February weather in Janesville, WI
The average temperature in Janesville in February is 23.5°F (14.7°F–32.4°F). Average precipitation: 1.61 inches. Average snowfall is 10.1 inches.
February is a winter month in Janesville, and is cooler than the annual average of 47.8°F. Daily temperatures swing about 17.7°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 10h 19m. For travel, February is cold.
Avg High
32.4°F
Avg Low
14.7°F
Precipitation
1.61 in
Snow
10.1 in
February records in Janesville
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| February 1 | 51.1°F (2012) | -29.9°F (2019) | 1.07 in (1990) |
| February 2 | 46.9°F (2024) | -26.0°F (1996) | 0.49 in (2011) |
| February 3 | 48.0°F (2020) | -31.0°F (1996) | 0.25 in (2016) |
| February 4 | 53.1°F (1992) | -29.0°F (1996) | 0.26 in (1997) |
| February 5 | 48.0°F (1990) | -22.0°F (1996) | 0.44 in (2008) |
| February 6 | 53.1°F (2005) | -18.9°F (2018) | 0.48 in (2008) |
| February 7 | 50.0°F (2017) | -15.0°F (2021) | 0.42 in (2008) |
| February 8 | 55.9°F (1990) | -16.1°F (2021) | 0.51 in (2013) |
| February 9 | 57.9°F (2024) | -9.9°F (2007) | 1.65 in (2001) |
| February 10 | 52.0°F (2009) | -22.0°F (1994) | 0.77 in (2023) |
| February 11 | 57.9°F (1999) | -18.0°F (1994) | 0.48 in (2013) |
| February 12 | 66.0°F (1999) | -18.0°F (2014) | 0.79 in (1998) |
| February 13 | 50.0°F (2023) | -6.0°F (1988) | 0.45 in (1994) |
| February 14 | 52.0°F (2026) | -13.0°F (2020) | 0.51 in (2005) |
| February 15 | 57.9°F (2006) | -13.0°F (2020) | 0.37 in (1992) |
| February 16 | 60.1°F (2026) | -8.0°F (2021) | 0.50 in (2008) |
| February 17 | 64.0°F (2026) | -11.0°F (2021) | 0.74 in (2008) |
| February 18 | 64.0°F (2017) | -15.0°F (2006) | 0.62 in (2008) |
| February 19 | 66.0°F (2017) | -14.1°F (2006) | 0.51 in (2013) |
| February 20 | 66.9°F (2017) | -11.0°F (2015) | 1.32 in (2018) |
| February 21 | 64.9°F (2017) | -6.0°F (2021) | 1.40 in (1997) |
| February 22 | 66.9°F (2017) | -2.0°F (1989) | 0.55 in (1997) |
| February 23 | 71.1°F (2017) | -11.0°F (2015) | 0.99 in (2023) |
| February 24 | 62.1°F (2000) | -11.9°F (1993) | 1.10 in (2019) |
| February 25 | 60.1°F (2002) | -11.9°F (1993) | 0.83 in (2007) |
| February 26 | 69.1°F (2000) | -5.1°F (2014) | 0.45 in (1994) |
| February 27 | 70.0°F (2024) | -13.0°F (1994) | 1.32 in (2023) |
| February 28 | 73.9°F (2024) | -11.9°F (1994) | 0.19 in (2023) |
| February 29 | 59.0°F (2016) | 1.0°F (2008) | 0.36 in (2012) |