Average Weather in August in Pers-Jussy France
Daily high temperatures decrease by 5°F, from 78°F to 73°F, rarely falling below 64°F or exceeding 87°F. The highest daily average high temperature is 78°F on August 5.
Daily low temperatures decrease by 4°F, from 57°F to 54°F, rarely falling below 46°F or exceeding 64°F. The highest daily average low temperature is 57°F on August 3.
For reference, on August 4, the hottest day of the year, temperatures in Pers-Jussy typically range from 57°F to 78°F, while on January 15, the coldest day of the year, they range from 27°F to 38°F.
Average High and Low Temperature in August
The figure below shows you a compact characterization of the hourly average temperatures for the quarter of the year centered on August. 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 August
The month of August in Pers-Jussy experiences gradually increasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy increasing from 33% to 38%.
The clearest day of the month is August 1, with clear, mostly clear, or partly cloudy conditions 67% of the time.
For reference, on December 31, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 58%, while on July 23, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 68%.
Cloud Cover Categories in August
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 Pers-Jussy, the chance of a wet day over the course of August is essentially constant, remaining around 29% throughout.
For reference, the year's highest daily chance of a wet day is 40% on May 25, and its lowest chance is 25% on March 3.
Probability of Precipitation in August
The average sliding 31-day rainfall during August in Pers-Jussy is gradually increasing, starting the month at 2.7 inches, when it rarely exceeds 4.6 inches or falls below 1.0 inches, and ending the month at 3.0 inches, when it rarely exceeds 5.2 inches or falls below 1.1 inches.
The lowest average 31-day accumulation is 2.7 inches on August 6.
Average Monthly Rainfall in August
Over the course of August in Pers-Jussy, the length of the day is rapidly decreasing. From the start to the end of the month, the length of the day decreases by 1 hour, 27 minutes, implying an average daily decrease of 2 minutes, 53 seconds, and weekly decrease of 20 minutes, 12 seconds.
The shortest day of the month is August 31, with 13 hours, 22 minutes of daylight and the longest day is August 1, with 14 hours, 48 minutes of daylight.
Hours of Daylight and Twilight in August
The earliest sunrise of the month in Pers-Jussy is 6:16 AM on August 1 and the latest sunrise is 37 minutes later at 6:53 AM on August 31.
The latest sunset is 9:04 PM on August 1 and the earliest sunset is 49 minutes earlier at 8:15 PM on August 31.
Daylight saving time is observed in Pers-Jussy during 2018, but it neither starts nor ends during August, so the entire month is in daylight saving time.
For reference, on June 21, the longest day of the year, the Sun rises at 5:43 AM and sets 15 hours, 46 minutes later, at 9:29 PM, while on December 21, the shortest day of the year, it rises at 8:14 AM and sets 8 hours, 38 minutes later, at 4:51 PM.
Sunrise & Sunset with Twilight in August
The chance that a given day will be muggy in Pers-Jussy is essentially constant during August, remaining around 0% throughout.
For reference, on July 25, the muggiest day of the year, there are muggy conditions 1% of the time, while on September 23, the least muggy day of the year, there are muggy conditions 0% of the time.
Humidity Comfort Levels in August
dry 55°F comfortable 60°F humid 65°F muggy 70°F oppressive 75°F miserable
The average hourly wind speed in Pers-Jussy is essentially constant during August, remaining within 0.1 miles per hour of 5.3 miles per hour throughout.
For reference, on April 3, the windiest day of the year, the daily average wind speed is 6.0 miles per hour, while on August 10, the calmest day of the year, the daily average wind speed is 5.2 miles per hour.
The lowest daily average wind speed during August is 5.2 miles per hour on August 10.
Average Wind Speed in August
Wind Direction in August
The growing season in Pers-Jussy typically lasts for 6.6 months (202 days), from around April 12 to around October 31, rarely starting before March 21 or after May 2, and rarely ending before October 10 or after November 20.
The month of August in Pers-Jussy is reliably fully within the growing season.
Time Spent in Various Temperature Bands and the Growing Season in August
The average accumulated growing degree days in Pers-Jussy are rapidly increasing during August, increasing by 481°F, from 1,283°F to 1,765°F, over the course of the month.
Growing Degree Days in August
The average daily incident shortwave solar energy in Pers-Jussy is decreasing during August, falling by 1.2 kWh, from 6.6 kWh to 5.4 kWh, over the course of the month.
Average Daily Incident Shortwave Solar Energy in August
For the purposes of this report, the geographical coordinates of Pers-Jussy are 46.106 deg latitude, 6.267 deg longitude, and 1,932 ft elevation.
The topography within 2 miles of Pers-Jussy contains very significant variations in elevation, with a maximum elevation change of 1,483 feet and an average elevation above sea level of 2,048 feet. Within 10 miles contains very significant variations in elevation (5,331 feet). Within 50 miles also contains extreme variations in elevation (15,085 feet).
The area within 2 miles of Pers-Jussy is covered by cropland (59%) and trees (31%), within 10 miles by trees (32%) and cropland (26%), and within 50 miles by trees (43%) and grassland (19%).
This report illustrates the typical weather in Pers-Jussy 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 4 weather stations near enough to contribute to our estimation of the temperature and dew point in Pers-Jussy.
For each station, the records are corrected for the elevation difference between that station and Pers-Jussy 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 Pers-Jussy is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Pers-Jussy and a given station.
The stations contributing to this reconstruction are: Aéroport Genève-Cointrin (46%, 19 kilometers, northwest); Annecy-Meythet (41%, 24 kilometers, southwest); Sion (7%, 82 kilometers, east); and Aosta Airport (6%, 94 kilometers, southeast).
Time zones for aiports and weather stations are provided by AskGeo.com .