Reserve Weather in May
Average highs run from 78°F on May 1 to 86°F on May 31, and lows from 32°F to 39°F. Normal precipitation for the month is 0.59 in.
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
- 35°F
- Precipitation
- 0.59 in
- Record high
- 91°FMay 15, 2022
- Record low
- 12°FMay 1, 1967
- Chance of a freeze
- 99%
- Days of 90°F or more
- 4.5
- Daylight
- 13 h 32 min to 14 h 14 min
- Cloud cover
- 35%
- Humidity
- 37%
- Dew point
- 26°F
- Wind
- 7.8 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 | 32°F | 85°F 1943 | 12°F 1967 | 1% | |
| May 2 | 78°F | 32°F | 84°F 2020 | 14°F 2011 | 1% | |
| May 3 | 78°F | 32°F | 85°F 1947 | 14°F 2011 | 1% | |
| May 4 | 78°F | 32°F | 87°F 1947 | 19°F 1991 | 1% | |
| May 5 | 78°F | 33°F | 84°F 1947 | 20°F 1913 | 1% | |
| May 6 | 79°F | 33°F | 86°F 2020 | 15°F 1975 | 1% | |
| May 7 | 79°F | 33°F | 89°F 2020 | 19°F 1938 | 1% | |
| May 8 | 79°F | 33°F | 86°F 2020 | 16°F 1964 | 1% | |
| May 9 | 79°F | 34°F | 88°F 2018 | 16°F 1964 | 1% | |
| May 10 | 80°F | 34°F | 87°F 2018 | 19°F 2003 | 0% | |
| May 11 | 80°F | 34°F | 87°F 1996 | 17°F 2003 | 0% | |
| May 12 | 80°F | 35°F | 88°F 2018 | 17°F 2003 | 0% | |
| May 13 | 80°F | 35°F | 87°F 1996 | 19°F 2000 | 0% | |
| May 14 | 81°F | 35°F | 84°F 2006 | 21°F 1967 | 0% | |
| May 15 | 81°F | 35°F | 91°F 2022 | 19°F 1967 | 0% | |
| May 16 | 81°F | 35°F | 87°F 2022 | 23°F 1951 | 0% | |
| May 17 | 81°F | 36°F | 86°F 2020 | 19°F 1943 | 0% | |
| May 18 | 82°F | 36°F | 85°F 1964 | 22°F 1978 | 0% | |
| May 19 | 82°F | 36°F | 85°F 2005 | 18°F 1971 | 0% | |
| May 20 | 82°F | 36°F | 89°F 2005 | 18°F 1974 | 0% | |
| May 21 | 83°F | 37°F | 87°F 2012 | 19°F 1974 | 0% | |
| May 22 | 83°F | 37°F | 87°F 2012 | 19°F 2002 | 0% | |
| May 23 | 83°F | 37°F | 87°F 1964 | 24°F 1998 | 0% | |
| May 24 | 84°F | 37°F | 87°F 2000 | 25°F 1998 | 0% | |
| May 25 | 84°F | 37°F | 88°F 2018 | 21°F 1960 | 0% | |
| May 26 | 84°F | 38°F | 90°F 1951 | 16°F 1991 | 0% | |
| May 27 | 85°F | 38°F | 91°F 1951 | 26°F 1911 | 0% | |
| May 28 | 85°F | 38°F | 90°F 1951 | 24°F 2012 | 0% | |
| May 29 | 86°F | 38°F | 90°F 2000 | 25°F 2019 | 0% | |
| May 30 | 86°F | 39°F | 90°F 2002 | 26°F 1990 | 0% | |
| May 31 | 86°F | 39°F | 90°F 2002 | 25°F 1930 | 0% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (MDT).
- May 1
- sunrise 6:26 AM, sunset 7:58 PM
- May 31
- sunrise 6:06 AM, sunset 8:20 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00297386 (Reserve RS), public domain. Records: NOAA GHCN-Daily, station USC00028162, 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.