Grant County Weather in May
Average highs run from 78°F on May 1 to 85°F on May 31, and lows from 53°F to 63°F. Normal precipitation for the month is 5.71 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
- 81°F
- Average low
- 58°F
- Precipitation
- 5.71 in
- Record high
- 100°FMay 29, 1911
- Record low
- 31°FMay 2, 1996
- Chance of a freeze
- 0%
- Days of 90°F or more
- 3.7
- Daylight
- 13 h 34 min to 14 h 17 min
- Cloud cover
- 60%
- Humidity
- 79%
- Dew point
- 62°F
- Wind
- 4.9 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 | 78°F | 53°F | 89°F 1952 | 35°F 1960 | 25% | 0% |
| May 2 | 78°F | 53°F | 90°F 2012 | 31°F 1996 | 25% | 0% |
| May 3 | 78°F | 54°F | 92°F 1952 | 35°F 1940 | 25% | 0% |
| May 4 | 78°F | 54°F | 92°F 1952 | 36°F 1954 | 26% | 0% |
| May 5 | 78°F | 54°F | 92°F 1955 | 35°F 1945 | 26% | 0% |
| May 6 | 79°F | 55°F | 91°F 1952 | 34°F 1945 | 26% | 0% |
| May 7 | 79°F | 55°F | 91°F 2012 | 35°F 1944 | 26% | 0% |
| May 8 | 79°F | 55°F | 91°F 2018 | 39°F 1960 | 26% | 0% |
| May 9 | 79°F | 56°F | 89°F 2018 | 40°F 1938 | 26% | 0% |
| May 10 | 80°F | 56°F | 90°F 1973 | 39°F 1960 | 26% | 0% |
| May 11 | 80°F | 56°F | 90°F 2022 | 38°F 1952 | 26% | 0% |
| May 12 | 80°F | 57°F | 92°F 2022 | 35°F 1960 | 26% | 0% |
| May 13 | 80°F | 57°F | 93°F 2022 | 36°F 1960 | 26% | 0% |
| May 14 | 81°F | 57°F | 94°F 1911 | 39°F 1971 | 26% | 0% |
| May 15 | 81°F | 58°F | 92°F 2018 | 39°F 1981 | 26% | 0% |
| May 16 | 81°F | 58°F | 93°F 1988 | 38°F 1973 | 25% | 0% |
| May 17 | 81°F | 58°F | 95°F 1911 | 41°F 1912 | 25% | 0% |
| May 18 | 82°F | 59°F | 92°F 2012 | 39°F 1945 | 25% | 0% |
| May 19 | 82°F | 59°F | 93°F 1998 | 41°F 2007 | 25% | 0% |
| May 20 | 82°F | 59°F | 92°F 2018 | 41°F 1968 | 25% | 0% |
| May 21 | 82°F | 60°F | 95°F 2005 | 40°F 1954 | 25% | 0% |
| May 22 | 83°F | 60°F | 92°F 1969 | 40°F 1993 | 25% | 0% |
| May 23 | 83°F | 60°F | 92°F 1911 | 40°F 1963 | 25% | 0% |
| May 24 | 83°F | 61°F | 95°F 1911 | 45°F 1945 | 25% | 0% |
| May 25 | 84°F | 61°F | 95°F 1911 | 45°F 1979 | 25% | 0% |
| May 26 | 84°F | 61°F | 94°F 1964 | 45°F 1979 | 25% | 0% |
| May 27 | 84°F | 62°F | 95°F 1911 | 43°F 1961 | 25% | 0% |
| May 28 | 84°F | 62°F | 98°F 1911 | 40°F 1961 | 25% | 0% |
| May 29 | 85°F | 62°F | 100°F 1911 | 44°F 1947 | 25% | 0% |
| May 30 | 85°F | 62°F | 96°F 1977 | 45°F 1952 | 25% | 0% |
| May 31 | 85°F | 63°F | 99°F 1911 | 41°F 1984 | 25% | 0% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (CDT).
- May 1
- sunrise 6:20 AM, sunset 7:54 PM
- May 31
- sunrise 5:59 AM, sunset 8:16 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00036562 (Sheridan), public domain. Records: NOAA GHCN-Daily, station USC00030582, 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.