Cassia County Weather in May
Average highs run from 62°F on May 1 to 73°F on May 31, and lows from 33°F to 39°F. Normal precipitation for the month is 1.46 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
- 68°F
- Average low
- 37°F
- Precipitation
- 1.46 in
- Record high
- 97°FMay 19, 1954
- Record low
- 19°FMay 1, 1967
- Chance of a freeze
- 99%
- Daylight
- 14 h 04 min to 15 h 03 min
- Cloud cover
- 60%
- Humidity
- 53%
- Dew point
- 35°F
- Wind
- 8.7 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 | 62°F | 33°F | 86°F 1981 | 19°F 1967 | 24% | |
| May 2 | 63°F | 34°F | 83°F 1966 | 23°F 1954 | 24% | |
| May 3 | 63°F | 34°F | 87°F 1966 | 21°F 1961 | 24% | |
| May 4 | 63°F | 34°F | 87°F 1966 | 25°F 1964 | 24% | |
| May 5 | 64°F | 34°F | 88°F 1992 | 22°F 1982 | 24% | |
| May 6 | 64°F | 35°F | 89°F 1989 | 22°F 1964 | 24% | |
| May 7 | 65°F | 35°F | 90°F 1992 | 21°F 2010 | 24% | |
| May 8 | 65°F | 35°F | 88°F 1954 | 26°F 2002 | 24% | |
| May 9 | 65°F | 35°F | 88°F 1954 | 26°F 2002 | 24% | |
| May 10 | 66°F | 35°F | 89°F 1960 | 25°F 1983 | 24% | |
| May 11 | 66°F | 36°F | 92°F 1960 | 27°F 2022 | 24% | |
| May 12 | 67°F | 36°F | 92°F 2026 | 28°F 1962 | 24% | |
| May 13 | 67°F | 36°F | 89°F 1993 | 27°F 1953 | 24% | |
| May 14 | 67°F | 36°F | 88°F 1978 | 26°F 1967 | 24% | |
| May 15 | 68°F | 36°F | 89°F 1954 | 29°F 1974 | 25% | |
| May 16 | 68°F | 37°F | 89°F 1988 | 27°F 1968 | 25% | |
| May 17 | 68°F | 37°F | 90°F 1992 | 31°F 1955 | 25% | |
| May 18 | 69°F | 37°F | 91°F 2009 | 29°F 1950 | 25% | |
| May 19 | 69°F | 37°F | 97°F 1954 | 28°F 2003 | 25% | 0% |
| May 20 | 69°F | 37°F | 91°F 1958 | 28°F 1975 | 25% | 0% |
| May 21 | 70°F | 38°F | 90°F 2012 | 30°F 1959 | 25% | 0% |
| May 22 | 70°F | 38°F | 90°F 1967 | 30°F 2010 | 25% | 0% |
| May 23 | 70°F | 38°F | 90°F 1999 | 27°F 1966 | 24% | 0% |
| May 24 | 71°F | 38°F | 91°F 1969 | 32°F 1960 | 24% | 0% |
| May 25 | 71°F | 38°F | 89°F 1958 | 28°F 1953 | 24% | 0% |
| May 26 | 71°F | 39°F | 91°F 1958 | 27°F 1978 | 24% | 0% |
| May 27 | 72°F | 39°F | 91°F 1958 | 33°F 1965 | 24% | 0% |
| May 28 | 72°F | 39°F | 97°F 2003 | 28°F 1954 | 24% | 0% |
| May 29 | 72°F | 39°F | 96°F 2020 | 33°F 1975 | 23% | 0% |
| May 30 | 73°F | 39°F | 94°F 2020 | 32°F 1979 | 23% | 0% |
| May 31 | 73°F | 39°F | 92°F 1997 | 29°F 1978 | 23% | 0% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (MDT).
- May 1
- sunrise 6:30 AM, sunset 8:34 PM
- May 31
- sunrise 6:01 AM, sunset 9:04 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00105567 (Malta), public domain. Records: NOAA GHCN-Daily, station USW00024133, 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.