Average Weather in May in Madill Oklahoma, United States
Daily high temperatures increase by 7°F, from 77°F to 84°F, rarely falling below 68°F or exceeding 91°F.
Daily low temperatures increase by 9°F, from 57°F to 66°F, rarely falling below 47°F or exceeding 73°F.
For reference, on July 26, the hottest day of the year, temperatures in Madill typically range from 73°F to 94°F, while on January 7, the coldest day of the year, they range from 33°F to 53°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 Madill experiences essentially constant cloud cover, with the percentage of time that the sky is overcast or mostly cloudy remaining about 37% throughout the month. The highest chance of overcast or mostly cloudy conditions is 38% on May 22.
The clearest day of the month is May 7, with clear, mostly clear, or partly cloudy conditions 64% of the time.
For reference, on February 24, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 46%, while on October 5, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 73%.
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 Madill, the chance of a wet day over the course of May is increasing, starting the month at 34% and ending it at 40%.
For reference, the year's highest daily chance of a wet day is 41% on May 22, and its lowest chance is 14% on January 1.
Probability of Precipitation in May
The average sliding 31-day rainfall during May in Madill is gradually increasing, starting the month at 4.4 inches, when it rarely exceeds 8.0 inches or falls below 1.4 inches, and ending the month at 4.9 inches, when it rarely exceeds 8.0 inches or falls below 2.1 inches.
The highest average 31-day accumulation is 5.0 inches on May 24.
Average Monthly Rainfall in May
Over the course of May in Madill, the length of the day is increasing. From the start to the end of the month, the length of the day increases by 43 minutes, implying an average daily increase of 1 minute, 25 seconds, and weekly increase of 9 minutes, 57 seconds.
The shortest day of the month is May 1, with 13 hours, 33 minutes of daylight and the longest day is May 31, with 14 hours, 16 minutes of daylight.
Hours of Daylight and Twilight in May
The latest sunrise of the month in Madill is 6:37 AM on May 1 and the earliest sunrise is 21 minutes earlier at 6:16 AM on May 31.
The earliest sunset is 8:11 PM on May 1 and the latest sunset is 22 minutes later at 8:32 PM on May 31.
Daylight saving time is observed in Madill 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 6:16 AM and sets 14 hours, 26 minutes later, at 8:41 PM, while on December 21, the shortest day of the year, it rises at 7:28 AM and sets 9 hours, 53 minutes later, at 5:21 PM.
Sunrise & Sunset with Twilight in May
The chance that a given day will be muggy in Madill is very rapidly increasing during May, rising from 20% to 60% over the course of the month.
For reference, on July 3, the muggiest day of the year, there are muggy conditions 88% of the time, while on January 16, 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 Madill is decreasing during May, decreasing from 11.2 miles per hour to 10.0 miles per hour over the course of the month.
For reference, on April 2, the windiest day of the year, the daily average wind speed is 12.1 miles per hour, while on August 12, the calmest day of the year, the daily average wind speed is 8.1 miles per hour.
Average Wind Speed in May
Wind Direction in May
The growing season in Madill typically lasts for 7.9 months (241 days), from around March 20 to around November 16, rarely starting before February 26 or after April 12, and rarely ending before October 28 or after December 4.
The month of May in Madill is reliably fully within the growing season.
Time Spent in Various Temperature Bands and the Growing Season in May
The average accumulated growing degree days in Madill are rapidly increasing during May, increasing by 605°F, from 788°F to 1,393°F, over the course of the month.
Growing Degree Days in May
The average daily incident shortwave solar energy in Madill is essentially constant during May, remaining within 0.1 kWh of 6.5 kWh throughout.
Average Daily Incident Shortwave Solar Energy in May
For the purposes of this report, the geographical coordinates of Madill are 34.090 deg latitude, -96.772 deg longitude, and 810 ft elevation.
The topography within 2 miles of Madill contains only modest variations in elevation, with a maximum elevation change of 200 feet and an average elevation above sea level of 795 feet. Within 10 miles also contains only modest variations in elevation (410 feet). Within 50 miles contains only modest variations in elevation (981 feet).
The area within 2 miles of Madill is covered by grassland (42%), cropland (31%), artificial surfaces (16%), and trees (11%), within 10 miles by grassland (47%) and trees (28%), and within 50 miles by grassland (43%) and cropland (29%).
This report illustrates the typical weather in Madill 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 6 weather stations near enough to contribute to our estimation of the temperature and dew point in Madill.
For each station, the records are corrected for the elevation difference between that station and Madill 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 Madill is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Madill and a given station.
The stations contributing to this reconstruction are: Ardmore Municipal Airport (24%, 32 kilometers, northwest); Ardmore Downtown Executive (24%, 33 kilometers, west); Eaker Field (19%, 39 kilometers, southeast); North Texas Regional Airport (16%, 43 kilometers, south); Gainesville Municipal Airport (9%, 63 kilometers, southwest); and Atoka Municipal Airport (8%, 67 kilometers, northeast).
Time zones for aiports and weather stations are provided by AskGeo.com .