January weather in Sinclair, WY
The average temperature in Sinclair in January is 22.3°F (13.2°F–31.5°F). Average precipitation: 0.42 inches.
January is a winter month in Sinclair, and is cooler than the annual average of 43.1°F. Daily temperatures swing about 18.3°F between overnight low and afternoon high. Expect about 6 days with precipitation. Daylight averages about 9h 17m. For travel, January is cold.
Avg High
31.5°F
Avg Low
13.2°F
Precipitation
0.42 in
Daylight
9h 17m
January records in Sinclair
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| January 1 | 46.0°F (1998) | -27.9°F (1974) | 1.49 in (2023) |
| January 2 | 50.0°F (1981) | -32.1°F (1974) | 10.01 in (1967) |
| January 3 | 48.0°F (1981) | -32.1°F (1974) | 0.21 in (1997) |
| January 4 | 46.9°F (1956) | -36.0°F (1973) | 0.41 in (2017) |
| January 5 | 50.0°F (2012) | -28.8°F (2017) | 0.22 in (1987) |
| January 6 | 50.0°F (1954) | -34.1°F (1979) | 0.18 in (1987) |
| January 7 | 50.0°F (1956) | -33.0°F (1979) | 0.36 in (1992) |
| January 8 | 46.9°F (2003) | -23.1°F (1979) | 0.43 in (1992) |
| January 9 | 48.0°F (1953) | -29.9°F (1962) | 0.15 in (1993) |
| January 10 | 53.1°F (1956) | -35.0°F (1962) | 0.17 in (1978) |
| January 11 | 55.9°F (1953) | -35.0°F (1963) | 0.38 in (2017) |
| January 12 | 50.0°F (1999) | -32.1°F (1963) | 0.23 in (1980) |
| January 13 | 50.0°F (1996) | -19.8°F (2024) | 0.16 in (1980) |
| January 14 | 48.9°F (1995) | -25.1°F (2007) | 0.40 in (2024) |
| January 15 | 50.0°F (2000) | -18.9°F (1992) | 0.38 in (1978) |
| January 16 | 48.0°F (1974) | -20.0°F (1957) | 0.24 in (1956) |
| January 17 | 50.0°F (1961) | -25.1°F (1984) | 0.20 in (2025) |
| January 18 | 46.9°F (2018) | -27.0°F (1984) | 0.22 in (1988) |
| January 19 | 48.0°F (2018) | -36.0°F (1963) | 0.26 in (2011) |
| January 20 | 51.1°F (2005) | -22.9°F (2025) | 0.16 in (2018) |
| January 21 | 48.0°F (1981) | -34.1°F (1962) | 0.26 in (1974) |
| January 22 | 52.0°F (1981) | -34.1°F (1962) | 0.27 in (1965) |
| January 23 | 55.9°F (1981) | -27.9°F (1963) | 0.46 in (2021) |
| January 24 | 46.9°F (1953) | -15.0°F (1978) | 0.20 in (2009) |
| January 25 | 46.9°F (1953) | -14.1°F (1991) | 0.38 in (2009) |
| January 26 | 53.1°F (2015) | -27.0°F (1961) | 0.47 in (2009) |
| January 27 | 55.0°F (2015) | -34.1°F (1961) | 0.37 in (1980) |
| January 28 | 45.0°F (1988) | -18.0°F (1961) | 0.50 in (1975) |
| January 29 | 48.0°F (1986) | -18.0°F (1957) | 0.71 in (1980) |
| January 30 | 48.9°F (1986) | -20.9°F (1985) | 0.20 in (2016) |
| January 31 | 48.9°F (2024) | -32.1°F (1985) | 0.36 in (2011) |