Average Weather in August in Attalens Switzerland
Daily high temperatures decrease by 5°F, from 75°F to 70°F, rarely falling below 61°F or exceeding 85°F. The highest daily average high temperature is 75°F on August 4.
Daily low temperatures decrease by 4°F, from 57°F to 53°F, rarely falling below 46°F or exceeding 62°F.
For reference, on August 4, the hottest day of the year, temperatures in Attalens typically range from 56°F to 75°F, while on January 19, the coldest day of the year, they range from 26°F to 36°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 Attalens experiences gradually increasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy increasing from 37% to 42%.
The clearest day of the month is August 3, with clear, mostly clear, or partly cloudy conditions 63% of the time.
For reference, on May 8, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 60%, while on July 23, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 64%.
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 Attalens, the chance of a wet day over the course of August is essentially constant, remaining around 33% throughout.
For reference, the year's highest daily chance of a wet day is 43% on May 27, and its lowest chance is 27% on March 3.
Probability of Precipitation in August
The average sliding 31-day rainfall during August in Attalens is essentially constant, remaining about 3.4 inches throughout, and rarely exceeding 5.7 inches or falling below 1.6 inches.
The lowest average 31-day accumulation is 3.4 inches on August 5.
Average Monthly Rainfall in August
Over the course of August in Attalens, 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, 28 minutes, implying an average daily decrease of 2 minutes, 56 seconds, and weekly decrease of 20 minutes, 29 seconds.
The shortest day of the month is August 31, with 13 hours, 23 minutes of daylight and the longest day is August 1, with 14 hours, 51 minutes of daylight.
Hours of Daylight and Twilight in August
The earliest sunrise of the month in Attalens is 6:13 AM on August 1 and the latest sunrise is 38 minutes later at 6:51 AM on August 31.
The latest sunset is 9:03 PM on August 1 and the earliest sunset is 50 minutes earlier at 8:13 PM on August 31.
Daylight saving time is observed in Attalens 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 5:39 AM and sets 15 hours, 50 minutes later, at 9:29 PM, while on December 21, the shortest day of the year, it rises at 8:13 AM and sets 8 hours, 34 minutes later, at 4:47 PM.
Sunrise & Sunset with Twilight in August
The chance that a given day will be muggy in Attalens is essentially constant during August, remaining around 0% throughout.
For reference, on July 21, 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 Attalens is essentially constant during August, remaining within 0.1 miles per hour of 5.2 miles per hour throughout.
For reference, on April 3, the windiest day of the year, the daily average wind speed is 6.2 miles per hour, while on August 10, the calmest day of the year, the daily average wind speed is 5.1 miles per hour.
The lowest daily average wind speed during August is 5.1 miles per hour on August 10.
Average Wind Speed in August
Wind Direction in August
The growing season in Attalens typically lasts for 6.6 months (202 days), from around April 11 to around October 30, rarely starting before March 22 or after May 3, and rarely ending before October 9 or after November 23.
The month of August in Attalens 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 Attalens are increasing during August, increasing by 425°F, from 1,115°F to 1,540°F, over the course of the month.
Growing Degree Days in August
The average daily incident shortwave solar energy in Attalens is decreasing during August, falling by 1.1 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 Attalens are 46.506 deg latitude, 6.850 deg longitude, and 2,418 ft elevation.
The topography within 2 miles of Attalens contains large variations in elevation, with a maximum elevation change of 2,100 feet and an average elevation above sea level of 2,574 feet. Within 10 miles contains large variations in elevation (5,404 feet). Within 50 miles also contains extreme variations in elevation (14,603 feet).
The area within 2 miles of Attalens is covered by cropland (62%) and trees (31%), within 10 miles by cropland (31%) and trees (29%), and within 50 miles by trees (34%) and cropland (21%).
This report illustrates the typical weather in Attalens 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 Attalens.
For each station, the records are corrected for the elevation difference between that station and Attalens 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 Attalens is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Attalens and a given station.
The stations contributing to this reconstruction are: Sion (31%, 48 kilometers, southeast); Neuchatel (27%, 56 kilometers, north); Aéroport Genève-Cointrin (21%, 64 kilometers, southwest); and Bern-Belp Airport (21%, 67 kilometers, northeast).
Time zones for aiports and weather stations are provided by AskGeo.com .