December weather in Star Valley Ranch, WY
The average temperature in Star Valley Ranch in December is 17.5°F (6.7°F–28.3°F). Average precipitation: 2.10 inches.
December is a winter month in Star Valley Ranch, and is cooler than the annual average of 38.6°F. Daily temperatures swing about 21.6°F between overnight low and afternoon high. Expect about 12 days with precipitation. Daylight averages about 8h 50m. For travel, December is cold.
Avg High
28.3°F
Avg Low
6.7°F
Precipitation
2.10 in
Daylight
8h 50m
December records in Star Valley Ranch
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 53.1°F (1995) | -14.1°F (1991) | 0.76 in (1975) |
| December 2 | 53.1°F (2021) | -9.9°F (2006) | 1.78 in (1977) |
| December 3 | 60.1°F (2021) | -15.0°F (1984) | 0.75 in (1977) |
| December 4 | 54.0°F (2021) | -16.1°F (1992) | 0.45 in (2023) |
| December 5 | 52.0°F (2021) | -13.0°F (2013) | 0.83 in (1995) |
| December 6 | 52.0°F (2021) | -23.1°F (2005) | 0.42 in (2012) |
| December 7 | 46.0°F (2008) | -27.0°F (2005) | 0.53 in (2003) |
| December 8 | 48.0°F (1976) | -24.0°F (2005) | 0.57 in (1997) |
| December 9 | 48.9°F (1975) | -20.9°F (2013) | 0.52 in (2000) |
| December 10 | 52.0°F (2015) | -20.0°F (2013) | 0.41 in (2016) |
| December 11 | 48.0°F (1993) | -20.0°F (1985) | 0.50 in (2021) |
| December 12 | 46.9°F (2014) | -17.0°F (1997) | 0.30 in (1996) |
| December 13 | 55.0°F (2014) | -14.1°F (1978) | 0.69 in (2006) |
| December 14 | 44.1°F (2010) | -15.0°F (1987) | 0.34 in (1977) |
| December 15 | 48.0°F (1979) | -14.1°F (1987) | 0.67 in (2021) |
| December 16 | 43.0°F (1979) | -11.9°F (2010) | 0.34 in (2002) |
| December 17 | 44.1°F (1994) | -13.0°F (2006) | 0.63 in (2024) |
| December 18 | 39.9°F (1979) | -17.0°F (2006) | 0.48 in (2020) |
| December 19 | 44.1°F (1979) | -16.1°F (1998) | 0.58 in (2010) |
| December 20 | 45.0°F (2023) | -24.0°F (1990) | 0.31 in (1999) |
| December 21 | 45.0°F (1982) | -34.1°F (1990) | 0.59 in (1996) |
| December 22 | 43.0°F (2005) | -36.9°F (1990) | 0.76 in (1979) |
| December 23 | 39.9°F (2005) | -27.9°F (1990) | 0.32 in (2017) |
| December 24 | 41.0°F (2003) | -20.0°F (1987) | 0.45 in (2021) |
| December 25 | 43.0°F (1979) | -14.1°F (2001) | 0.80 in (1996) |
| December 26 | 45.0°F (1976) | -13.0°F (1997) | 0.50 in (1996) |
| December 27 | 45.0°F (1980) | -18.9°F (2015) | 0.76 in (2005) |
| December 28 | 46.0°F (1980) | -22.0°F (1982) | 0.97 in (1995) |
| December 29 | 43.0°F (2008) | -29.0°F (1990) | 1.03 in (2005) |
| December 30 | 45.0°F (2017) | -32.1°F (1978) | 0.57 in (2004) |
| December 31 | 53.1°F (1992) | -32.1°F (1978) | 0.50 in (2002) |