January weather in Jamestown, CO
The average temperature in Jamestown in January is °F (°F–°F). Average precipitation: 2.24 inches.
January is a winter month in Jamestown, and is cooler than the annual average of 0°F. Expect about 12 days with precipitation. Daylight averages about 9h 27m.
Avg High
°F
Avg Low
°F
Precipitation
2.24 in
Daylight
9h 27m
January records in Jamestown
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| January 1 | 72.3°F (2006) | -13.5°F (2019) | 0.30 in (1982) |
| January 2 | 75.2°F (2006) | -11.6°F (2002) | 0.40 in (2004) |
| January 3 | 63.7°F (2006) | -9.6°F (2013) | 0.50 in (1996) |
| January 4 | 46.2°F (2012) | -11.6°F (2009) | 0.90 in (2017) |
| January 5 | 50.7°F (2012) | -15.7°F (2017) | 0.80 in (2022) |
| January 6 | 43.2°F (1992) | -23.8°F (2017) | 0.60 in (2022) |
| January 7 | 55.2°F (2003) | -11.2°F (2025) | 0.40 in (1995) |
| January 8 | 51.8°F (2003) | -11.0°F (2025) | 0.50 in (2017) |
| January 9 | 69.6°F (2006) | -4.0°F (2011) | 0.70 in (2017) |
| January 10 | 45.3°F (1990) | -13.5°F (2011) | 1.00 in (2000) |
| January 11 | 73.6°F (2006) | -22.5°F (1997) | 0.80 in (2019) |
| January 12 | 64.0°F (2006) | -22.5°F (1997) | 0.50 in (1997) |
| January 13 | 57.2°F (2007) | -20.6°F (2013) | 0.40 in (2024) |
| January 14 | 76.8°F (2006) | -21.6°F (2013) | 0.60 in (2024) |
| January 15 | 75.2°F (2006) | -20.0°F (2024) | 0.50 in (2023) |
| January 16 | 45.3°F (2010) | -12.5°F (2008) | 0.40 in (1982) |
| January 17 | 43.2°F (2009) | -12.8°F (2001) | 0.90 in (2011) |
| January 18 | 47.5°F (2018) | -10.7°F (1992) | 0.60 in (1999) |
| January 19 | 70.2°F (2007) | -9.9°F (2025) | 0.60 in (2000) |
| January 20 | 77.5°F (2006) | -14.3°F (2025) | 0.30 in (1987) |
| January 21 | 57.9°F (2007) | -18.6°F (1991) | 0.60 in (1999) |
| January 22 | 84.7°F (2007) | -13.2°F (2015) | 0.30 in (2000) |
| January 23 | 74.5°F (2006) | -4.5°F (2014) | 0.60 in (1990) |
| January 24 | 79.7°F (2007) | -3.1°F (2008) | 0.60 in (2009) |
| January 25 | 72.0°F (2007) | -9.9°F (2022) | 0.60 in (1996) |
| January 26 | 53.8°F (2015) | -9.0°F (2021) | 0.40 in (1997) |
| January 27 | 53.6°F (2015) | -4.0°F (1990) | 0.50 in (2014) |
| January 28 | 46.4°F (1992) | -11.7°F (1991) | 0.90 in (1989) |
| January 29 | 45.3°F (2007) | -14.8°F (1991) | 0.50 in (2005) |
| January 30 | 48.2°F (2024) | -16.8°F (1994) | 1.30 in (2005) |
| January 31 | 73.8°F (2006) | -19.7°F (1994) | 1.00 in (1996) |