January weather in Afton, WY
The average temperature in Afton in January is 15.3°F (4.8°F–25.7°F). Average precipitation: 1.25 inches. Average snowfall is 21.8 inches.
January is a winter month in Afton, and is cooler than the annual average of 38.5°F. Daily temperatures swing about 20.9°F between overnight low and afternoon high. Expect about 12 days with precipitation. Daylight averages about 9h 11m. For travel, January is cold.
Avg High
25.7°F
Avg Low
4.8°F
Precipitation
1.25 in
Snow
21.8 in
January records in Afton
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| January 1 | 48.9°F (1997) | -45.9°F (1979) | 0.33 in (2020) |
| January 2 | 48.9°F (1997) | -40.0°F (1974) | 0.83 in (2004) |
| January 3 | 42.1°F (2007) | -38.9°F (1974) | 0.21 in (1997) |
| January 4 | 41.0°F (1965) | -31.0°F (1971) | 0.65 in (1996) |
| January 5 | 48.9°F (1997) | -29.0°F (1971) | 0.41 in (2017) |
| January 6 | 44.1°F (1969) | -38.9°F (1971) | 0.41 in (2022) |
| January 7 | 45.0°F (1966) | -38.0°F (1979) | 0.67 in (1962) |
| January 8 | 46.0°F (2009) | -36.9°F (1979) | 0.60 in (1975) |
| January 9 | 46.0°F (1990) | -29.9°F (1979) | 0.59 in (2017) |
| January 10 | 71.1°F (1983) | -34.1°F (1962) | 0.56 in (2000) |
| January 11 | 43.0°F (1959) | -24.0°F (1962) | 0.50 in (1979) |
| January 12 | 43.0°F (1990) | -35.0°F (1963) | 0.70 in (1980) |
| January 13 | 43.0°F (1969) | -27.9°F (1963) | 0.57 in (1980) |
| January 14 | 48.0°F (1973) | -29.0°F (1964) | 0.84 in (1980) |
| January 15 | 48.9°F (1974) | -26.0°F (2007) | 0.32 in (1991) |
| January 16 | 54.0°F (1974) | -20.0°F (2007) | 0.45 in (1959) |
| January 17 | 48.0°F (1974) | -25.1°F (1987) | 0.48 in (2016) |
| January 18 | 44.1°F (1970) | -36.0°F (1984) | 0.76 in (1971) |
| January 19 | 72.0°F (1987) | -34.1°F (1963) | 0.57 in (1998) |
| January 20 | 48.0°F (1967) | -31.0°F (1984) | 0.77 in (1962) |
| January 21 | 46.0°F (2019) | -23.1°F (2025) | 0.24 in (2022) |
| January 22 | 42.1°F (2024) | -36.9°F (1962) | 0.50 in (1970) |
| January 23 | 45.0°F (1970) | -23.1°F (1962) | 0.58 in (1972) |
| January 24 | 46.0°F (1970) | -22.0°F (1962) | 0.35 in (1958) |
| January 25 | 45.0°F (1998) | -27.0°F (1989) | 0.48 in (2009) |
| January 26 | 46.9°F (1982) | -20.9°F (1963) | 0.35 in (1978) |
| January 27 | 45.0°F (2013) | -27.0°F (1961) | 0.49 in (2020) |
| January 28 | 53.1°F (1967) | -29.9°F (1980) | 0.42 in (2013) |
| January 29 | 48.0°F (1986) | -29.9°F (1979) | 0.40 in (1965) |
| January 30 | 48.0°F (1986) | -29.9°F (1979) | 0.44 in (2014) |
| January 31 | 48.0°F (2018) | -31.0°F (1985) | 0.57 in (1963) |