|
Typical Joliet December Weather 1991–2020 |
||
|---|---|---|
| Average daily high | 36.7 °F | |
| Average daily low | 22.1 °F | |
| Average monthly precipitation | 2.0 inches | |
| Average monthly snow | 3.8 inches | |
| Daily chance of precipitation | 33.7% | |
| Daily chance of snow | 9.5% | |
|
Joliet December Weather Records 1893–2024 |
||
|---|---|---|
| Highest temperature | 70 °F | December 4, 2012 |
| Lowest temperature | -20 °F | December 25, 1983 |
| Highest daily low | 59 °F | December 4, 1998 |
| Lowest daily high | -10 °F | December 25, 1983 |
| Hottest average high temperature | 45.0 °F | 2015 |
| Coldest average high temperature | 22.2 °F | 1983 |
| Most daily precipitation | 3.3 inches | December 3, 1982 |
| Most monthly precipitation | 7.3 inches | 1982 |
| Most daily snow | 8.2 inches | December 23, 1969 |
| Most monthly snow | 26.0 inches | 2000 |
| Day | Average (°F) | Record (°F) | ||
|---|---|---|---|---|
| High | Low | High | Low | |
| December 1 | 42.0 | 26.8 | 67 | -5 |
| December 2 | 41.7 | 26.5 | 65 | -3 |
| December 3 | 41.4 | 26.1 | 70 | 0 |
| December 4 | 40.8 | 25.7 | 70 | -7 |
| December 5 | 40.4 | 25.3 | 67 | -4 |
| December 6 | 40.0 | 24.9 | 68 | -4 |
| December 7 | 39.5 | 24.6 | 62 | -6 |
| December 8 | 39.1 | 24.3 | 64 | -6 |
| December 9 | 38.8 | 24.0 | 61 | -13 |
| December 10 | 38.5 | 23.7 | 63 | -13 |
| December 11 | 38.1 | 23.4 | 62 | -11 |
| December 12 | 37.7 | 23.0 | 66 | -5 |
| December 13 | 37.5 | 22.8 | 62 | -7 |
| December 14 | 37.2 | 22.5 | 64 | -6 |
| December 15 | 36.9 | 22.3 | 65 | -14 |
| December 16 | 36.6 | 22.0 | 64 | -17 |
| December 17 | 36.4 | 21.9 | 62 | -11 |
| December 18 | 36.0 | 21.6 | 61 | -11 |
| December 19 | 35.7 | 21.2 | 63 | -12 |
| December 20 | 35.5 | 21.0 | 60 | -13 |
| December 21 | 35.4 | 20.8 | 61 | -13 |
| December 22 | 35.3 | 20.7 | 58 | -19 |
| December 23 | 35.2 | 20.5 | 66 | -18 |
| December 24 | 35.0 | 20.3 | 67 | -20 |
| December 25 | 34.8 | 20.1 | 62 | -20 |
| December 26 | 34.7 | 19.9 | 62 | -15 |
| December 27 | 34.6 | 19.7 | 61 | -20 |
| December 28 | 34.4 | 19.6 | 63 | -7 |
| December 29 | 34.3 | 19.5 | 66 | -8 |
| December 30 | 34.2 | 19.3 | 60 | -11 |
| December 31 | 33.9 | 19.1 | 61 | -14 |