|
Typical Rockford December Weather 1991–2020 |
||
|---|---|---|
| Average daily high | 34.4 °F | |
| Average daily low | 19.7 °F | |
| Average monthly precipitation | 1.9 inches | |
| Average monthly snow | 9.0 inches | |
| Daily chance of precipitation | 31.6% | |
| Daily chance of snow | 21.8% | |
|
Rockford December Weather Records 1893–2024 |
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|---|---|---|
| Highest temperature | 69 °F | December 15, 2021 |
| Lowest temperature | -24 °F | December 24, 1983 |
| Highest daily low | 58 °F | December 2, 1982 |
| Lowest daily high | -11 °F | December 24, 1983 |
| Hottest average high temperature | 44.2 °F | 2021 |
| Coldest average high temperature | 19.6 °F | 1983 |
| Most daily precipitation | 2.3 inches | December 30, 1936 |
| Most monthly precipitation | 5.0 inches | 1971 |
| Most daily snow | 10.6 inches | December 15, 1987 |
| Most monthly snow | 30.1 inches | 2000 |
| Day | Average (°F) | Record (°F) | ||
|---|---|---|---|---|
| High | Low | High | Low | |
| December 1 | 39.9 | 24.4 | 62 | -3 |
| December 2 | 39.5 | 24.1 | 64 | -4 |
| December 3 | 39.0 | 23.7 | 69 | -14 |
| December 4 | 38.5 | 23.2 | 65 | -4 |
| December 5 | 38.0 | 22.8 | 67 | -5 |
| December 6 | 37.6 | 22.5 | 60 | -10 |
| December 7 | 37.2 | 22.2 | 64 | -11 |
| December 8 | 36.8 | 21.9 | 60 | -6 |
| December 9 | 36.5 | 21.6 | 55 | -12 |
| December 10 | 36.0 | 21.2 | 57 | -20 |
| December 11 | 35.7 | 20.9 | 61 | -18 |
| December 12 | 35.4 | 20.6 | 60 | -9 |
| December 13 | 35.1 | 20.3 | 62 | -14 |
| December 14 | 34.8 | 20.0 | 61 | -11 |
| December 15 | 34.5 | 19.8 | 69 | -16 |
| December 16 | 34.3 | 19.6 | 68 | -14 |
| December 17 | 34.0 | 19.3 | 50 | -12 |
| December 18 | 33.7 | 19.0 | 55 | -17 |
| December 19 | 33.5 | 18.7 | 56 | -21 |
| December 20 | 33.3 | 18.5 | 59 | -20 |
| December 21 | 33.2 | 18.4 | 56 | -20 |
| December 22 | 33.1 | 18.2 | 55 | -19 |
| December 23 | 32.9 | 18.0 | 62 | -21 |
| December 24 | 32.7 | 17.8 | 55 | -24 |
| December 25 | 32.5 | 17.6 | 59 | -22 |
| December 26 | 32.5 | 17.5 | 56 | -23 |
| December 27 | 32.4 | 17.4 | 55 | -19 |
| December 28 | 32.3 | 17.3 | 66 | -21 |
| December 29 | 32.1 | 17.1 | 65 | -11 |
| December 30 | 31.9 | 16.9 | 58 | -12 |
| December 31 | 31.6 | 16.6 | 56 | -17 |