December weather in Wamsutter, WY
The average temperature in Wamsutter in December is 19.5°F (9.1°F–29.9°F). Average precipitation: 0.53 inches. Average snowfall is 8.8 inches.
December is a winter month in Wamsutter, and is cooler than the annual average of 42.3°F. Daily temperatures swing about 20.8°F between overnight low and afternoon high. Expect about 5 days with precipitation. Daylight averages about 8h 59m. For travel, December is cold.
Avg High
29.9°F
Avg Low
9.1°F
Precipitation
0.53 in
Snow
8.8 in
December records in Wamsutter
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 55.0°F (2021) | -23.1°F (1991) | 0.40 in (1897) |
| December 2 | 60.1°F (2021) | -9.0°F (1984) | 0.20 in (1897) |
| December 3 | 53.1°F (2021) | -8.0°F (1978) | 0.41 in (2013) |
| December 4 | 54.0°F (2021) | -24.0°F (2013) | 0.20 in (1954) |
| December 5 | 51.1°F (1949) | -27.0°F (2013) | 0.25 in (2019) |
| December 6 | 52.0°F (1981) | -20.0°F (2013) | 0.30 in (1899) |
| December 7 | 50.0°F (1981) | -11.9°F (1897) | 1.35 in (1974) |
| December 8 | 59.0°F (1973) | -23.1°F (1978) | 0.12 in (2022) |
| December 9 | 53.1°F (1933) | -26.0°F (1898) | 0.21 in (2021) |
| December 10 | 54.0°F (1933) | -20.0°F (1898) | 0.11 in (1970) |
| December 11 | 53.1°F (1933) | -26.0°F (1985) | 0.13 in (2016) |
| December 12 | 52.0°F (1933) | -26.0°F (1985) | 0.68 in (1958) |
| December 13 | 50.0°F (2025) | -29.9°F (1932) | 0.44 in (2022) |
| December 14 | 51.1°F (2025) | -25.1°F (1932) | 0.15 in (2014) |
| December 15 | 53.1°F (2025) | -26.0°F (1897) | 0.21 in (1992) |
| December 16 | 50.0°F (2025) | -26.0°F (1931) | 0.25 in (1964) |
| December 17 | 51.1°F (1969) | -33.0°F (1964) | 0.12 in (2008) |
| December 18 | 50.0°F (1998) | -23.1°F (1964) | 0.16 in (1929) |
| December 19 | 52.0°F (2025) | -14.1°F (1899) | 0.18 in (2010) |
| December 20 | 54.0°F (1929) | -26.0°F (1990) | 0.55 in (2010) |
| December 21 | 57.9°F (1929) | -32.1°F (1983) | 0.30 in (2010) |
| December 22 | 55.9°F (2025) | -32.1°F (2022) | 0.15 in (2018) |
| December 23 | 52.0°F (2025) | -29.0°F (1990) | 0.33 in (1964) |
| December 24 | 73.9°F (1936) | -24.0°F (1978) | 0.26 in (2023) |
| December 25 | 77.0°F (1936) | -23.1°F (1962) | 0.54 in (2019) |
| December 26 | 77.0°F (1936) | -11.9°F (1962) | 0.17 in (2008) |
| December 27 | 79.0°F (1936) | -24.0°F (1930) | 0.28 in (1948) |
| December 28 | 75.9°F (1936) | -20.9°F (2015) | 0.32 in (1934) |
| December 29 | 77.0°F (1936) | -22.0°F (1932) | 0.08 in (1934) |
| December 30 | 72.0°F (1936) | -27.0°F (1978) | 0.58 in (2010) |
| December 31 | 78.1°F (1936) | -31.0°F (2014) | 0.11 in (1975) |