Thermopolis Weather in January
Average highs run from 37°F on January 1 to 38°F on January 31, and lows from 11°F to 13°F. Normal precipitation for the month is 0.39 in over about 3 wet days.
January day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
January at a glance
- Average high
- 37°F
- Average low
- 12°F
- Precipitation
- 0.39 in
- Snowfall
- 5.4 in
- Record high
- 67°FJan 9, 1953
- Record low
- -44°FJan 16, 1930
- Chance of a freeze
- 100%
- Daylight
- 9 h 01 min to 9 h 53 min
- Cloud cover
- 63%
- Humidity
- 67%
- Dew point
- 15°F
- Wind
- 8.3 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 |
|---|---|---|---|---|---|---|
| Jan 1 | 37°F | 11°F | 63°F 1997 | -29°F 1924 | 10% | 9% |
| Jan 2 | 37°F | 11°F | 62°F 1997 | -32°F 1911 | 10% | 9% |
| Jan 3 | 37°F | 11°F | 56°F 2026 | -35°F 1910 | 10% | 9% |
| Jan 4 | 37°F | 11°F | 58°F 2026 | -30°F 1959 | 10% | 9% |
| Jan 5 | 37°F | 11°F | 65°F 1927 | -30°F 1959 | 10% | 9% |
| Jan 6 | 37°F | 11°F | 57°F 1935 | -29°F 1910 | 10% | 9% |
| Jan 7 | 37°F | 11°F | 56°F 2006 | -27°F 1937 | 10% | 9% |
| Jan 8 | 37°F | 11°F | 61°F 2002 | -26°F 1937 | 10% | 9% |
| Jan 9 | 37°F | 11°F | 67°F 1953 | -29°F 1937 | 10% | 9% |
| Jan 10 | 37°F | 11°F | 59°F 1995 | -30°F 1962 | 10% | 9% |
| Jan 11 | 37°F | 11°F | 66°F 1953 | -27°F 1963 | 10% | 9% |
| Jan 12 | 37°F | 11°F | 59°F 1953 | -38°F 1963 | 10% | 9% |
| Jan 13 | 37°F | 11°F | 62°F 2021 | -30°F 2024 | 10% | 9% |
| Jan 14 | 37°F | 11°F | 64°F 2026 | -32°F 1930 | 10% | 9% |
| Jan 15 | 37°F | 11°F | 63°F 2026 | -17°F 1932 | 10% | 9% |
| Jan 16 | 37°F | 11°F | 58°F 2000 | -44°F 1930 | 10% | 9% |
| Jan 17 | 37°F | 12°F | 57°F 1961 | -23°F 1916 | 10% | 9% |
| Jan 18 | 37°F | 12°F | 56°F 1999 | -27°F 1940 | 10% | 9% |
| Jan 19 | 37°F | 12°F | 56°F 1911 | -32°F 1922 | 10% | 9% |
| Jan 20 | 38°F | 12°F | 55°F 1908 | -39°F 1930 | 10% | 9% |
| Jan 21 | 38°F | 12°F | 58°F 1950 | -30°F 1935 | 10% | 9% |
| Jan 22 | 38°F | 12°F | 57°F 1950 | -31°F 1962 | 10% | 9% |
| Jan 23 | 38°F | 12°F | 58°F 1934 | -25°F 1963 | 10% | 9% |
| Jan 24 | 38°F | 12°F | 62°F 1934 | -39°F 1949 | 10% | 9% |
| Jan 25 | 38°F | 12°F | 60°F 1911 | -35°F 1949 | 10% | 9% |
| Jan 26 | 38°F | 12°F | 56°F 1951 | -38°F 1902 | 11% | 9% |
| Jan 27 | 38°F | 12°F | 63°F 1935 | -33°F 1902 | 11% | 9% |
| Jan 28 | 38°F | 12°F | 61°F 1935 | -31°F 1902 | 11% | 9% |
| Jan 29 | 38°F | 13°F | 57°F 1935 | -33°F 1916 | 11% | 9% |
| Jan 30 | 38°F | 13°F | 63°F 1911 | -28°F 2023 | 11% | 9% |
| Jan 31 | 38°F | 13°F | 63°F 1935 | -29°F 1918 | 11% | 9% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (MST).
- January 1
- sunrise 7:46 AM, sunset 4:47 PM
- January 31
- sunrise 7:30 AM, sunset 5:23 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00488875 (Thermopolis), public domain. Records: NOAA GHCN-Daily, station USC00488875, 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.