March weather in Stonington, IL
The average temperature in Stonington in March is °F (°F–°F). Average precipitation: 2.77 inches.
March is a spring month in Stonington, and is cooler than the annual average of 0°F. Expect about 8 days with precipitation. Daylight averages about 11h 44m.
Avg High
°F
Avg Low
°F
Precipitation
2.77 in
Daylight
11h 44m
March records in Stonington
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| March 1 | 66.9°F (2025) | 21.0°F (2020) | 0.60 in (1947) |
| March 2 | 72.0°F (2022) | 16.0°F (2025) | 1.15 in (1945) |
| March 3 | 60.1°F (2024) | 17.1°F (2025) | 0.63 in (1970) |
| March 4 | 73.9°F (2024) | 28.9°F (2023) | 1.88 in (1944) |
| March 5 | 75.0°F (2024) | 27.0°F (2021) | 1.75 in (2004) |
| March 6 | 70.0°F (2022) | 27.0°F (2021) | 1.30 in (1945) |
| March 7 | 77.0°F (2026) | 28.0°F (2025) | 0.80 in (2022) |
| March 8 | 66.0°F (2026) | 28.0°F (2020) | 0.52 in (1942) |
| March 9 | 66.0°F (2021) | 28.0°F (2020) | 0.68 in (1963) |
| March 10 | 70.0°F (2021) | 28.0°F (2022) | 1.72 in (2019) |
| March 11 | 80.1°F (2026) | 21.9°F (2022) | 0.67 in (1952) |
| March 12 | 73.9°F (2025) | 12.0°F (2022) | 0.73 in (2014) |
| March 13 | 73.0°F (2025) | 12.0°F (2022) | 2.68 in (1972) |
| March 14 | 79.0°F (2025) | 30.0°F (2023) | 0.72 in (2019) |
| March 15 | 81.0°F (2025) | 27.0°F (2023) | 0.83 in (1953) |
| March 16 | 68.0°F (2024) | 23.0°F (2026) | 1.27 in (1943) |
| March 17 | 70.0°F (2022) | 12.0°F (2026) | 0.74 in (1951) |
| March 18 | 72.0°F (2022) | 12.0°F (2026) | 1.85 in (2021) |
| March 19 | 75.9°F (2025) | 19.0°F (2023) | 1.29 in (2008) |
| March 20 | 66.9°F (2020) | 23.0°F (2023) | 1.60 in (1967) |
| March 21 | 84.0°F (2026) | 27.0°F (2025) | 2.32 in (1962) |
| March 22 | 84.0°F (2026) | 28.9°F (2020) | 0.51 in (1955) |
| March 23 | 87.1°F (2026) | 30.9°F (2026) | 1.12 in (1948) |
| March 24 | 64.0°F (2021) | 30.9°F (2026) | 0.68 in (1958) |
| March 25 | 63.0°F (2026) | 30.9°F (2026) | 1.70 in (2013) |
| March 26 | 72.0°F (2026) | 30.9°F (2022) | 0.81 in (2021) |
| March 27 | 89.1°F (2026) | 30.0°F (2022) | 0.92 in (1944) |
| March 28 | 72.0°F (2021) | 27.0°F (2022) | 0.80 in (2008) |
| March 29 | 82.0°F (2025) | 27.0°F (2022) | 1.46 in (2009) |
| March 30 | 70.0°F (2024) | 32.0°F (2023) | 0.58 in (1948) |
| March 31 | 73.0°F (2025) | 32.0°F (2023) | 1.63 in (2022) |