Caspar Weather in May
Average highs run from 59°F on May 1 to 62°F on May 31, and lows from 44°F to 46°F. Normal precipitation for the month is 1.57 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
- 60°F
- Average low
- 45°F
- Precipitation
- 1.57 in
- Record high
- 81°FMay 25, 1982
- Record low
- 29°FMay 24, 1965
- Chance of a freeze
- 0%
- Daylight
- 13 h 53 min to 14 h 45 min
- Cloud cover
- 45%
- Humidity
- 81%
- Dew point
- 49°F
- Wind
- 7.2 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation.
| Date | Normal high | Normal low | Record high | Record low | Chance wet |
|---|---|---|---|---|---|
| May 1 | 59°F | 44°F | 75°F 2014 | 35°F 2008 | 29% |
| May 2 | 59°F | 44°F | 76°F 2013 | 34°F 1950 | 29% |
| May 3 | 59°F | 44°F | 75°F 1990 | 36°F 1938 | 28% |
| May 4 | 59°F | 44°F | 77°F 2013 | 35°F 1975 | 28% |
| May 5 | 59°F | 44°F | 77°F 2013 | 36°F 2024 | 27% |
| May 6 | 59°F | 44°F | 75°F 1949 | 34°F 1950 | 27% |
| May 7 | 59°F | 44°F | 79°F 1949 | 36°F 2010 | 26% |
| May 8 | 59°F | 44°F | 80°F 2007 | 37°F 1950 | 26% |
| May 9 | 60°F | 44°F | 73°F 1993 | 35°F 2002 | 25% |
| May 10 | 60°F | 45°F | 77°F 2024 | 34°F 2022 | 25% |
| May 11 | 60°F | 45°F | 80°F 1941 | 35°F 2010 | 25% |
| May 12 | 60°F | 45°F | 76°F 1895 | 35°F 1968 | 25% |
| May 13 | 60°F | 45°F | 75°F 2014 | 38°F 2006 | 24% |
| May 14 | 60°F | 45°F | 77°F 2014 | 38°F 2002 | 24% |
| May 15 | 60°F | 45°F | 74°F 2006 | 36°F 1999 | 24% |
| May 16 | 60°F | 45°F | 77°F 1997 | 33°F 1964 | 23% |
| May 17 | 60°F | 45°F | 76°F 1956 | 39°F 1943 | 23% |
| May 18 | 60°F | 45°F | 77°F 1993 | 36°F 1974 | 23% |
| May 19 | 60°F | 45°F | 79°F 1993 | 38°F 1991 | 22% |
| May 20 | 61°F | 46°F | 76°F 2001 | 38°F 1976 | 22% |
| May 21 | 61°F | 46°F | 75°F 1941 | 37°F 2002 | 22% |
| May 22 | 61°F | 46°F | 74°F 1999 | 37°F 1989 | 21% |
| May 23 | 61°F | 46°F | 75°F 1992 | 30°F 1965 | 21% |
| May 24 | 61°F | 46°F | 73°F 1992 | 29°F 1965 | 21% |
| May 25 | 61°F | 46°F | 81°F 1982 | 39°F 1950 | 20% |
| May 26 | 61°F | 46°F | 73°F 1934 | 39°F 1989 | 20% |
| May 27 | 61°F | 46°F | 72°F 1992 | 37°F 1954 | 20% |
| May 28 | 61°F | 46°F | 73°F 1997 | 39°F 1991 | 19% |
| May 29 | 61°F | 46°F | 76°F 1984 | 39°F 2021 | 19% |
| May 30 | 61°F | 46°F | 78°F 2001 | 40°F 1989 | 18% |
| May 31 | 62°F | 46°F | 79°F 2001 | 40°F 1991 | 18% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (PDT).
- May 1
- sunrise 6:16 AM, sunset 8:09 PM
- May 31
- sunrise 5:51 AM, sunset 8:36 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00043161 (Ft Bragg 5 N), public domain. Records: NOAA GHCN-Daily, station USC00043161, 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.