Average Weather in April in Cortaillod Switzerland
Daily high temperatures increase by 7°F, from 53°F to 61°F, rarely falling below 43°F or exceeding 72°F.
Daily low temperatures increase by 6°F, from 41°F to 47°F, rarely falling below 34°F or exceeding 53°F.
For reference, on July 27, the hottest day of the year, temperatures in Cortaillod typically range from 61°F to 77°F, while on January 15, the coldest day of the year, they range from 32°F to 38°F.
Average High and Low Temperature in April
The figure below shows you a compact characterization of the hourly average temperatures for the quarter of the year centered on April. 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 April
The month of April in Cortaillod experiences essentially constant cloud cover, with the percentage of time that the sky is overcast or mostly cloudy remaining about 58% throughout the month.
The clearest day of the month is April 12, with clear, mostly clear, or partly cloudy conditions 43% of the time.
For reference, on December 27, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 64%, 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 April
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 Cortaillod, the chance of a wet day over the course of April is gradually increasing, starting the month at 33% and ending it at 36%.
For reference, the year's highest daily chance of a wet day is 45% on May 27, and its lowest chance is 27% on March 3.
Probability of Precipitation in April
The average sliding 31-day rainfall during April in Cortaillod is gradually increasing, starting the month at 2.7 inches, when it rarely exceeds 4.9 inches or falls below 0.9 inches, and ending the month at 3.1 inches, when it rarely exceeds 5.4 inches or falls below 1.3 inches.
Average Monthly Rainfall in April
Over the course of April in Cortaillod, 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, 33 minutes, implying an average daily increase of 3 minutes, 12 seconds, and weekly increase of 22 minutes, 24 seconds.
The shortest day of the month is April 1, with 12 hours, 49 minutes of daylight and the longest day is April 30, with 14 hours, 22 minutes of daylight.
Hours of Daylight and Twilight in April
The latest sunrise of the month in Cortaillod is 7:12 AM on April 1 and the earliest sunrise is 53 minutes earlier at 6:19 AM on April 30.
The earliest sunset is 8:01 PM on April 1 and the latest sunset is 40 minutes later at 8:41 PM on April 30.
Daylight saving time is observed in Cortaillod during 2018, but it neither starts nor ends during April, so the entire month is in daylight saving time.
For reference, on June 21, the longest day of the year, the Sun rises at 5:37 AM and sets 15 hours, 53 minutes later, at 9:31 PM, while on December 21, the shortest day of the year, it rises at 8:15 AM and sets 8 hours, 31 minutes later, at 4:46 PM.
Sunrise & Sunset with Twilight and Daylight Saving Time in April
The chance that a given day will be muggy in Cortaillod is essentially constant during April, remaining around 0% throughout.
For reference, on July 29, the muggiest day of the year, there are muggy conditions 1% 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 April
dry 55°F comfortable 60°F humid 65°F muggy 70°F oppressive 75°F miserable
The average hourly wind speed in Cortaillod is decreasing during April, decreasing from 8.4 miles per hour to 7.4 miles per hour over the course of the month.
For reference, on February 6, the windiest day of the year, the daily average wind speed is 8.6 miles per hour, while on August 10, the calmest day of the year, the daily average wind speed is 6.3 miles per hour.
Average Wind Speed in April
Wind Direction in April
The growing season in Cortaillod typically lasts for 8.0 months (247 days), from around March 19 to around November 21, rarely starting before February 21 or after April 13, and rarely ending before October 31 or after December 20.
The month of April in Cortaillod is more likely than not fully within the growing season, with the chance that a given day is in the growing season rapidly increasing from 74% to 99% over the course of the month.
Time Spent in Various Temperature Bands and the Growing Season in April
The average accumulated growing degree days in Cortaillod are gradually increasing during April, increasing by 97°F, from 36°F to 133°F, over the course of the month.
Growing Degree Days in April
The average daily incident shortwave solar energy in Cortaillod is increasing during April, rising by 1.1 kWh, from 4.2 kWh to 5.3 kWh, over the course of the month.
Average Daily Incident Shortwave Solar Energy in April
For the purposes of this report, the geographical coordinates of Cortaillod are 46.943 deg latitude, 6.844 deg longitude, and 1,434 ft elevation.
The topography within 2 miles of Cortaillod contains very significant variations in elevation, with a maximum elevation change of 840 feet and an average elevation above sea level of 1,521 feet. Within 10 miles contains very significant variations in elevation (3,422 feet). Within 50 miles also contains extreme variations in elevation (9,934 feet).
The area within 2 miles of Cortaillod is covered by water (38%), cropland (31%), and artificial surfaces (23%), within 10 miles by cropland (38%) and trees (26%), and within 50 miles by trees (38%) and cropland (29%).
This report illustrates the typical weather in Cortaillod 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 Cortaillod.
For each station, the records are corrected for the elevation difference between that station and Cortaillod 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 Cortaillod is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Cortaillod and a given station.
The stations contributing to this reconstruction are: Neuchatel (86%, 10 kilometers, northeast); Les Eplatures (7%, 16 kilometers, north); Sion (4.0%, 88 kilometers, southeast); and Aéroport Genève-Cointrin (3.5%, 97 kilometers, southwest).
Time zones for aiports and weather stations are provided by AskGeo.com .