December weather in Deaver, WY
The average temperature in Deaver in December is 20.9°F (8.8°F–32.9°F). Average precipitation: 0.15 inches. Average snowfall is 2.3 inches.
December is a winter month in Deaver, and is cooler than the annual average of 46.1°F. Daily temperatures swing about 24.1°F between overnight low and afternoon high. Expect about 2 days with precipitation. Daylight averages about 8h 36m. For travel, December is cold.
Avg High
32.9°F
Avg Low
8.8°F
Precipitation
0.15 in
Snow
2.3 in
December records in Deaver
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 63.0°F (1999) | -18.0°F (2014) | 0.24 in (1978) |
| December 2 | 60.1°F (2021) | -24.0°F (1985) | 0.23 in (1991) |
| December 3 | 66.0°F (2021) | -18.0°F (1919) | 0.07 in (1952) |
| December 4 | 64.9°F (1995) | -11.9°F (1919) | 0.14 in (1920) |
| December 5 | 60.1°F (1965) | -35.0°F (1972) | 0.15 in (2011) |
| December 6 | 63.0°F (1939) | -34.1°F (1972) | 0.10 in (1919) |
| December 7 | 63.0°F (1981) | -18.9°F (1956) | 0.25 in (1950) |
| December 8 | 55.9°F (2003) | -32.1°F (1972) | 0.06 in (1936) |
| December 9 | 60.1°F (1957) | -35.0°F (1972) | 0.08 in (1917) |
| December 10 | 64.0°F (2015) | -34.1°F (1972) | 0.11 in (1917) |
| December 11 | 55.0°F (1981) | -32.1°F (1932) | 0.38 in (1988) |
| December 12 | 60.1°F (1995) | -32.1°F (1919) | 0.41 in (1985) |
| December 13 | 54.0°F (1929) | -42.0°F (1919) | 0.40 in (1989) |
| December 14 | 57.0°F (1924) | -29.9°F (1919) | 0.10 in (1992) |
| December 15 | 63.0°F (2021) | -20.9°F (1972) | 0.25 in (1947) |
| December 16 | 61.0°F (1939) | -23.1°F (1964) | 0.65 in (1947) |
| December 17 | 59.0°F (2025) | -32.1°F (1964) | 0.25 in (1929) |
| December 18 | 61.0°F (1998) | -38.0°F (1924) | 0.08 in (1924) |
| December 19 | 55.9°F (1917) | -38.0°F (1924) | 0.11 in (1937) |
| December 20 | 55.0°F (1957) | -33.0°F (1924) | 0.19 in (1989) |
| December 21 | 59.0°F (1933) | -36.9°F (1990) | 0.12 in (1999) |
| December 22 | 71.1°F (1917) | -38.0°F (1990) | 0.20 in (1944) |
| December 23 | 57.0°F (2021) | -27.9°F (1983) | 0.30 in (2013) |
| December 24 | 53.1°F (2021) | -34.1°F (1983) | 0.20 in (1925) |
| December 25 | 57.9°F (2025) | -23.1°F (1944) | 0.21 in (1933) |
| December 26 | 60.1°F (2025) | -33.0°F (2003) | 0.30 in (1967) |
| December 27 | 63.0°F (1980) | -31.0°F (1916) | 0.10 in (1920) |
| December 28 | 63.0°F (1980) | -29.9°F (1916) | 0.12 in (1953) |
| December 29 | 59.0°F (1998) | -29.0°F (1916) | 0.10 in (1963) |
| December 30 | 48.9°F (1920) | -34.1°F (1978) | 0.30 in (1932) |
| December 31 | 50.0°F (1935) | -35.0°F (1978) | 0.10 in (2000) |