Average Weather in March in Grain Valley Missouri, United States
Daily high temperatures increase by 10°F, from 51°F to 61°F, rarely falling below 34°F or exceeding 77°F.
Daily low temperatures increase by 10°F, from 32°F to 42°F, rarely falling below 19°F or exceeding 56°F.
For reference, on July 21, the hottest day of the year, temperatures in Grain Valley typically range from 71°F to 89°F, while on January 22, the coldest day of the year, they range from 24°F to 40°F.
Average High and Low Temperature in March
The figure below shows you a compact characterization of the hourly average temperatures for the quarter of the year centered on March. 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 March
The month of March in Grain Valley experiences essentially constant cloud cover, with the percentage of time that the sky is overcast or mostly cloudy remaining about 49% throughout the month.
The clearest day of the month is March 31, with clear, mostly clear, or partly cloudy conditions 53% of the time.
For reference, on February 12, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 52%, while on August 26, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 71%.
Cloud Cover Categories in March
A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Grain Valley, the chance of a wet day over the course of March is very rapidly increasing, starting the month at 18% and ending it at 29%.
For reference, the year's highest daily chance of a wet day is 44% on June 8, and its lowest chance is 11% on January 12.
Over the course of March in Grain Valley, the chance of a day with only rain increases from 14% to 28%, the chance of a day with mixed snow and rain remains an essentially constant 2% throughout, and the chance of a day with only snow remains an essentially constant 1% throughout.
Probability of Precipitation in March
The average sliding 31-day rainfall during March in Grain Valley is rapidly increasing, starting the month at 1.6 inches, when it rarely exceeds 3.3 inches or falls below 0.4 inches, and ending the month at 2.8 inches, when it rarely exceeds 4.5 inches or falls below 1.2 inches.
Average Monthly Rainfall in March
We report snowfall in liquid-equivalent terms. The actual depth of new snowfall is typically between 5 and 10 times the liquid-equivalent amount, assuming the ground is frozen. As with rainfall, we consider the liquid-equivalent snowfall accumulated over a sliding 31-day period centered around each day.
The average sliding 31-day liquid-equivalent snowfall during March in Grain Valley is essentially constant, remaining about 0.1 inches throughout, and rarely exceeding 0.7 inches or falling to 0.0 inches.
Average Monthly Liquid-Equivalent Snowfall in March
Over the course of March in Grain Valley, 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, 17 minutes, implying an average daily increase of 2 minutes, 33 seconds, and weekly increase of 17 minutes, 51 seconds.
The shortest day of the month is March 1, with 11 hours, 20 minutes of daylight and the longest day is March 31, with 12 hours, 37 minutes of daylight.
Hours of Daylight and Twilight in March
The earliest sunrise of the month in Grain Valley is 6:35 AM on March 10 and the latest sunrise is 58 minutes later at 7:34 AM on March 11.
The earliest sunset is 6:09 PM on March 1 and the latest sunset is 1 hour, 30 minutes later at 7:39 PM on March 31.
Daylight saving time (DST) starts at 3:00 AM on March 11, 2018, shifting sunrise and sunset to be an hour later.
For reference, on June 21, the longest day of the year, the Sun rises at 5:51 AM and sets 14 hours, 55 minutes later, at 8:45 PM, while on December 21, the shortest day of the year, it rises at 7:32 AM and sets 9 hours, 26 minutes later, at 4:57 PM.
Sunrise & Sunset with Twilight and Daylight Saving Time in March
The chance that a given day will be muggy in Grain Valley is essentially constant during March, remaining around 0% throughout.
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 March
The average hourly wind speed in Grain Valley is gradually increasing during March, increasing from 11.8 miles per hour to 12.4 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 12.4 miles per hour, while on August 7, the calmest day of the year, the daily average wind speed is 7.8 miles per hour.
Average Wind Speed in March
Wind Direction in March
The growing season in Grain Valley typically lasts for 6.8 months (209 days), from around April 4 to around October 30, rarely starting before March 14 or after April 22, and rarely ending before October 12 or after November 18.
The month of March in Grain Valley is more likely than not fully outside of the growing season, with the chance that a given day is in the growing season rapidly increasing from 2% to 39% over the course of the month.
Time Spent in Various Temperature Bands and the Growing Season in March
The average accumulated growing degree days in Grain Valley are gradually increasing during March, increasing by 102°F, from 40°F to 143°F, over the course of the month.
Growing Degree Days in March
The average daily incident shortwave solar energy in Grain Valley is increasing during March, rising by 1.2 kWh, from 3.9 kWh to 5.0 kWh, over the course of the month.
Average Daily Incident Shortwave Solar Energy in March
For the purposes of this report, the geographical coordinates of Grain Valley are 39.015 deg latitude, -94.199 deg longitude, and 830 ft elevation.
The topography within 2 miles of Grain Valley contains only modest variations in elevation, with a maximum elevation change of 213 feet and an average elevation above sea level of 816 feet. Within 10 miles also contains only modest variations in elevation (387 feet). Within 50 miles contains only modest variations in elevation (535 feet).
The area within 2 miles of Grain Valley is covered by artificial surfaces (51%), cropland (31%), and trees (18%), within 10 miles by cropland (58%) and trees (24%), and within 50 miles by cropland (77%) and trees (12%).
This report illustrates the typical weather in Grain Valley 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 Grain Valley.
For each station, the records are corrected for the elevation difference between that station and Grain Valley 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 Grain Valley is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Grain Valley and a given station.
The stations contributing to this reconstruction are: Lee's Summit Municipal Airport (64%, 16 kilometers, west); Midwest National Air Center (20%, 37 kilometers, north); and Skyhaven Airport (16%, 43 kilometers, southeast).
Time zones for aiports and weather stations are provided by AskGeo.com .