Custer County Weather in May
Average highs run from 60°F on May 1 to 72°F on May 31, and lows from 29°F to 38°F. Normal precipitation for the month is 1.41 in over about 7 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
- 66°F
- Average low
- 33°F
- Precipitation
- 1.41 in
- Snowfall
- 4.3 in
- Record high
- 88°FMay 31, 2002
- Record low
- -2°FMay 1, 1917
- Chance of a freeze
- 100%
- Daylight
- 13 h 48 min to 14 h 37 min
- Cloud cover
- 59%
- Humidity
- 48%
- Dew point
- 28°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 | 60°F | 29°F | 80°F 2020 | -2°F 1917 | 22% | 10% |
| May 2 | 60°F | 29°F | 77°F 1943 | 8°F 1953 | 22% | 10% |
| May 3 | 61°F | 30°F | 80°F 1947 | 9°F 1916 | 22% | 9% |
| May 4 | 61°F | 30°F | 83°F 1947 | 17°F 1899 | 22% | 9% |
| May 5 | 61°F | 30°F | 80°F 1936 | 13°F 1953 | 22% | 9% |
| May 6 | 62°F | 30°F | 82°F 1934 | 7°F 1982 | 22% | 8% |
| May 7 | 62°F | 31°F | 83°F 1934 | 11°F 2026 | 22% | 8% |
| May 8 | 63°F | 31°F | 80°F 1989 | 12°F 1917 | 22% | 7% |
| May 9 | 63°F | 31°F | 84°F 1934 | 11°F 1917 | 22% | 7% |
| May 10 | 63°F | 32°F | 80°F 2018 | 16°F 1981 | 22% | 7% |
| May 11 | 64°F | 32°F | 84°F 1934 | 12°F 1953 | 22% | 6% |
| May 12 | 64°F | 32°F | 80°F 1934 | 11°F 1918 | 22% | 6% |
| May 13 | 65°F | 32°F | 80°F 1996 | 17°F 1922 | 22% | 6% |
| May 14 | 65°F | 33°F | 80°F 1937 | 16°F 2014 | 22% | 5% |
| May 15 | 65°F | 33°F | 79°F 1978 | 8°F 1956 | 22% | 5% |
| May 16 | 66°F | 33°F | 82°F 1996 | 15°F 1916 | 22% | 5% |
| May 17 | 66°F | 34°F | 83°F 1934 | 21°F 1910 | 22% | 4% |
| May 18 | 67°F | 34°F | 84°F 1934 | 19°F 1995 | 22% | 4% |
| May 19 | 67°F | 34°F | 80°F 1933 | 18°F 1945 | 23% | 4% |
| May 20 | 67°F | 35°F | 82°F 2005 | 18°F 1911 | 22% | 4% |
| May 21 | 68°F | 35°F | 82°F 2005 | 18°F 1908 | 22% | 3% |
| May 22 | 68°F | 35°F | 82°F 2005 | 19°F 1913 | 22% | 3% |
| May 23 | 69°F | 35°F | 84°F 1896 | 20°F 1903 | 22% | 3% |
| May 24 | 69°F | 36°F | 80°F 1967 | 20°F 1907 | 22% | 3% |
| May 25 | 70°F | 36°F | 80°F 2018 | 21°F 1960 | 22% | 2% |
| May 26 | 70°F | 36°F | 82°F 1934 | 21°F 1960 | 22% | 2% |
| May 27 | 70°F | 37°F | 82°F 1896 | 18°F 1917 | 22% | 2% |
| May 28 | 71°F | 37°F | 84°F 1934 | 20°F 1965 | 22% | 2% |
| May 29 | 71°F | 37°F | 85°F 1934 | 22°F 1908 | 22% | 2% |
| May 30 | 72°F | 37°F | 85°F 2000 | 24°F 1912 | 21% | 1% |
| May 31 | 72°F | 38°F | 88°F 2002 | 22°F 1909 | 21% | 1% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (MDT).
- May 1
- sunrise 6:05 AM, sunset 7:53 PM
- May 31
- sunrise 5:41 AM, sunset 8:18 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00058931 (Westcliffe), public domain. Records: NOAA GHCN-Daily, station USC00058931, 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.