Average Weather in May in Abilene Texas, United States
Daily high temperatures increase by 6°F, from 82°F to 89°F, rarely falling below 71°F or exceeding 97°F.
Daily low temperatures increase by 8°F, from 59°F to 67°F, rarely falling below 48°F or exceeding 74°F.
For reference, on July 25, the hottest day of the year, temperatures in Abilene typically range from 74°F to 95°F, while on January 4, the coldest day of the year, they range from 35°F to 57°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 Abilene experiences essentially constant cloud cover, with the percentage of time that the sky is overcast or mostly cloudy remaining about 30% throughout the month.
The clearest day of the month is May 31, with clear, mostly clear, or partly cloudy conditions 71% of the time.
For reference, on February 24, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 43%, while on June 11, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 75%.
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 Abilene, the chance of a wet day over the course of May is very rapidly increasing, starting the month at 26% and ending it at 34%.
For reference, the year's highest daily chance of a wet day is 35% on June 4, and its lowest chance is 8% on January 11.
Probability of Precipitation in May
The average sliding 31-day rainfall during May in Abilene is rapidly increasing, starting the month at 2.5 inches, when it rarely exceeds 5.4 inches or falls below 0.8 inches, and ending the month at 3.5 inches, when it rarely exceeds 6.4 inches or falls below 1.2 inches.
The highest average 31-day accumulation is 3.5 inches on May 31.
Average Monthly Rainfall in May
Over the course of May in Abilene, the length of the day is increasing. From the start to the end of the month, the length of the day increases by 40 minutes, implying an average daily increase of 1 minute, 19 seconds, and weekly increase of 9 minutes, 16 seconds.
The shortest day of the month is May 1, with 13 hours, 28 minutes of daylight and the longest day is May 31, with 14 hours, 8 minutes of daylight.
Hours of Daylight and Twilight in May
The latest sunrise of the month in Abilene is 6:51 AM on May 1 and the earliest sunrise is 19 minutes earlier at 6:32 AM on May 31.
The earliest sunset is 8:20 PM on May 1 and the latest sunset is 20 minutes later at 8:40 PM on May 31.
Daylight saving time is observed in Abilene during 2021, 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 6:32 AM and sets 14 hours, 17 minutes later, at 8:49 PM, while on December 21, the shortest day of the year, it rises at 7:36 AM and sets 10 hours, 1 minute later, at 5:37 PM.
Sunrise & Sunset with Twilight in May
The figure below presents a compact representation of key lunar data for May 2021. The horizontal axis is the day, the vertical axis is the hour of the day, and the colored areas indicate when the moon is above the horizon. The vertical gray bars (new Moons) and blue bars (full Moons) indicate key Moon phases. The label associated with each bar indicates the date and time that the phase is obtained, and the companion time labels indicate the rise and set times of the Moon for the nearest time interval in which the moon is above the horizon.
Moon Rise, Set & Phases in May
The chance that a given day will be muggy in Abilene is very rapidly increasing during May, rising from 7% to 30% over the course of the month.
For reference, on June 25, the muggiest day of the year, there are muggy conditions 49% 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 May
dry 55°F comfortable 60°F humid 65°F muggy 70°F oppressive 75°F miserable
The average hourly wind speed in Abilene is gradually decreasing during May, decreasing from 12.2 miles per hour to 11.5 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 12.8 miles per hour, while on August 23, the calmest day of the year, the daily average wind speed is 9.1 miles per hour.
Average Wind Speed in May
The hourly average wind direction in Abilene throughout May is predominantly from the south, with a peak proportion of 68% on May 31.
Wind Direction in May
The growing season in Abilene typically lasts for 8.0 months (244 days), from around March 17 to around November 16, rarely starting before February 19 or after April 10, and rarely ending before October 28 or after December 5.
The month of May in Abilene 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 Abilene are rapidly increasing during May, increasing by 674°F, from 990°F to 1,664°F, over the course of the month.
Growing Degree Days in May
The average daily incident shortwave solar energy in Abilene is essentially constant during May, remaining within 0.1 kWh of 7.0 kWh throughout.
Average Daily Incident Shortwave Solar Energy in May
For the purposes of this report, the geographical coordinates of Abilene are 32.449 deg latitude, -99.733 deg longitude, and 1,719 ft elevation.
The topography within 2 miles of Abilene contains only modest variations in elevation, with a maximum elevation change of 108 feet and an average elevation above sea level of 1,715 feet. Within 10 miles also contains only modest variations in elevation (427 feet). Within 50 miles contains only modest variations in elevation (1,483 feet).
The area within 2 miles of Abilene is covered by artificial surfaces (77%) and shrubs (17%), within 10 miles by shrubs (39%) and cropland (29%), and within 50 miles by grassland (42%) and shrubs (35%).
This report illustrates the typical weather in Abilene, 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 2 weather stations near enough to contribute to our estimation of the temperature and dew point in Abilene.
For each station, the records are corrected for the elevation difference between that station and Abilene 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 Abilene is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Abilene and a given station.
Time zones for airports and weather stations are provided by AskGeo.com .