February weather in Janesville, IA
The average temperature in Janesville in February is 23.9°F (15.2°F–32.6°F). Average precipitation: 1.14 inches. Average snowfall is 9.3 inches.
February is a winter month in Janesville, and is cooler than the annual average of 49°F. Daily temperatures swing about 17.4°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 10h 19m. For travel, February is cold.
Avg High
32.6°F
Avg Low
15.2°F
Precipitation
1.14 in
Snow
9.3 in
February records in Janesville
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| February 1 | 57.0°F (2024) | -23.1°F (1951) | 1.08 in (1973) |
| February 2 | 55.0°F (2006) | -31.0°F (1996) | 0.45 in (1983) |
| February 3 | 48.0°F (1992) | -31.0°F (1996) | 0.30 in (2016) |
| February 4 | 54.0°F (1964) | -25.1°F (1996) | 1.24 in (1986) |
| February 5 | 57.0°F (2024) | -24.0°F (1979) | 0.50 in (1986) |
| February 6 | 55.9°F (2024) | -18.9°F (1982) | 0.29 in (2005) |
| February 7 | 52.0°F (1987) | -18.0°F (1971) | 0.22 in (1986) |
| February 8 | 64.0°F (2024) | -27.0°F (1971) | 1.16 in (1966) |
| February 9 | 57.0°F (1976) | -27.0°F (1951) | 0.62 in (1965) |
| February 10 | 57.0°F (1977) | -22.0°F (1994) | 0.47 in (2013) |
| February 11 | 57.9°F (1999) | -24.9°F (2014) | 0.44 in (1953) |
| February 12 | 63.0°F (1990) | -22.0°F (1986) | 0.22 in (2019) |
| February 13 | 54.0°F (2026) | -18.0°F (1986) | 0.58 in (2005) |
| February 14 | 59.0°F (1954) | -20.0°F (1951) | 0.82 in (2023) |
| February 15 | 61.0°F (2026) | -18.0°F (1963) | 0.30 in (1983) |
| February 16 | 66.0°F (2026) | -18.8°F (2021) | 0.43 in (1976) |
| February 17 | 69.1°F (2017) | -18.0°F (1958) | 0.79 in (2008) |
| February 18 | 64.0°F (1981) | -18.9°F (2006) | 1.18 in (1961) |
| February 19 | 66.9°F (2017) | -15.0°F (1959) | 0.51 in (1971) |
| February 20 | 59.0°F (1981) | -13.9°F (2021) | 1.14 in (2011) |
| February 21 | 62.1°F (2017) | -13.0°F (1963) | 0.96 in (1974) |
| February 22 | 69.1°F (2017) | -9.9°F (1972) | 1.32 in (1981) |
| February 23 | 59.0°F (2002) | -11.9°F (1989) | 0.62 in (1985) |
| February 24 | 61.0°F (2002) | -16.1°F (1993) | 0.57 in (2007) |
| February 25 | 64.9°F (2000) | -14.1°F (1967) | 0.65 in (2008) |
| February 26 | 78.1°F (2024) | -11.9°F (1963) | 0.67 in (1951) |
| February 27 | 66.9°F (2024) | -23.8°F (2015) | 1.10 in (2023) |
| February 28 | 61.0°F (2000) | -29.0°F (1962) | 0.90 in (1987) |
| February 29 | 60.1°F (2000) | -8.0°F (1960) | 0.40 in (2012) |