Average Weather in August in Marnaz France
Daily high temperatures decrease by 4°F, from 77°F to 72°F, rarely falling below 64°F or exceeding 86°F. The highest daily average high temperature is 77°F on August 4.
Daily low temperatures decrease by 4°F, from 57°F to 53°F, rarely falling below 47°F or exceeding 63°F.
For reference, on August 4, the hottest day of the year, temperatures in Marnaz typically range from 57°F to 77°F, while on January 15, the coldest day of the year, they range from 26°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 Marnaz experiences gradually increasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy increasing from 35% to 41%.
The clearest day of the month is August 1, with clear, mostly clear, or partly cloudy conditions 65% of the time.
For reference, on May 8, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 59%, while on July 23, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 66%.
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 Marnaz, the chance of a wet day over the course of August is gradually decreasing, starting the month at 32% and ending it at 30%.
For reference, the year's highest daily chance of a wet day is 40% on May 25, and its lowest chance is 24% on March 3.
Probability of Precipitation in August
The average sliding 31-day rainfall during August in Marnaz is essentially constant, remaining about 2.9 inches throughout, and rarely exceeding 4.8 inches or falling below 1.1 inches.
The lowest average 31-day accumulation is 2.8 inches on August 13.
Average Monthly Rainfall in August
Over the course of August in Marnaz, 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, 26 minutes, implying an average daily decrease of 2 minutes, 53 seconds, and weekly decrease of 20 minutes, 9 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 Marnaz is 6:15 AM on August 1 and the latest sunrise is 37 minutes later at 6:53 AM on August 31.
The latest sunset is 9:03 PM on August 1 and the earliest sunset is 49 minutes earlier at 8:14 PM on August 31.
Daylight saving time is observed in Marnaz 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 5:42 AM and sets 15 hours, 46 minutes later, at 9:28 PM, while on December 21, the shortest day of the year, it rises at 8:13 AM and sets 8 hours, 38 minutes later, at 4:50 PM.
Sunrise & Sunset with Twilight in August
The chance that a given day will be muggy in Marnaz is essentially constant during August, remaining around 0% throughout.
For reference, on July 6, the muggiest day of the year, there are muggy conditions 0% of the time, while on January 1, 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 Marnaz is essentially constant during August, remaining within 0.1 miles per hour of 4.5 miles per hour throughout.
For reference, on February 22, the windiest day of the year, the daily average wind speed is 5.0 miles per hour, while on August 10, the calmest day of the year, the daily average wind speed is 4.4 miles per hour.
The lowest daily average wind speed during August is 4.4 miles per hour on August 10.
Average Wind Speed in August
Wind Direction in August
The growing season in Marnaz typically lasts for 6.7 months (204 days), from around April 10 to around November 1, rarely starting before March 23 or after April 30, and rarely ending before October 12 or after November 22.
The month of August in Marnaz 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 Marnaz are rapidly increasing during August, increasing by 467°F, from 1,238°F to 1,705°F, over the course of the month.
Growing Degree Days in August
The average daily incident shortwave solar energy in Marnaz is decreasing during August, falling by 1.2 kWh, from 6.6 kWh to 5.5 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 Marnaz are 46.062 deg latitude, 6.527 deg longitude, and 2,175 ft elevation.
The topography within 2 miles of Marnaz contains large variations in elevation, with a maximum elevation change of 2,943 feet and an average elevation above sea level of 2,120 feet. Within 10 miles contains large variations in elevation (7,572 feet). Within 50 miles also contains extreme variations in elevation (15,003 feet).
The area within 2 miles of Marnaz is covered by artificial surfaces (39%), trees (33%), and cropland (23%), within 10 miles by trees (47%) and grassland (25%), and within 50 miles by trees (40%) and grassland (20%).
This report illustrates the typical weather in Marnaz 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 5 weather stations near enough to contribute to our estimation of the temperature and dew point in Marnaz.
For each station, the records are corrected for the elevation difference between that station and Marnaz 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 Marnaz is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Marnaz and a given station.
The stations contributing to this reconstruction are: Annecy-Meythet (33%, 36 kilometers, southwest); Aéroport Genève-Cointrin (30%, 38 kilometers, northwest); Sion (16%, 64 kilometers, east); Aosta Airport (14%, 74 kilometers, southeast); and Neuchatel (8%, 109 kilometers, north).
Time zones for aiports and weather stations are provided by AskGeo.com .