Mason Weather in May
Average highs run from 82°F on May 1 to 90°F on May 31, and lows from 57°F to 66°F. Normal precipitation for the month is 4.21 in over about 8 wet days.
May day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
May at a glance
- Average high
- 86°F
- Average low
- 62°F
- Precipitation
- 4.21 in
- Record high
- 107°FMay 7, 1984
- Record low
- 37°FMay 4, 1945
- Chance of a freeze
- 0%
- Days of 90°F or more
- 10.3
- Daylight
- 13 h 23 min to 14 h 00 min
- Cloud cover
- 59%
- Humidity
- 69%
- Dew point
- 61°F
- Wind
- 11.2 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.
| Date | Normal high | Normal low | Record high | Record low | Chance wet | Chance of snow |
|---|---|---|---|---|---|---|
| May 1 | 82°F | 57°F | 99°F 1948 | 42°F 2005 | 21% | 0% |
| May 2 | 82°F | 57°F | 100°F 2002 | 41°F 1962 | 21% | 0% |
| May 3 | 82°F | 57°F | 99°F 1998 | 38°F 1970 | 22% | 0% |
| May 4 | 83°F | 58°F | 101°F 1947 | 37°F 1945 | 22% | 0% |
| May 5 | 83°F | 58°F | 101°F 1984 | 37°F 1970 | 22% | 0% |
| May 6 | 83°F | 58°F | 106°F 1984 | 40°F 1953 | 22% | 0% |
| May 7 | 83°F | 59°F | 107°F 1984 | 42°F 1982 | 23% | 0% |
| May 8 | 83°F | 59°F | 101°F 1955 | 40°F 1938 | 23% | 0% |
| May 9 | 84°F | 60°F | 103°F 2024 | 41°F 1969 | 23% | 0% |
| May 10 | 84°F | 60°F | 100°F 1967 | 41°F 1969 | 23% | 0% |
| May 11 | 84°F | 60°F | 100°F 1967 | 38°F 1981 | 24% | 0% |
| May 12 | 84°F | 61°F | 104°F 1967 | 37°F 1979 | 24% | 0% |
| May 13 | 85°F | 61°F | 104°F 2000 | 40°F 1971 | 24% | 0% |
| May 14 | 85°F | 61°F | 103°F 2025 | 40°F 1896 | 24% | 0% |
| May 15 | 85°F | 62°F | 103°F 2022 | 40°F 1971 | 24% | 0% |
| May 16 | 85°F | 62°F | 99°F 1978 | 43°F 1970 | 24% | 0% |
| May 17 | 86°F | 62°F | 105°F 1978 | 43°F 1970 | 24% | 0% |
| May 18 | 86°F | 63°F | 101°F 1966 | 46°F 1970 | 24% | 0% |
| May 19 | 86°F | 63°F | 101°F 2022 | 44°F 2009 | 24% | 0% |
| May 20 | 86°F | 63°F | 102°F 2003 | 47°F 1894 | 24% | 0% |
| May 21 | 87°F | 64°F | 102°F 1998 | 48°F 1947 | 25% | 0% |
| May 22 | 87°F | 64°F | 101°F 1953 | 47°F 2001 | 25% | 0% |
| May 23 | 87°F | 64°F | 101°F 1984 | 47°F 1893 | 25% | 0% |
| May 24 | 88°F | 64°F | 101°F 2000 | 46°F 1940 | 25% | 0% |
| May 25 | 88°F | 65°F | 104°F 2000 | 44°F 1971 | 25% | 0% |
| May 26 | 88°F | 65°F | 99°F 2018 | 44°F 1971 | 25% | 0% |
| May 27 | 88°F | 65°F | 101°F 2024 | 47°F 1961 | 25% | 0% |
| May 28 | 89°F | 65°F | 106°F 2024 | 47°F 1976 | 24% | 0% |
| May 29 | 89°F | 66°F | 106°F 2011 | 48°F 1947 | 24% | 0% |
| May 30 | 89°F | 66°F | 103°F 1896 | 50°F 1984 | 24% | 0% |
| May 31 | 90°F | 66°F | 102°F 1896 | 50°F 1983 | 24% | 0% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (CDT).
- May 1
- sunrise 6:53 AM, sunset 8:16 PM
- May 31
- sunrise 6:35 AM, sunset 8:35 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00415650 (Mason), public domain. Records: NOAA GHCN-Daily, station USC00411017, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.