Average Weather in April in Manson Washington, United States
In Manson, the month of April is characterized by rapidly rising daily high temperatures, with daily highs increasing by 9°F, from 56°F to 65°F over the course of the month, and rarely exceeding 77°F or dropping below 49°F.
Daily low temperatures increase by 7°F, from 36°F to 43°F, rarely falling below 30°F or exceeding 51°F.
For reference, on August 2, the hottest day of the year, temperatures in Manson typically range from 61°F to 88°F, while on December 30, the coldest day of the year, they range from 23°F to 32°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 Manson experiences decreasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy decreasing from 60% to 51%.
The clearest day of the month is April 30, with clear, mostly clear, or partly cloudy conditions 49% of the time.
For reference, on January 15, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 67%, while on August 3, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 79%.
Cloud Cover Categories in April
A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Manson, the chance of a wet day over the course of April is rapidly decreasing, starting the month at 20% and ending it at 13%.
For reference, the year's highest daily chance of a wet day is 36% on November 28, and its lowest chance is 6% on August 10.
Probability of Precipitation in April
The average sliding 31-day rainfall during April in Manson is gradually decreasing, starting the month at 1.0 inches, when it rarely exceeds 2.0 inches or falls below 0.3 inches, and ending the month at 0.7 inches, when it rarely exceeds 1.5 inches or falls below 0.2 inches.
The lowest average 31-day accumulation is 0.7 inches on April 26.
Average Monthly Rainfall in April
Over the course of April in Manson, 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, 36 minutes, implying an average daily increase of 3 minutes, 18 seconds, and weekly increase of 23 minutes, 7 seconds.
The shortest day of the month is April 1, with 12 hours, 53 minutes of daylight and the longest day is April 30, with 14 hours, 29 minutes of daylight.
Hours of Daylight and Twilight in April
The latest sunrise of the month in Manson is 6:38 AM on April 1 and the earliest sunrise is 54 minutes earlier at 5:43 AM on April 30.
The earliest sunset is 7:31 PM on April 1 and the latest sunset is 41 minutes later at 8:12 PM on April 30.
Daylight saving time is observed in Manson during 2017, 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 5:01 AM and sets 16 hours, 2 minutes later, at 9:03 PM, while on December 21, the shortest day of the year, it rises at 7:47 AM and sets 8 hours, 23 minutes later, at 4:10 PM.
Sunrise & Sunset with Twilight and Daylight Saving Time in April
The chance that a given day will be muggy in Manson is essentially constant during April, remaining around 0% throughout.
For reference, on August 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 April
The average hourly wind speed in Manson is essentially constant during April, remaining within 0.1 miles per hour of 5.2 miles per hour throughout.
For reference, on May 7, the windiest day of the year, the daily average wind speed is 5.3 miles per hour, while on January 6, the calmest day of the year, the daily average wind speed is 4.0 miles per hour.
Average Wind Speed in April
Wind Direction in April
The growing season in Manson typically lasts for 6.4 months (195 days), from around April 12 to around October 24, rarely starting before March 19 or after May 5, and rarely ending before October 6 or after November 11.
During April in Manson, the chance that a given day is within the growing season is very rapidly increasing rising from 28% to 84% 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 Manson is gradually increasing during April, increasing by 97°F, from 23°F to 120°F, over the course of the month.
Growing Degree Days in April
The average daily incident shortwave solar energy in Manson is increasing during April, rising by 1.5 kWh, from 4.4 kWh to 5.9 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 Manson are 47.885 deg latitude, -120.158 deg longitude, and 1,306 ft elevation.
The topography within 2 miles of Manson contains very significant variations in elevation, with a maximum elevation change of 1,250 feet and an average elevation above sea level of 1,213 feet. Within 10 miles contains very significant variations in elevation (6,450 feet). Within 50 miles also contains extreme variations in elevation (9,964 feet).
The area within 2 miles of Manson is covered by water (43%), cropland (24%), and sparse vegetation (14%), within 10 miles by shrubs (50%) and grassland (18%), and within 50 miles by shrubs (44%) and trees (23%).
This report illustrates the typical weather in Manson 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 Manson.
For each station, the records are corrected for the elevation difference between that station and Manson 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 Manson is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Manson and a given station.
The stations contributing to this reconstruction are: Pangborn Field (57%, 54 kilometers, south); Omak Airport (32%, 80 kilometers, northeast); and Arlington Municipal Airport (12%, 152 kilometers, west).
Time zones for aiports and weather stations are provided by AskGeo.com .