In Philadelphia, the chance of a wet day over the course of May is increasing, starting the month at 29% and ending it at 35%. Average Weather during May in Philadelphia (Pennsylvania), United States of America. All other weather data, including cloud cover, precipitation, wind speed and direction, and solar flux, come from NASA's MERRA-2 Modern-Era Retrospective Analysis . Monthly averages Gettysburg Longitude: -77.2311, Latitude: 39.8309 Average weather Gettysburg, PA - 17326. This reanalysis combines a variety of wide-area measurements in a state-of-the-art global meteorological model to reconstruct the hourly history of weather throughout the world on a 50-kilometer grid. The month of May in Philadelphia is reliably fully within the growing season. For reference, on July 20, the hottest day of the year, temperatures in Philadelphia typically range from 70°F to 87°F, while on January 30, the coldest day of the year, they range from 26°F to 40°F. The figure below shows you a compact characterization of the hourly average temperatures for the quarter of the year centered on May. In July, the warmest month, the average day time temperature rises to 85.5°F. In northeastern Montana, the average May temperature at Glasgow was 62.7 F (17.1 C), 7.6 F (4.2 C) … Scranton, PA daily average and extreme temperature range for May. The average sliding 31-day rainfall during May in Philadelphia is essentially constant, remaining about 3.4 inches throughout, and rarely exceeding 6.0 inches or falling below 1.6 inches. Average Weather in May in Erie Pennsylvania, United States. Average temperatures for May at cities, towns, parks and lakes throughout Pennsylvania are listed below in degrees Fahrenheit and Celsius. A climate chart for your city, indicating the monthly high temperatures and rainfall. The daily average high (red line) and low (blue line) temperature, with 25th to 75th and 10th to 90th percentile bands. The average minimum temperature (usually the minimum temperature is noted during the night) in Philadelphia in May is 10.3°C (50.54°F). The month of May in Philadelphia experiences essentially constant cloud cover, with the percentage of time that the sky is overcast or mostly cloudy remaining about 49% throughout the month. The Köppen-Geiger climate classification is Dfb. Straddling two major climate zones, the southeastern corner of Pennsylvania has the warmest climate. The lowest monthly average temperature in Lititz for January is 31 degrees; The most monthly precipitation in Lititz occurs in June with 5.4 inches; The air quality index in Lititz is 10% better than the national average; The pollution index in Lititz is 119% worse than the national average The average daily shortwave solar energy reaching the ground per square meter (orange line), with 25th to 75th and 10th to 90th percentile bands. Philadelphia Weather by month // weather averages We base the humidity comfort level on the dew point, as it determines whether perspiration will evaporate from the skin, thereby cooling the body. The average minimum temperature (usually the minimum temperature is noted during the night) in Lancaster in May is 11.0°C (51.8°F). The black line is the percentage chance that a given day is within the growing season. We draw particular cautious attention to our reliance on the MERRA-2 model-based reconstructions for a number of important data series. See Historical Weather Data for a Location and Date. The average surface water temperature in Philadelphia is rapidly increasing during May, rising by 9°F, from 52°F to 61°F, over the course of the month. Figure 1: Observed and projected changes (compared to the 1901–1960 average) in near-surface air temperature for Pennsylvania.Observed data are for 1900–2014. The wind experienced at any given location is highly dependent on local topography and other factors, and instantaneous wind speed and direction vary more widely than hourly averages. Tbilisi, Georgia (5,665 miles away) is the far-away foreign place with temperatures most similar to Philadelphia (view comparison). The topography within 2 miles of Philadelphia contains only modest variations in elevation, with a maximum elevation change of 105 feet and an average elevation above sea level of 37 feet. For reference, on January 3, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 54%, while on September 22, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 64%. The thin dotted line is the corresponding average liquid-equivalent snowfall. Home | Privacy & Cookies | Contact | About. The amount of rain in May is high with an average of 96mm (3.8in). With a perfect weather, may is … The monthly daily average temperature in January, the coldest month, is 25.8 °F (−3.4 °C), while the same figure in … Nesquehoning, Pennsylvania - Travel and vacation weather averages, current conditions and forecasts. For reference, on February 26, the windiest day of the year, the daily average wind speed is 9.2 miles per hour, while on August 12, the calmest day of the year, the daily average wind speed is 5.5 miles per hour. All data relating to the Sun's position (e.g., sunrise and sunset) are computed using astronomical formulas from the book, Astronomical Algorithms 2nd Edition , by Jean Meeus. The hottest day on record was May 31, 2006 when the temperature hit 93.0°F. Climate. Climate is the average of weather over time. To show variation within the month and not just the monthly total, we show the rainfall accumulated over a sliding 31-day period centered around each day. This ranked in the warmest third of the 125-year record and was the coldest year since 2014. The vertical gray bars (new Moons) and blue bars (full Moons) indicate key Moon phases. The average of mean hourly wind speeds (dark gray line), with 25th to 75th and 10th to 90th percentile bands. The percentage of days in which various types of precipitation are observed, excluding trace quantities: rain alone, snow alone, and mixed (both rain and snow fell in the same day). The wettest month is July with an average of 114mm of rain. It is the lowest average