Average Weather in May in Echallens Switzerland
Daily high temperatures increase by 7°F, from 60°F to 67°F, rarely falling below 49°F or exceeding 78°F.
Daily low temperatures increase by 6°F, from 44°F to 50°F, rarely falling below 37°F or exceeding 57°F.
For reference, on August 4, the hottest day of the year, temperatures in Echallens typically range from 58°F to 75°F, while on January 15, the coldest day of the year, they range from 28°F to 36°F.
Average High and Low Temperature in May
The figure below shows you a compact characterization of the hourly average temperatures for the quarter of the year centered on May. 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 May
The month of May in Echallens experiences essentially constant cloud cover, with the percentage of time that the sky is overcast or mostly cloudy remaining about 57% throughout the month. The highest chance of overcast or mostly cloudy conditions is 59% on May 8.
The clearest day of the month is May 31, with clear, mostly clear, or partly cloudy conditions 45% of the time.
For reference, on November 24, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 60%, while on July 21, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 65%.
Cloud Cover Categories in May
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 Echallens, the chance of a wet day over the course of May is rapidly increasing, starting the month at 36% and ending it at 43%.
For reference, the year's highest daily chance of a wet day is 44% on May 26, and its lowest chance is 28% on March 3.
Probability of Precipitation in May
The average sliding 31-day rainfall during May in Echallens is increasing, starting the month at 3.2 inches, when it rarely exceeds 5.4 inches or falls below 1.3 inches, and ending the month at 3.9 inches, when it rarely exceeds 5.9 inches or falls below 1.9 inches.
The highest average 31-day accumulation is 3.9 inches on May 31.
Average Monthly Rainfall in May
Over the course of May in Echallens, the length of the day is rapidly increasing. From the start to the end of the month, the length of the day increases by 1 hour, 10 minutes, implying an average daily increase of 2 minutes, 20 seconds, and weekly increase of 16 minutes, 22 seconds.
The shortest day of the month is May 1, with 14 hours, 24 minutes of daylight and the longest day is May 31, with 15 hours, 34 minutes of daylight.
Hours of Daylight and Twilight in May
The latest sunrise of the month in Echallens is 6:19 AM on May 1 and the earliest sunrise is 35 minutes earlier at 5:44 AM on May 31.
The earliest sunset is 8:42 PM on May 1 and the latest sunset is 35 minutes later at 9:18 PM on May 31.
Daylight saving time is observed in Echallens during 2018, but it neither starts nor ends during May, 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, 51 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, 33 minutes later, at 4:48 PM.
Sunrise & Sunset with Twilight in May
The chance that a given day will be muggy in Echallens is essentially constant during May, remaining around 0% throughout.
For reference, on July 25, the muggiest day of the year, there are muggy conditions 0% of the time, while on October 2, the least muggy day of the year, there are muggy conditions 0% of the time.
Humidity Comfort Levels in May
dry 55°F comfortable 60°F humid 65°F muggy 70°F oppressive 75°F miserable
The average hourly wind speed in Echallens is essentially constant during May, remaining within 0.1 miles per hour of 6.4 miles per hour throughout.
For reference, on March 14, the windiest day of the year, the daily average wind speed is 7.4 miles per hour, while on August 10, the calmest day of the year, the daily average wind speed is 5.8 miles per hour.
The lowest daily average wind speed during May is 6.3 miles per hour on May 27.
Average Wind Speed in May
Wind Direction in May
The growing season in Echallens typically lasts for 7.0 months (216 days), from around April 3 to around November 5, rarely starting before March 13 or after April 22, and rarely ending before October 16 or after November 30.
The month of May in Echallens is reliably fully within the growing season.
Time Spent in Various Temperature Bands and the Growing Season in May
The average accumulated growing degree days in Echallens are increasing during May, increasing by 201°F, from 113°F to 315°F, over the course of the month.
Growing Degree Days in May
The average daily incident shortwave solar energy in Echallens is gradually increasing during May, rising by 0.9 kWh, from 5.5 kWh to 6.3 kWh, over the course of the month.
Average Daily Incident Shortwave Solar Energy in May
For the purposes of this report, the geographical coordinates of Echallens are 46.641 deg latitude, 6.633 deg longitude, and 2,093 ft elevation.
The topography within 2 miles of Echallens contains significant variations in elevation, with a maximum elevation change of 558 feet and an average elevation above sea level of 2,083 feet. Within 10 miles contains significant variations in elevation (2,244 feet). Within 50 miles contains large variations in elevation (11,729 feet).
The area within 2 miles of Echallens is covered by cropland (81%) and artificial surfaces (11%), within 10 miles by cropland (63%) and trees (22%), and within 50 miles by trees (39%) and cropland (24%).
This report illustrates the typical weather in Echallens 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 Echallens.
For each station, the records are corrected for the elevation difference between that station and Echallens 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 Echallens is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Echallens and a given station.
The stations contributing to this reconstruction are: Neuchatel (45%, 47 kilometers, northeast); Aéroport Genève-Cointrin (30%, 60 kilometers, southwest); and Sion (25%, 71 kilometers, southeast).
Time zones for aiports and weather stations are provided by AskGeo.com .