January weather in East Thermopolis, WY
The average temperature in East Thermopolis in January is 24.4°F (11.5°F–37.3°F). Average precipitation: 0.39 inches. Average snowfall is 5.4 inches.
January is a winter month in East Thermopolis, and is cooler than the annual average of 48.6°F. Daily temperatures swing about 25.8°F between overnight low and afternoon high. Expect about 3 days with precipitation. Daylight averages about 9h 6m. For travel, January is cold.
Avg High
37.3°F
Avg Low
11.5°F
Precipitation
0.39 in
Snow
5.4 in
January records in East Thermopolis
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| January 1 | 63.0°F (1997) | -29.0°F (1924) | 0.60 in (1906) |
| January 2 | 62.1°F (1997) | -32.1°F (1911) | 0.33 in (1959) |
| January 3 | 55.9°F (2026) | -35.0°F (1910) | 0.42 in (1922) |
| January 4 | 57.9°F (2026) | -29.9°F (1959) | 0.65 in (1963) |
| January 5 | 64.9°F (1927) | -29.9°F (1959) | 0.70 in (1930) |
| January 6 | 57.0°F (1935) | -29.0°F (1910) | 0.11 in (1925) |
| January 7 | 55.9°F (2006) | -27.0°F (1937) | 0.17 in (1932) |
| January 8 | 61.0°F (2002) | -26.0°F (1937) | 0.25 in (1914) |
| January 9 | 66.9°F (1953) | -29.0°F (1937) | 0.47 in (1924) |
| January 10 | 59.0°F (1995) | -29.9°F (1962) | 0.17 in (1997) |
| January 11 | 66.0°F (1953) | -27.0°F (1963) | 0.53 in (2023) |
| January 12 | 59.0°F (1953) | -38.0°F (1963) | 0.18 in (1927) |
| January 13 | 62.1°F (2021) | -29.9°F (2024) | 0.45 in (1932) |
| January 14 | 64.0°F (2026) | -32.1°F (1930) | 0.53 in (1953) |
| January 15 | 63.0°F (2026) | -17.0°F (1930) | 0.58 in (1949) |
| January 16 | 57.9°F (2000) | -44.0°F (1930) | 1.43 in (1995) |
| January 17 | 57.0°F (1961) | -23.1°F (1916) | 0.23 in (1955) |
| January 18 | 55.9°F (1999) | -27.0°F (1940) | 0.10 in (1930) |
| January 19 | 55.9°F (1911) | -32.1°F (1922) | 0.94 in (1926) |
| January 20 | 55.0°F (1908) | -38.9°F (1930) | 0.40 in (1906) |
| January 21 | 57.9°F (1950) | -29.9°F (1935) | 0.40 in (1932) |
| January 22 | 57.0°F (1950) | -31.0°F (1962) | 0.40 in (1902) |
| January 23 | 57.9°F (1934) | -25.1°F (1963) | 0.70 in (1964) |
| January 24 | 62.1°F (1934) | -38.9°F (1949) | 0.29 in (2017) |
| January 25 | 60.1°F (1911) | -35.0°F (1949) | 0.14 in (2022) |
| January 26 | 55.9°F (1951) | -38.0°F (1902) | 0.05 in (1923) |
| January 27 | 63.0°F (1935) | -33.0°F (1902) | 0.34 in (2020) |
| January 28 | 61.0°F (1935) | -31.0°F (1902) | 0.38 in (1995) |
| January 29 | 57.0°F (1935) | -33.0°F (1916) | 0.48 in (1923) |
| January 30 | 63.0°F (1911) | -27.9°F (2023) | 0.11 in (1928) |
| January 31 | 63.0°F (1935) | -29.0°F (1918) | 0.20 in (1923) |