Average Weather in August in Anthy-sur-Léman France
Daily high temperatures decrease by 5°F, from 79°F to 74°F, rarely falling below 65°F or exceeding 89°F. The highest daily average high temperature is 79°F on August 4.
Daily low temperatures decrease by 4°F, from 60°F to 56°F, rarely falling below 50°F or exceeding 66°F.
For reference, on August 4, the hottest day of the year, temperatures in Anthy-sur-Léman typically range from 60°F to 79°F, while on January 27, the coldest day of the year, they range from 31°F to 41°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
Carson, Washington, United States (5,347 miles away) and West Jefferson, North Carolina, United States (4,377 miles) are the far-away foreign places with temperatures most similar to Anthy-sur-Léman (view comparison).
The month of August in Anthy-sur-Léman experiences gradually increasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy increasing from 34% to 39%.
The clearest day of the month is August 3, with clear, mostly clear, or partly cloudy conditions 66% of the time.
For reference, on November 24, 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 67%.
Cloud Cover Categories in August
A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Anthy-sur-Léman, the chance of a wet day over the course of August is essentially constant, remaining around 31% throughout.
For reference, the year's highest daily chance of a wet day is 41% on May 25, and its lowest chance is 26% on March 3.
Probability of Precipitation in August
The average sliding 31-day rainfall during August in Anthy-sur-Léman is gradually increasing, starting the month at 2.9 inches, when it rarely exceeds 5.0 inches or falls below 1.3 inches, and ending the month at 3.2 inches, when it rarely exceeds 5.4 inches or falls below 1.3 inches.
The lowest average 31-day accumulation is 2.9 inches on August 5.
Average Monthly Rainfall in August
Over the course of August in Anthy-sur-Léman, 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, 55 seconds, and weekly decrease of 20 minutes, 23 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, 50 minutes of daylight.
Hours of Daylight and Twilight in August
The earliest sunrise of the month in Anthy-sur-Léman is 6:15 AM on August 1 and the latest sunrise is 38 minutes later at 6:52 AM on August 31.
The latest sunset is 9:05 PM on August 1 and the earliest sunset is 50 minutes earlier at 8:15 PM on August 31.
Daylight saving time is observed in Anthy-sur-Léman 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 5:41 AM and sets 15 hours, 48 minutes later, at 9:30 PM, while on December 21, the shortest day of the year, it rises at 8:14 AM and sets 8 hours, 36 minutes later, at 4:50 PM.
Sunrise & Sunset with Twilight in August
The chance that a given day will be muggy in Anthy-sur-Léman is essentially constant during August, remaining around 0% throughout.
For reference, on August 10, the muggiest day of the year, there are muggy conditions 0% of the time, while on October 7, the least muggy day of the year, there are muggy conditions 0% of the time.
Humidity Comfort Levels in August
The average hourly wind speed in Anthy-sur-Léman is essentially constant during August, remaining within 0.1 miles per hour of 5.6 miles per hour throughout.
For reference, on April 3, the windiest day of the year, the daily average wind speed is 6.7 miles per hour, while on August 10, the calmest day of the year, the daily average wind speed is 5.5 miles per hour.
The lowest daily average wind speed during August is 5.5 miles per hour on August 10.
Average Wind Speed in August
Wind Direction in August
The growing season in Anthy-sur-Léman typically lasts for 7.6 months (233 days), from around March 26 to around November 14, rarely starting before March 4 or after April 17, and rarely ending before October 22 or after December 6.
The month of August in Anthy-sur-Léman 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 Anthy-sur-Léman are rapidly increasing during August, increasing by 543°F, from 1,498°F to 2,041°F, over the course of the month.
Growing Degree Days in August
The average daily incident shortwave solar energy in Anthy-sur-Léman is decreasing during August, falling by 1.2 kWh, from 6.5 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 Anthy-sur-Léman are 46.355 deg latitude, 6.427 deg longitude, and 1,289 ft elevation.
The topography within 2 miles of Anthy-sur-Léman contains significant variations in elevation, with a maximum elevation change of 564 feet and an average elevation above sea level of 1,348 feet. Within 10 miles contains significant variations in elevation (4,948 feet). Within 50 miles also contains extreme variations in elevation (15,052 feet).
The area within 2 miles of Anthy-sur-Léman is covered by water (44%), artificial surfaces (25%), and cropland (16%), within 10 miles by water (35%) and trees (25%), and within 50 miles by trees (40%) and grassland (21%).
This report illustrates the typical weather in Anthy-sur-Léman 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 Anthy-sur-Léman.
For each station, the records are corrected for the elevation difference between that station and Anthy-sur-Léman 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 Anthy-sur-Léman is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Anthy-sur-Léman and a given station.
The stations contributing to this reconstruction are: Aéroport Genève-Cointrin (63%, 28 kilometers, southwest); Sion (16%, 70 kilometers, east); Neuchatel (12%, 82 kilometers, northeast); and Besançon – La Vèze Aerodrome (9%, 105 kilometers, north).
Time zones for aiports and weather stations are provided by AskGeo.com .