Average Weather in May in Oak Grove Missouri, United States
Daily high temperatures increase by 8°F, from 71°F to 79°F, rarely falling below 59°F or exceeding 87°F.
Daily low temperatures increase by 9°F, from 52°F to 61°F, rarely falling below 41°F or exceeding 69°F.
For reference, on July 21, the hottest day of the year, temperatures in Oak Grove 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 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 Oak Grove experiences essentially constant cloud cover, with the percentage of time that the sky is overcast or mostly cloudy remaining about 44% throughout the month.
The clearest day of the month is May 7, with clear, mostly clear, or partly cloudy conditions 57% of the time.
For reference, on February 13, 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 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 Oak Grove, the chance of a wet day over the course of May is increasing, starting the month at 37% and ending it at 42%.
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.
Probability of Precipitation in May
The average sliding 31-day rainfall during May in Oak Grove is increasing, starting the month at 4.3 inches, when it rarely exceeds 7.2 inches or falls below 1.5 inches, and ending the month at 5.0 inches, when it rarely exceeds 8.3 inches or falls below 2.1 inches.
Average Monthly Rainfall in May
Over the course of May in Oak Grove, the length of the day is increasing. From the start to the end of the month, the length of the day increases by 52 minutes, implying an average daily increase of 1 minute, 43 seconds, and weekly increase of 12 minutes, 2 seconds.
The shortest day of the month is May 1, with 13 hours, 51 minutes of daylight and the longest day is May 31, with 14 hours, 43 minutes of daylight.
Hours of Daylight and Twilight in May
The latest sunrise of the month in Oak Grove is 6:18 AM on May 1 and the earliest sunrise is 25 minutes earlier at 5:53 AM on May 31.
The earliest sunset is 8:09 PM on May 1 and the latest sunset is 26 minutes later at 8:35 PM on May 31.
Daylight saving time is observed in Oak Grove 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 5:51 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 7:31 AM and sets 9 hours, 26 minutes later, at 4:57 PM.
Sunrise & Sunset with Twilight in May
The chance that a given day will be muggy in Oak Grove is very rapidly increasing during May, rising from 3% to 24% over the course of the month.
For reference, on July 22, 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 May
dry 55°F comfortable 60°F humid 65°F muggy 70°F oppressive 75°F miserable
The average hourly wind speed in Oak Grove is decreasing during May, decreasing from 11.2 miles per hour to 9.7 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 7.7 miles per hour.
Average Wind Speed in May
Wind Direction in May
The growing season in Oak Grove typically lasts for 6.8 months (207 days), from around April 5 to around October 30, rarely starting before March 15 or after April 24, and rarely ending before October 12 or after November 18.
The month of May in Oak Grove is very likely fully within the growing season, with the chance that a given day is in the growing season gradually increasing from 97% to 100% over the course of the month.
Time Spent in Various Temperature Bands and the Growing Season in May
The average accumulated growing degree days in Oak Grove are rapidly increasing during May, increasing by 454°F, from 391°F to 845°F, over the course of the month.
Growing Degree Days in May
The average daily incident shortwave solar energy in Oak Grove is essentially constant during May, remaining within 0.2 kWh of 6.3 kWh throughout.
Average Daily Incident Shortwave Solar Energy in May
For the purposes of this report, the geographical coordinates of Oak Grove are 39.005 deg latitude, -94.129 deg longitude, and 823 ft elevation.
The topography within 2 miles of Oak Grove contains only modest variations in elevation, with a maximum elevation change of 276 feet and an average elevation above sea level of 833 feet. Within 10 miles also contains only modest variations in elevation (400 feet). Within 50 miles contains only modest variations in elevation (548 feet).
The area within 2 miles of Oak Grove is covered by cropland (65%) and artificial surfaces (31%), within 10 miles by cropland (68%) and trees (21%), and within 50 miles by cropland (78%) and trees (12%).
This report illustrates the typical weather in Oak Grove 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 Oak Grove.
For each station, the records are corrected for the elevation difference between that station and Oak Grove 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 Oak Grove is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Oak Grove and a given station.
The stations contributing to this reconstruction are: Lee's Summit Municipal Airport (54%, 21 kilometers, west); Skyhaven Airport (24%, 38 kilometers, southeast); and Midwest National Air Center (22%, 40 kilometers, northwest).
Time zones for aiports and weather stations are provided by AskGeo.com .