March weather in Hanover, IL
The average temperature in Hanover in March is 35.5°F (25.4°F–45.5°F). Average precipitation: 2.33 inches. Average snowfall is 3.5 inches.
March is a spring month in Hanover, and is cooler than the annual average of 47.5°F. Daily temperatures swing about 20.1°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 11h 42m. For travel, March is cool.
Avg High
45.5°F
Avg Low
25.4°F
Precipitation
2.33 in
Snow
3.5 in
March records in Hanover
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| March 1 | 62.1°F (2000) | -20.0°F (2015) | 0.70 in (1987) |
| March 2 | 66.0°F (1992) | -2.9°F (1995) | 1.37 in (1991) |
| March 3 | 66.0°F (1992) | -13.0°F (2014) | 0.51 in (1993) |
| March 4 | 73.9°F (2024) | -13.0°F (2014) | 1.69 in (1989) |
| March 5 | 66.0°F (1992) | -8.0°F (2019) | 0.95 in (2024) |
| March 6 | 70.0°F (2000) | -9.9°F (2015) | 0.54 in (2013) |
| March 7 | 71.1°F (2000) | -2.9°F (1996) | 0.96 in (2009) |
| March 8 | 78.1°F (2000) | -4.0°F (1996) | 1.17 in (2009) |
| March 9 | 78.1°F (2000) | -4.0°F (1995) | 0.99 in (1999) |
| March 10 | 71.1°F (2026) | 0.0°F (1996) | 0.83 in (2020) |
| March 11 | 69.1°F (2025) | 7.0°F (2009) | 0.70 in (2013) |
| March 12 | 70.0°F (2024) | -15.0°F (1998) | 1.30 in (2006) |
| March 13 | 78.1°F (1990) | 3.9°F (2022) | 0.92 in (2019) |
| March 14 | 71.1°F (1995) | 12.0°F (2017) | 2.72 in (1985) |
| March 15 | 79.0°F (2025) | 3.9°F (1993) | 0.30 in (2024) |
| March 16 | 82.0°F (2012) | 7.0°F (1997) | 2.11 in (2016) |
| March 17 | 80.1°F (2012) | 5.0°F (2026) | 0.32 in (2023) |
| March 18 | 81.0°F (2012) | 3.9°F (2026) | 0.59 in (1998) |
| March 19 | 80.1°F (2012) | 9.0°F (2023) | 0.61 in (2022) |
| March 20 | 77.0°F (2012) | 9.0°F (2013) | 1.70 in (2012) |
| March 21 | 82.0°F (2012) | 8.1°F (2013) | 1.70 in (2011) |
| March 22 | 82.0°F (2012) | 8.1°F (2013) | 0.57 in (1993) |
| March 23 | 73.9°F (2012) | 14.0°F (2014) | 1.22 in (1993) |
| March 24 | 70.0°F (1994) | 14.0°F (2014) | 0.98 in (2021) |
| March 25 | 77.0°F (2007) | 15.1°F (2014) | 0.90 in (2023) |
| March 26 | 78.1°F (2007) | 10.0°F (2014) | 0.47 in (1991) |
| March 27 | 78.1°F (1991) | 10.0°F (2014) | 1.15 in (1991) |
| March 28 | 75.9°F (1989) | 16.0°F (2015) | 1.01 in (2020) |
| March 29 | 78.1°F (2025) | 17.1°F (2015) | 0.84 in (1988) |
| March 30 | 84.9°F (1986) | 17.1°F (1991) | 1.05 in (2017) |
| March 31 | 81.0°F (2026) | 14.0°F (1987) | 1.73 in (1998) |