January weather in Boulder, UT
The average temperature in Boulder in January is 30.4°F (21.3°F–39.5°F). Average precipitation: 1.07 inches. Average snowfall is 15.7 inches.
January is a winter month in Boulder, and is cooler than the annual average of 50.3°F. Daily temperatures swing about 18.2°F between overnight low and afternoon high. Expect about 6 days with precipitation. Daylight averages about 9h 39m. For travel, January is cold.
Avg High
39.5°F
Avg Low
21.3°F
Precipitation
1.07 in
Snow
15.7 in
January records in Boulder
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| January 1 | 57.0°F (1981) | -8.0°F (1960) | 0.39 in (2015) |
| January 2 | 50.0°F (1981) | -9.0°F (1979) | 0.70 in (1955) |
| January 3 | 55.9°F (1996) | -7.1°F (1974) | 0.31 in (1977) |
| January 4 | 55.0°F (1996) | -4.0°F (1971) | 0.63 in (2005) |
| January 5 | 53.1°F (1994) | -15.0°F (1971) | 0.59 in (1974) |
| January 6 | 54.0°F (2022) | -13.0°F (1971) | 0.81 in (1992) |
| January 7 | 59.0°F (1999) | -8.0°F (1971) | 0.24 in (2016) |
| January 8 | 57.9°F (1990) | -7.1°F (1973) | 0.47 in (2005) |
| January 9 | 57.0°F (1956) | -0.9°F (1963) | 0.43 in (1979) |
| January 10 | 57.0°F (2000) | 3.0°F (1962) | 0.45 in (1993) |
| January 11 | 55.9°F (1996) | -4.0°F (1963) | 1.30 in (2005) |
| January 12 | 61.0°F (1996) | -16.1°F (1963) | 0.83 in (2001) |
| January 13 | 55.0°F (1996) | -14.1°F (1963) | 1.51 in (1997) |
| January 14 | 59.0°F (1996) | -7.1°F (2013) | 0.62 in (1969) |
| January 15 | 57.0°F (1956) | -2.9°F (2013) | 0.36 in (2023) |
| January 16 | 54.0°F (1976) | -0.9°F (1960) | 0.28 in (2019) |
| January 17 | 57.9°F (2011) | 0.0°F (1987) | 0.84 in (1979) |
| January 18 | 62.1°F (1971) | -5.1°F (1984) | 0.70 in (1988) |
| January 19 | 57.9°F (2000) | -2.0°F (1984) | 0.44 in (1978) |
| January 20 | 55.9°F (1970) | -2.9°F (1960) | 0.51 in (2010) |
| January 21 | 55.0°F (1981) | -2.9°F (1966) | 0.75 in (1962) |
| January 22 | 61.0°F (1970) | 0.0°F (1955) | 1.08 in (2010) |
| January 23 | 57.9°F (1970) | -2.0°F (1955) | 0.85 in (2017) |
| January 24 | 57.0°F (1970) | 1.9°F (1964) | 0.27 in (2008) |
| January 25 | 63.0°F (1975) | 6.1°F (1974) | 0.85 in (1969) |
| January 26 | 57.0°F (1975) | 3.0°F (1996) | 0.42 in (1995) |
| January 27 | 55.0°F (1971) | -2.0°F (1979) | 0.56 in (2005) |
| January 28 | 55.9°F (1986) | -4.0°F (1979) | 0.30 in (1968) |
| January 29 | 55.9°F (1971) | -2.0°F (1957) | 0.78 in (1980) |
| January 30 | 61.0°F (1971) | -9.0°F (1979) | 0.59 in (1993) |
| January 31 | 62.1°F (1971) | -7.1°F (1979) | 1.05 in (1993) |