|
Typical Decatur December Weather 1991–2020 |
||
|---|---|---|
| Average daily high | 40.2 °F | |
| Average daily low | 24.8 °F | |
| Average monthly precipitation | 2.3 inches | |
| Average monthly snow | 2.9 inches | |
| Daily chance of precipitation | 29.6% | |
| Daily chance of snow | 7.3% | |
|
Decatur December Weather Records 1893–2024 |
||
|---|---|---|
| Highest temperature | 72 °F | December 3, 1970 |
| Lowest temperature | -22 °F | December 24, 1983 |
| Highest daily low | 60 °F | December 4, 1998 |
| Lowest daily high | -5 °F | December 22, 1989 |
| Hottest average high temperature | 49.5 °F | 2021 |
| Coldest average high temperature | 26.7 °F | 1983 |
| Most daily precipitation | 2.9 inches | December 18, 1895 |
| Most monthly precipitation | 8.4 inches | 2015 |
| Most daily snow | 10.0 inches | December 20, 1973 |
| Most monthly snow | 30.5 inches | 1973 |
| Day | Average (°F) | Record (°F) | ||
|---|---|---|---|---|
| High | Low | High | Low | |
| December 1 | 45.4 | 29.3 | 72 | 1 |
| December 2 | 45.0 | 29.0 | 70 | 1 |
| December 3 | 44.6 | 28.7 | 72 | -7 |
| December 4 | 44.1 | 28.3 | 71 | -6 |
| December 5 | 43.7 | 28.0 | 70 | 2 |
| December 6 | 43.3 | 27.6 | 70 | -2 |
| December 7 | 43.0 | 27.3 | 67 | -2 |
| December 8 | 42.6 | 27.0 | 68 | -4 |
| December 9 | 42.3 | 26.9 | 70 | -8 |
| December 10 | 41.9 | 26.5 | 66 | -10 |
| December 11 | 41.5 | 26.1 | 65 | -12 |
| December 12 | 41.2 | 25.8 | 67 | -10 |
| December 13 | 40.9 | 25.6 | 66 | -8 |
| December 14 | 40.6 | 25.3 | 65 | -7 |
| December 15 | 40.4 | 25.1 | 67 | -13 |
| December 16 | 40.2 | 24.9 | 66 | -10 |
| December 17 | 39.9 | 24.7 | 62 | -5 |
| December 18 | 39.6 | 24.3 | 65 | -6 |
| December 19 | 39.3 | 24.0 | 61 | -15 |
| December 20 | 39.2 | 23.9 | 64 | -15 |
| December 21 | 39.0 | 23.7 | 64 | -16 |
| December 22 | 38.9 | 23.5 | 61 | -21 |
| December 23 | 38.7 | 23.3 | 66 | -20 |
| December 24 | 38.5 | 23.1 | 64 | -22 |
| December 25 | 38.4 | 23.0 | 63 | -17 |
| December 26 | 38.2 | 22.9 | 65 | -15 |
| December 27 | 38.1 | 22.7 | 64 | -7 |
| December 28 | 38.0 | 22.6 | 71 | -19 |
| December 29 | 37.9 | 22.4 | 65 | -7 |
| December 30 | 37.7 | 22.2 | 64 | -14 |
| December 31 | 37.5 | 21.9 | 63 | -11 |
| Years | Station | Coordinates |
|---|---|---|
| 1893–2024 | Decatur WTP | location |