|
Typical Iowa City December Weather 1991–2020 |
||
|---|---|---|
| Average daily high | 35.7 °F | |
| Average daily low | 19.8 °F | |
| Average monthly precipitation | 1.5 inches | |
| Daily chance of precipitation | 26.2% | |
|
Iowa City December Weather Records 1893–2024 |
||
|---|---|---|
| Highest temperature | 75 °F | December 15, 2021 |
| Lowest temperature | -27 °F | December 28, 1924 |
| Highest daily low | 57 °F | December 2, 1982 |
| Lowest daily high | -9 °F | December 24, 1983 |
| Hottest average high temperature | 44.0 °F | 2021 |
| Coldest average high temperature | 20.0 °F | 2000 |
| Most daily precipitation | 2.9 inches | December 15, 1971 |
| Most monthly precipitation | 4.5 inches | 1971 |
| Day | Average (°F) | Record (°F) | ||
|---|---|---|---|---|
| High | Low | High | Low | |
| December 1 | 41.4 | 24.5 | 62 | -9 |
| December 2 | 40.9 | 24.2 | 66 | -7 |
| December 3 | 40.4 | 23.7 | 68 | -8 |
| December 4 | 39.9 | 23.3 | 71 | -5 |
| December 5 | 39.4 | 22.9 | 68 | -5 |
| December 6 | 39.0 | 22.6 | 62 | -7 |
| December 7 | 38.6 | 22.3 | 58 | -13 |
| December 8 | 38.2 | 22.0 | 65 | -14 |
| December 9 | 37.8 | 21.7 | 65 | -17 |
| December 10 | 37.3 | 21.3 | 60 | -12 |
| December 11 | 37.0 | 20.9 | 60 | -15 |
| December 12 | 36.7 | 20.6 | 61 | -11 |
| December 13 | 36.3 | 20.4 | 63 | -18 |
| December 14 | 36.1 | 20.2 | 60 | -16 |
| December 15 | 35.9 | 19.9 | 75 | -19 |
| December 16 | 35.6 | 19.7 | 62 | -16 |
| December 17 | 35.3 | 19.4 | 59 | -12 |
| December 18 | 34.9 | 19.0 | 63 | -17 |
| December 19 | 34.6 | 18.8 | 58 | -20 |
| December 20 | 34.4 | 18.6 | 56 | -13 |
| December 21 | 34.3 | 18.4 | 58 | -20 |
| December 22 | 34.2 | 18.2 | 61 | -18 |
| December 23 | 33.9 | 17.9 | 59 | -19 |
| December 24 | 33.7 | 17.8 | 59 | -20 |
| December 25 | 33.5 | 17.6 | 62 | -19 |
| December 26 | 33.4 | 17.5 | 56 | -22 |
| December 27 | 33.2 | 17.3 | 62 | -20 |
| December 28 | 33.1 | 17.2 | 67 | -27 |
| December 29 | 32.9 | 17.1 | 66 | -16 |
| December 30 | 32.7 | 16.8 | 62 | -17 |
| December 31 | 32.4 | 16.5 | 60 | -13 |