February weather in Potomac, IL
The average temperature in Potomac in February is 30.0°F (21.7°F–38.3°F). Average precipitation: 1.96 inches. Average snowfall is 5.2 inches.
February is a winter month in Potomac, and is cooler than the annual average of 52.3°F. Daily temperatures swing about 16.6°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 10h 28m. For travel, February is cold.
Avg High
38.3°F
Avg Low
21.7°F
Precipitation
1.96 in
Snow
5.2 in
February records in Potomac
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| February 1 | 59.0°F (1911) | -9.9°F (1929) | 0.95 in (1968) |
| February 2 | 60.1°F (2020) | -15.0°F (1951) | 1.10 in (2011) |
| February 3 | 62.1°F (2025) | -17.0°F (1996) | 0.77 in (1903) |
| February 4 | 57.9°F (1962) | -14.1°F (1996) | 0.94 in (1942) |
| February 5 | 60.1°F (1927) | -17.0°F (1979) | 2.08 in (1971) |
| February 6 | 57.9°F (1938) | -11.9°F (1982) | 1.80 in (1942) |
| February 7 | 64.9°F (1925) | -11.9°F (2014) | 0.93 in (1933) |
| February 8 | 64.9°F (1925) | -7.1°F (2007) | 0.58 in (1937) |
| February 9 | 64.9°F (1943) | -17.0°F (1933) | 1.00 in (2003) |
| February 10 | 66.9°F (1932) | -13.0°F (1982) | 1.68 in (1959) |
| February 11 | 70.0°F (1999) | -17.0°F (2014) | 1.21 in (1932) |
| February 12 | 64.0°F (1938) | -11.0°F (1917) | 1.48 in (1918) |
| February 13 | 66.9°F (1938) | -25.1°F (1905) | 1.18 in (1950) |
| February 14 | 66.0°F (1954) | -17.0°F (1905) | 1.88 in (1909) |
| February 15 | 69.1°F (1921) | -14.1°F (1905) | 1.82 in (1990) |
| February 16 | 66.0°F (1954) | -7.1°F (1958) | 1.54 in (1954) |
| February 17 | 68.0°F (2017) | -17.0°F (1903) | 1.33 in (1976) |
| February 18 | 68.0°F (2026) | -11.9°F (1936) | 0.66 in (1938) |
| February 19 | 68.0°F (1930) | -11.0°F (1903) | 1.58 in (2002) |
| February 20 | 68.0°F (1930) | -9.0°F (1929) | 1.82 in (1951) |
| February 21 | 68.0°F (1930) | -5.1°F (1963) | 2.30 in (2018) |
| February 22 | 70.0°F (1922) | -6.0°F (1963) | 2.17 in (2023) |
| February 23 | 66.0°F (1930) | -5.1°F (1910) | 1.25 in (1909) |
| February 24 | 71.1°F (1930) | -5.1°F (1967) | 1.08 in (1985) |
| February 25 | 73.0°F (2000) | -5.1°F (1914) | 2.00 in (2001) |
| February 26 | 73.0°F (2024) | -16.1°F (1963) | 1.07 in (1936) |
| February 27 | 72.0°F (2024) | -11.0°F (1934) | 1.65 in (1997) |
| February 28 | 64.9°F (2016) | -2.9°F (1993) | 1.49 in (2007) |
| February 29 | 68.0°F (1972) | -0.9°F (1980) | 0.38 in (1952) |