Teton County Weather in May
Average highs run from 60°F on May 1 to 69°F on May 31, and lows from 31°F to 38°F. Normal precipitation for the month is 2.30 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
- 65°F
- Average low
- 35°F
- Precipitation
- 2.30 in
- Snowfall
- 2.5 in
- Record high
- 89°FMay 31, 1914
- Record low
- 8°FMay 1, 1967
- Chance of a freeze
- 100%
- Daylight
- 14 h 11 min to 15 h 13 min
- Cloud cover
- 73%
- Humidity
- 68%
- Dew point
- 35°F
- Wind
- 6.5 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 | 31°F | 82°F 2023 | 8°F 1967 | 9% | |
| May 2 | 60°F | 32°F | 80°F 2023 | 12°F 1988 | 9% | |
| May 3 | 61°F | 32°F | 81°F 1947 | 20°F 1948 | 8% | |
| May 4 | 61°F | 32°F | 80°F 1947 | 15°F 1950 | 8% | |
| May 5 | 61°F | 33°F | 80°F 1947 | 13°F 1982 | 8% | |
| May 6 | 62°F | 33°F | 79°F 1992 | 17°F 2010 | 7% | |
| May 7 | 62°F | 33°F | 83°F 1987 | 14°F 2010 | 7% | |
| May 8 | 62°F | 33°F | 80°F 1947 | 13°F 1911 | 7% | |
| May 9 | 63°F | 34°F | 80°F 1947 | 14°F 1990 | 6% | |
| May 10 | 63°F | 34°F | 80°F 1954 | 18°F 1999 | 6% | |
| May 11 | 63°F | 34°F | 81°F 1941 | 15°F 1921 | 6% | |
| May 12 | 64°F | 34°F | 79°F 2007 | 20°F 2014 | 6% | |
| May 13 | 64°F | 35°F | 79°F 1988 | 20°F 1912 | 5% | |
| May 14 | 64°F | 35°F | 82°F 1936 | 15°F 1916 | 5% | |
| May 15 | 65°F | 35°F | 82°F 1987 | 13°F 1916 | 5% | |
| May 16 | 65°F | 35°F | 80°F 1927 | 10°F 1916 | 5% | |
| May 17 | 65°F | 36°F | 78°F 1948 | 15°F 1916 | 4% | |
| May 18 | 65°F | 36°F | 82°F 1948 | 20°F 1942 | 4% | |
| May 19 | 66°F | 36°F | 87°F 1954 | 18°F 1931 | 4% | |
| May 20 | 66°F | 36°F | 84°F 1954 | 18°F 2022 | 4% | |
| May 21 | 66°F | 37°F | 81°F 1926 | 21°F 1908 | 4% | |
| May 22 | 67°F | 37°F | 82°F 1958 | 21°F 1953 | 3% | |
| May 23 | 67°F | 37°F | 84°F 1926 | 18°F 1966 | 3% | |
| May 24 | 67°F | 37°F | 87°F 1926 | 25°F 1966 | 3% | |
| May 25 | 67°F | 37°F | 82°F 1934 | 19°F 1975 | 3% | |
| May 26 | 68°F | 38°F | 84°F 2022 | 23°F 1989 | 3% | |
| May 27 | 68°F | 38°F | 82°F 1936 | 24°F 1955 | 3% | |
| May 28 | 68°F | 38°F | 86°F 2003 | 22°F 1933 | 3% | |
| May 29 | 68°F | 38°F | 86°F 2003 | 24°F 1947 | 2% | |
| May 30 | 68°F | 38°F | 86°F 1914 | 25°F 1922 | 2% | |
| May 31 | 69°F | 38°F | 89°F 1914 | 23°F 1942 | 2% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (MDT).
- May 1
- sunrise 6:17 AM, sunset 8:28 PM
- May 31
- sunrise 5:46 AM, sunset 8:59 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00102676 (Driggs), public domain. Records: NOAA GHCN-Daily, station USC00102676, 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.