temperature of the whole year. The average growing degree days accumulated over the course of May, with 25th to 75th and 10th to 90th percentile bands. The clearest day of the month is May 1, with clear, mostly clear, or partly cloudy conditions 53% of the time. Relative humidity measures the actual amount of moisture in the air as a percentage of the maximum amount of moisture the air can hold. Based on weather reports collected during 1985–2015. The estimated value at Philadelphia is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Philadelphia and a given station. Philadelphia average temperature. Definitions of the growing season vary throughout the world, but for the purposes of this report, we define it as the longest continuous period of non-freezing temperatures (≥ 32°F) in the year (the calendar year in the Northern Hemisphere, or from July 1 until June 30 in the Southern Hemisphere). The latest sunrise of the month in Philadelphia is 6:00 AM on May 1 and the earliest sunrise is 26 minutes earlier at 5:34 AM on May 31. July is the hottest month in Philadelphia with an average temperature of 26°C (79°F) and the coldest is January at 2°C (36°F) with the most daily sunshine hours at 10 in July. The shortest day of the month is May 1, with 13 hours, 56 minutes of daylight and the longest day is May 31, with 14 hours, 49 minutes of daylight. Average temperature is the most popular factor that people take into consideration when looking for the best city to live in. Average Rainfall for Philadelphia The temperature in July averages 24.9 °C | 76.8 °F. A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. StateCollege.com Address: 220 Regent Court, Suite B, State College, PA 16801 Email: [email protected] Phone: (814) 238-3500 Summers have occasional heat waves bringing temperatures well above 90 °F (32 °C), while winters can have cold snaps bringing temperatures below 0 °F (−18 °C). The average humidity in May is listed below for places in Pennsylvania. Based on weather reports collected during 1985–2015. The shaded overlays indicate night and civil twilight. In Scranton, PA during May the average high temperature is 72.0°F. This month generally has very pleasant temperatures. Average temperatures for May at cities, towns, parks and lakes throughout Pennsylvania are listed below in degrees Fahrenheit and Celsius. For reference, the year's highest daily chance of a wet day is 37% on July 28, and its lowest chance is 22% on January 28. Daylight saving time is observed in Philadelphia during 2020, but it neither starts nor ends during May, so the entire month is in daylight saving time. The hourly average wind direction in Philadelphia throughout May is predominantly from the west, with a peak proportion of 33% on May 1. The average rainfall (solid line) accumulated over the course of a sliding 31-day period centered on the day in question, with 25th to 75th and 10th to 90th percentile bands. The climate pleasant around this city in the month of may. The percentage of time spent in various temperature bands. There are 4 weather stations near enough to contribute to our estimation of the temperature and dew point in Philadelphia. The tables give daily averages along with highest and lowest relative humidity levels. The number of hours during which the Sun is visible (black line). Averages are for Philadelphia International Airport, which is 7 miles from Philadelphia. The shaded overlays indicate night and civil twilight. The percentage of time spent in each cloud cover band, categorized by the percentage of the sky covered by clouds. North East climate summary The North East lies on 246m above sea level Generally, it is cold and temperate in North East. Land Use data comes from the Global Land Cover SHARE database , published by the Food and Agriculture Organization of the United Nations. From bottom to top, the black lines are the previous solar midnight, sunrise, solar noon, sunset, and the next solar midnight. National Climatic Data Center. Copyright © 2020 Current Results Publishing Ltd. Precipitation Averages for Pennsylvania in May. The earliest sunset is 7:55 PM on May 1 and the latest sunset is 27 minutes later at 8:22 PM on May 31. The climate of Pennsylvania is diverse due to the multitude of geographic features found within the state. The growing season in Philadelphia typically lasts for 7.2 months (222 days), from around April 1 to around November 9, rarely starting before March 15 or after April 17, and rarely ending before October 23 or after November 25. The tables give the normals for maximum and minimum temperatures based on weather data collected from 1981 to 2010 by the US National Climatic Data Center. Select a destination to see more weather parameters. Pennsylvania weather in May 2021. Time zones for airports and weather stations are provided by AskGeo.com . Over the course of May in Philadelphia, the length of the day is increasing. From bottom (most yellow) to top (most gray), the color bands indicate: full daylight, twilight (civil, nautical, and astronomical), and full night. The is a great deal of rainfall in North East, even in the driest month. MERRA-2 Modern-Era Retrospective Analysis. The horizontal axis is the day, the vertical axis is the hour of the day, and the color is the average temperature for that hour and day. The average accumulated growing degree days in Philadelphia are increasing during May, increasing by 420°F, from 294°F to 714°F, over the course of the month. Harrisburg's coldest month is January when the average temperature overnight is 23.1°F. Unlike temperature, which typically varies significantly between night and day, dew point tends to change more slowly, so while the temperature may drop at night, a muggy day is typically followed by a muggy night. The information on this site is provided as is, without any assurances as to its accuracy or suitability for any purpose. Pennsylvania averages 3.7 days annually when the nighttime low temperature falls below freezing, which is about average compared to other states in the U.S. July is the wettest