Average Weather in April in Riverside Missouri, United States
Daily high temperatures increase by 9°F, from 62°F to 71°F, rarely falling below 46°F or exceeding 83°F.
Daily low temperatures increase by 10°F, from 43°F to 53°F, rarely falling below 30°F or exceeding 64°F.
For reference, on July 20, the hottest day of the year, temperatures in Riverside typically range from 72°F to 90°F, while on January 6, the coldest day of the year, they range from 24°F to 40°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 Riverside experiences essentially constant cloud cover, with the percentage of time that the sky is overcast or mostly cloudy remaining about 45% throughout the month.
The clearest day of the month is April 16, with clear, mostly clear, or partly cloudy conditions 57% of the time.
For reference, on February 12, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 51%, while on August 27, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 72%.
Cloud Cover Categories in April
A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Riverside, the chance of a wet day over the course of April is rapidly increasing, starting the month at 28% and ending it at 36%.
For reference, the year's highest daily chance of a wet day is 46% on June 8, and its lowest chance is 10% on January 12.
Probability of Precipitation in April
The average sliding 31-day rainfall during April in Riverside is rapidly increasing, starting the month at 2.7 inches, when it rarely exceeds 4.4 inches or falls below 1.2 inches, and ending the month at 4.2 inches, when it rarely exceeds 6.9 inches or falls below 1.5 inches.
Average Monthly Rainfall in April
Over the course of April in Riverside, 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, 25 seconds, and weekly increase of 16 minutes, 53 seconds.
The shortest day of the month is April 1, with 12 hours, 39 minutes of daylight and the longest day is April 30, with 13 hours, 49 minutes of daylight.
Hours of Daylight and Twilight in April
The latest sunrise of the month in Riverside is 7:02 AM on April 1 and the earliest sunrise is 42 minutes earlier at 6:21 AM on April 30.
The earliest sunset is 7:42 PM on April 1 and the latest sunset is 28 minutes later at 8:10 PM on April 30.
Daylight saving time is observed in Riverside 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 5:52 AM and sets 14 hours, 56 minutes later, at 8:48 PM, while on December 21, the shortest day of the year, it rises at 7:34 AM and sets 9 hours, 25 minutes later, at 4:58 PM.
Sunrise & Sunset with Twilight and Daylight Saving Time in April
The chance that a given day will be muggy in Riverside is gradually increasing during April, rising from 0% to 3% over the course of the month.
For reference, on July 23, the muggiest day of the year, there are muggy conditions 68% of the time, while on December 2, 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 Riverside is decreasing during April, decreasing from 12.5 miles per hour to 11.5 miles per hour over the course of the month.
For reference, on April 1, the windiest day of the year, the daily average wind speed is 12.5 miles per hour, while on August 7, the calmest day of the year, the daily average wind speed is 7.9 miles per hour.
The highest daily average wind speed during April is 12.5 miles per hour on April 1.
Average Wind Speed in April
Wind Direction in April
The growing season in Riverside typically lasts for 6.9 months (212 days), from around April 3 to around November 1, rarely starting before March 14 or after April 22, and rarely ending before October 15 or after November 19.
During April in Riverside, the chance that a given day is within the growing season is very rapidly increasing rising from 44% to 97% 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 Riverside are increasing during April, increasing by 249°F, from 158°F to 407°F, over the course of the month.
Growing Degree Days in April
The average daily incident shortwave solar energy in Riverside is gradually increasing during April, rising by 1.0 kWh, from 5.1 kWh to 6.1 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 Riverside are 39.178 deg latitude, -94.613 deg longitude, and 843 ft elevation.
The topography within 2 miles of Riverside contains only modest variations in elevation, with a maximum elevation change of 236 feet and an average elevation above sea level of 819 feet. Within 10 miles also contains only modest variations in elevation (374 feet). Within 50 miles contains only modest variations in elevation (531 feet).
The area within 2 miles of Riverside is covered by artificial surfaces (90%), within 10 miles by artificial surfaces (60%) and cropland (23%), and within 50 miles by cropland (72%) and trees (14%).
This report illustrates the typical weather in Riverside 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 Riverside.
For each station, the records are corrected for the elevation difference between that station and Riverside 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 Riverside is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Riverside and a given station.
The stations contributing to this reconstruction are: Charles B. Wheeler Downtown Airport (73%, 6 kilometers, south); Kansas City International Airport (19%, 17 kilometers, northwest); and Midwest National Air Center (8%, 31 kilometers, northeast).
Time zones for aiports and weather stations are provided by AskGeo.com .