Mesa County Weather in May
Average highs run from 70°F on May 1 to 82°F on May 31, and lows from 44°F to 55°F. Normal precipitation for the month is 0.93 in over about 5 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
- 76°F
- Average low
- 50°F
- Precipitation
- 0.93 in
- Record high
- 101°FMay 29, 2000
- Record low
- 24°FMay 1, 2011
- Chance of a freeze
- 24%
- Days of 90°F or more
- 1.8
- Daylight
- 13 h 51 min to 14 h 43 min
- Cloud cover
- 57%
- Humidity
- 44%
- Dew point
- 32°F
- Wind
- 8.5 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 | 70°F | 44°F | 88°F 1943 | 24°F 2011 | 20% | 0% |
| May 2 | 70°F | 45°F | 88°F 1947 | 26°F 1970 | 20% | 0% |
| May 3 | 70°F | 45°F | 91°F 1947 | 29°F 1967 | 20% | 0% |
| May 4 | 71°F | 45°F | 93°F 1947 | 34°F 1912 | 19% | 0% |
| May 5 | 71°F | 46°F | 90°F 2000 | 32°F 1908 | 19% | 0% |
| May 6 | 71°F | 46°F | 87°F 1916 | 30°F 1999 | 19% | 0% |
| May 7 | 72°F | 46°F | 90°F 1966 | 27°F 1968 | 19% | 0% |
| May 8 | 72°F | 47°F | 90°F 1989 | 29°F 2024 | 18% | 0% |
| May 9 | 73°F | 47°F | 92°F 1977 | 26°F 2002 | 18% | 0% |
| May 10 | 73°F | 48°F | 91°F 2018 | 30°F 1930 | 18% | 0% |
| May 11 | 73°F | 48°F | 90°F 1934 | 31°F 1953 | 18% | 0% |
| May 12 | 74°F | 48°F | 94°F 2026 | 29°F 2000 | 17% | 0% |
| May 13 | 74°F | 49°F | 94°F 1996 | 30°F 2014 | 17% | 0% |
| May 14 | 75°F | 49°F | 93°F 1984 | 29°F 1907 | 17% | 0% |
| May 15 | 75°F | 49°F | 90°F 1996 | 32°F 1916 | 17% | 0% |
| May 16 | 76°F | 50°F | 92°F 1927 | 34°F 1910 | 17% | 0% |
| May 17 | 76°F | 50°F | 91°F 1937 | 34°F 1968 | 16% | 0% |
| May 18 | 76°F | 50°F | 92°F 2006 | 36°F 1903 | 16% | 0% |
| May 19 | 77°F | 51°F | 91°F 1901 | 34°F 1960 | 16% | 0% |
| May 20 | 77°F | 51°F | 94°F 2005 | 34°F 1974 | 16% | 0% |
| May 21 | 78°F | 51°F | 92°F 2005 | 29°F 2022 | 16% | 0% |
| May 22 | 78°F | 52°F | 94°F 2005 | 34°F 2002 | 16% | 0% |
| May 23 | 79°F | 52°F | 95°F 2005 | 35°F 1933 | 15% | 0% |
| May 24 | 79°F | 52°F | 94°F 2005 | 37°F 1971 | 15% | 0% |
| May 25 | 80°F | 53°F | 93°F 2018 | 36°F 2010 | 15% | 0% |
| May 26 | 80°F | 53°F | 94°F 2018 | 34°F 1980 | 15% | 0% |
| May 27 | 80°F | 53°F | 93°F 1969 | 36°F 1973 | 14% | 0% |
| May 28 | 81°F | 54°F | 96°F 2000 | 35°F 1908 | 14% | 0% |
| May 29 | 81°F | 54°F | 101°F 2000 | 34°F 2006 | 14% | 0% |
| May 30 | 82°F | 54°F | 99°F 2000 | 34°F 2004 | 13% | 0% |
| May 31 | 82°F | 55°F | 100°F 2002 | 37°F 1988 | 13% | 0% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (MDT).
- May 1
- sunrise 6:16 AM, sunset 8:07 PM
- May 31
- sunrise 5:50 AM, sunset 8:33 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00053489 (Grand Junction 6ESE), public domain. Records: NOAA GHCN-Daily, station USW00023066, 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.