month in Pennsylvania with 4.3 inches of rain, and the driest month is February with 2.6 inches. The horizontal axis is the day, the vertical axis is the hour of the day, and the colored areas indicate when the moon is above the horizon. Philadelphia is located near a large body of water (e.g., ocean, sea, or large lake). Get the monthly weather forecast for Pittsburgh, PA, including daily high/low, historical averages, to help you plan ahead. Use this monthly calendar to view weather averages, such as average temperature 14 days ahead of today, as well as the historical weather patterns over the past year. For the purposes of this report, the geographical coordinates of Philadelphia are 39.952 deg latitude, -75.164 deg longitude, and 39 ft elevation. You can jump to a separate table for Eastern and Western Pennsylvania.. January February March April May June July August September October November December; Average Monthly high in °F: 35° 38° 48° 62° 72° 80° 84° 83° 75° 63° 51° The tables give the normals for maximum and minimum temperatures based on weather data collected from 1981 to 2010 by the US National Climatic Data Center. In may, maximum temperature is 76°F and minimum temperature is 67°F (for an average temperature of 72°F). The figure below presents a compact representation of key lunar data for May 2020. The highest monthly average temperature in Lebanon for July is 75 degrees; The lowest monthly average temperature in Lebanon for January is 30 degrees; The most monthly precipitation in Lebanon occurs in September with 10.8 inches; The air quality index in Lebanon is 16% better than the national average This section reports on the wide-area average surface temperature of that water. support@__remove_this_part__weatherspark.com. Climate in Pennsylvania. In Johnstown, there are 5 comfortable months with high temperatures in the range of 70-85°. January Record Date Location County ; Maximum Temperature: 85 °F : January 22, 1906 : Freeport : Armstrong : Minimum Temperature -42 °F : January 5, 1904 The thin dotted lines are the corresponding average perceived temperatures. Get the latest coronavirus (COVID-19) updates for the USA with current travel advice, statistics and online resources.. Below are average maximum temperatures at popular destinations in Pennsylvania in May. The lowest average 31-day accumulation is 3.3 inches on May 6. Pennsylvania generally has a humid continental climate characterized by wide fluctuations in seasonal temperatures, with prevailing winds from the west. We further caution that our travel scores are only as good as the data that underpin them, that weather conditions at any given location and time are unpredictable and variable, and that the definition of the scores reflects a particular set of preferences that may not agree with those of any particular reader. The chance that a given day will be muggy in Philadelphia is rapidly increasing during May, rising from 1% to 17% over the course of the month. The day, twilights (civil, nautical, and astronomical), and night are indicated by the color bands from yellow to gray. Average Weather during May in Lancaster (Pennsylvania), United States of America. For reference, on June 20, the longest day of the year, the Sun rises at 5:32 AM and sets 15 hours, 1 minute later, at 8:32 PM, while on December 21, the shortest day of the year, it rises at 7:19 AM and sets 9 hours, 20 minutes later, at 4:39 PM. This month generally has very pleasant temperatures. Averages are for Lehigh Valley International Airport, which is 4 miles from Allentown. Shortwave radiation includes visible light and ultraviolet radiation. The average annual temperature in North East is 8.8 °C | … Daily low temperatures increase by 10°F, from 50°F to 60°F, rarely falling below 42°F or exceeding 68°F. The area within 2 miles of Philadelphia is covered by artificial surfaces (92%), within 10 miles by artificial surfaces (90%), and within 50 miles by trees (41%) and artificial surfaces (27%). July is the warmest month of the year. Philadelphia's coldest month is January when the average temperature overnight is 25.5°F. This section discusses the wide-area hourly average wind vector (speed and direction) at 10 meters above the ground. Daily high temperatures increase by 8°F, from 70°F to 78°F, rarely falling below 58°F or exceeding 88°F. The growing season varies from nearly 200 days in the southeast to only 90 days in the north-central part of the state. In January, the average temperature is -0.2 °C | 31.6 °F. Annual Weather Averages Near Philadelphia. From the start to the end of the month, the length of the day increases by 53 minutes, implying an average daily increase of 1 minute, 46 seconds, and weekly increase of 12 minutes, 23 seconds. The percentage of hours in which the mean wind direction is from each of the four cardinal wind directions, excluding hours in which the mean wind speed is less than. The solar day over the course of May. You can jump to a separate table for Eastern and Western Pennsylvania. Average Weather in May in Philadelphia Pennsylvania, United States. Names, locations, and time zones of places and some airports come from the GeoNames Geographical Database . Growing degree days are a measure of yearly heat accumulation used to predict plant and animal development, and defined as the integral of warmth above a base temperature, discarding any excess above a maximum temperature. Within 50 miles contains only modest variations in elevation (1,250 feet). Based on preliminary analysis, the average annual temperature for the contiguous U.S. was 52.7°F, 0.7°F above the 20 th century average. CityRating.com offers the average Philadelphia temperature chart that displays the annual and monthly temperatures for Philadelphia and dozens of other cities. In this report, we use a base of 50°F and a cap of 86°F. Annual Weather Averages Near Allentown. In July, the warmest month, the average day time temperature rises to 85.7°F. Weather data is prone to errors, outages, and other defects. 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