March weather in South Beloit, IL
The average temperature in South Beloit in March is 32.7°F (23.8°F–41.5°F). Average precipitation: 2.13 inches. Average snowfall is 4.3 inches.
March is a spring month in South Beloit, and is cooler than the annual average of 45.4°F. Daily temperatures swing about 17.7°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 11h 42m. For travel, March is cold.
Avg High
41.5°F
Avg Low
23.8°F
Precipitation
2.13 in
Snow
4.3 in
March records in South Beloit
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| March 1 | 62.1°F (2000) | -13.0°F (1962) | 0.51 in (1987) |
| March 2 | 64.0°F (1992) | -9.9°F (1913) | 1.21 in (1991) |
| March 3 | 70.0°F (1974) | -8.0°F (1913) | 0.78 in (1951) |
| March 4 | 72.0°F (1983) | -9.0°F (2019) | 1.20 in (1920) |
| March 5 | 69.1°F (1983) | -9.9°F (1912) | 1.43 in (1964) |
| March 6 | 72.0°F (1983) | -9.0°F (1912) | 0.90 in (1961) |
| March 7 | 69.1°F (2000) | -4.0°F (1920) | 1.45 in (1973) |
| March 8 | 77.0°F (2000) | -9.0°F (1943) | 0.98 in (1961) |
| March 9 | 73.9°F (2000) | -2.9°F (1996) | 1.08 in (1990) |
| March 10 | 73.0°F (2026) | 0.0°F (2003) | 1.10 in (1935) |
| March 11 | 68.0°F (1955) | -6.0°F (1943) | 0.90 in (2026) |
| March 12 | 68.0°F (1990) | -4.0°F (1948) | 2.00 in (2010) |
| March 13 | 70.0°F (1957) | -4.0°F (1896) | 2.34 in (2006) |
| March 14 | 72.0°F (2007) | -2.0°F (1896) | 1.29 in (1944) |
| March 15 | 78.1°F (2025) | -2.0°F (1900) | 1.40 in (1943) |
| March 16 | 79.0°F (2012) | -2.0°F (1900) | 1.11 in (2026) |
| March 17 | 78.1°F (2012) | -4.0°F (1941) | 0.73 in (1965) |
| March 18 | 79.0°F (2012) | -0.9°F (1941) | 1.10 in (1898) |
| March 19 | 78.1°F (2012) | -8.0°F (1923) | 1.80 in (1948) |
| March 20 | 81.0°F (1921) | 3.0°F (1965) | 1.05 in (2020) |
| March 21 | 81.0°F (2012) | 5.0°F (1965) | 0.80 in (1913) |
| March 22 | 82.0°F (2012) | 5.0°F (1906) | 3.80 in (1916) |
| March 23 | 81.0°F (1939) | 3.9°F (1916) | 1.32 in (1993) |
| March 24 | 78.1°F (1939) | 5.0°F (1965) | 1.45 in (1975) |
| March 25 | 78.1°F (1910) | 1.0°F (1974) | 2.70 in (2009) |
| March 26 | 75.9°F (1907) | 3.9°F (1960) | 1.60 in (2024) |
| March 27 | 80.1°F (1945) | 7.0°F (1965) | 1.25 in (1898) |
| March 28 | 80.1°F (1945) | 8.1°F (1923) | 1.25 in (1907) |
| March 29 | 82.0°F (1910) | 9.0°F (1894) | 1.41 in (1988) |
| March 30 | 84.0°F (1986) | 7.0°F (1954) | 0.71 in (1979) |
| March 31 | 82.0°F (2026) | 8.1°F (1923) | 1.50 in (1926) |