Average Weather in June in Chambersburg Pennsylvania, United States
Daily high temperatures increase by 6°F, from 77°F to 84°F, rarely falling below 67°F or exceeding 92°F.
Daily low temperatures increase by 7°F, from 59°F to 65°F, rarely falling below 49°F or exceeding 72°F.
For reference, on July 21, the hottest day of the year, temperatures in Chambersburg typically range from 67°F to 86°F, while on January 29, the coldest day of the year, they range from 24°F to 38°F.
Average High and Low Temperature in June
The figure below shows you a compact characterization of the hourly average temperatures for the quarter of the year centered on June. 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.
Average Hourly Temperature in June
The month of June in Chambersburg experiences gradually decreasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy decreasing from 49% to 43%.
The clearest day of the month is June 29, with clear, mostly clear, or partly cloudy conditions 57% of the time.
For reference, on January 12, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 56%, while on September 3, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 65%.
Cloud Cover Categories in June
0% clear 20% mostly clear 40% partly cloudy 60% mostly cloudy 80% overcast 100%
A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Chambersburg, the chance of a wet day over the course of June is essentially constant, remaining around 37% throughout.
For reference, the year's highest daily chance of a wet day is 39% on May 29, and its lowest chance is 20% on January 28.
Probability of Precipitation in June
The average sliding 31-day rainfall during June in Chambersburg is gradually decreasing, starting the month at 3.4 inches, when it rarely exceeds 5.5 inches or falls below 1.7 inches, and ending the month at 3.1 inches, when it rarely exceeds 5.4 inches or falls below 1.4 inches.
Average Monthly Rainfall in June
Over the course of June in Chambersburg, the length of the day is essentially constant. The shortest day of the month is June 1, with 14 hours, 49 minutes of daylight and the longest day is June 21, with 15 hours, 1 minute of daylight.
Hours of Daylight and Twilight in June
The earliest sunrise of the month in Chambersburg is 5:41 AM on June 14 and the latest sunrise is 4 minutes later at 5:45 AM on June 30.
The earliest sunset is 8:33 PM on June 1 and the latest sunset is 10 minutes later at 8:43 PM on June 27.
Daylight saving time is observed in Chambersburg during 2018, but it neither starts nor ends during June, so the entire month is in daylight saving time.
For reference, on June 21, the longest day of the year, the Sun rises at 5:42 AM and sets 15 hours, 1 minute later, at 8:42 PM, while on December 21, the shortest day of the year, it rises at 7:28 AM and sets 9 hours, 20 minutes later, at 4:48 PM.
Sunrise & Sunset with Twilight in June
The chance that a given day will be muggy in Chambersburg is very rapidly increasing during June, rising from 13% to 35% over the course of the month.
For reference, on July 28, the muggiest day of the year, there are muggy conditions 48% of the time, while on November 25, the least muggy day of the year, there are muggy conditions 0% of the time.
Humidity Comfort Levels in June
dry 55°F comfortable 60°F humid 65°F muggy 70°F oppressive 75°F miserable
The average hourly wind speed in Chambersburg is essentially constant during June, remaining within 0.2 miles per hour of 4.8 miles per hour throughout.
For reference, on February 26, the windiest day of the year, the daily average wind speed is 7.6 miles per hour, while on August 1, the calmest day of the year, the daily average wind speed is 4.2 miles per hour.
Average Wind Speed in June
Wind Direction in June
The growing season in Chambersburg typically lasts for 6.8 months (208 days), from around April 8 to around November 2, rarely starting before March 24 or after April 24, and rarely ending before October 15 or after November 19.
The month of June in Chambersburg is reliably fully within the growing season.
Time Spent in Various Temperature Bands and the Growing Season in June
The average accumulated growing degree days in Chambersburg are rapidly increasing during June, increasing by 617°F, from 690°F to 1,308°F, over the course of the month.
Growing Degree Days in June
The average daily incident shortwave solar energy in Chambersburg is essentially constant during June, remaining within 0.2 kWh of 6.8 kWh throughout.
The highest average daily incident shortwave solar energy during June is 6.9 kWh on June 23.
Average Daily Incident Shortwave Solar Energy in June
For the purposes of this report, the geographical coordinates of Chambersburg are 39.938 deg latitude, -77.661 deg longitude, and 669 ft elevation.
The topography within 2 miles of Chambersburg contains only modest variations in elevation, with a maximum elevation change of 197 feet and an average elevation above sea level of 650 feet. Within 10 miles contains only modest variations in elevation (1,857 feet). Within 50 miles contains very significant variations in elevation (2,598 feet).
The area within 2 miles of Chambersburg is covered by cropland (49%) and artificial surfaces (49%), within 10 miles by cropland (71%) and trees (25%), and within 50 miles by trees (53%) and cropland (42%).
This report illustrates the typical weather in Chambersburg year round, based on a statistical analysis of historical hourly weather reports and model reconstructions from January 1, 1980 to December 31, 2016.
Temperature and Dew Point
There are 3 weather stations near enough to contribute to our estimation of the temperature and dew point in Chambersburg.
For each station, the records are corrected for the elevation difference between that station and Chambersburg according to the International Standard Atmosphere , and by the relative change present in the MERRA-2 satellite-era reanalysis between the two locations.
The estimated value at Chambersburg is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Chambersburg and a given station.
The stations contributing to this reconstruction are: Hagerstown Regional Airport (50%, 26 kilometers, south); Site R (39%, 30 kilometers, southeast); and Altoona-Blair County Airport (11%, 69 kilometers, northwest).
Time zones for aiports and weather stations are provided by AskGeo.com .