|
Typical Williamsport December Weather 1991–2020 |
||
|---|---|---|
| Average daily high | 39.9 °F | |
| Average daily low | 25.7 °F | |
| Average monthly precipitation | 3.3 inches | |
| Average monthly snow | 7.4 inches | |
| Daily chance of precipitation | 38.3% | |
| Daily chance of snow | 14.7% | |
|
Williamsport December Weather Records 1895–2024 |
||
|---|---|---|
| Highest temperature | 70 °F | December 1, 2006 |
| Lowest temperature | -15 °F | December 28, 1950 |
| Highest daily low | 54 °F | December 5, 1951 |
| Lowest daily high | 7 °F | December 25, 1983 |
| Hottest average high temperature | 49.8 °F | 1912 |
| Coldest average high temperature | 27.7 °F | 1989 |
| Most daily precipitation | 3.3 inches | December 13, 1983 |
| Most monthly precipitation | 7.4 inches | 1973 |
| Most daily snow | 14.7 inches | December 26, 1969 |
| Most monthly snow | 35.5 inches | 1969 |
| Day | Average (°F) | Record (°F) | ||
|---|---|---|---|---|
| High | Low | High | Low | |
| December 1 | 44.6 | 29.4 | 70 | 5 |
| December 2 | 44.2 | 29.1 | 64 | 7 |
| December 3 | 44.0 | 29.0 | 66 | 5 |
| December 4 | 43.6 | 28.7 | 68 | 4 |
| December 5 | 43.3 | 28.4 | 66 | 8 |
| December 6 | 42.9 | 28.1 | 69 | 2 |
| December 7 | 42.6 | 27.8 | 69 | -5 |
| December 8 | 42.3 | 27.7 | 64 | 3 |
| December 9 | 42.1 | 27.5 | 61 | 3 |
| December 10 | 41.9 | 27.4 | 65 | 3 |
| December 11 | 41.6 | 27.1 | 64 | -5 |
| December 12 | 41.2 | 26.8 | 59 | -2 |
| December 13 | 40.8 | 26.5 | 62 | 4 |
| December 14 | 40.5 | 26.2 | 65 | -1 |
| December 15 | 40.1 | 25.9 | 60 | 0 |
| December 16 | 39.8 | 25.6 | 65 | -4 |
| December 17 | 39.6 | 25.4 | 65 | -11 |
| December 18 | 39.3 | 25.2 | 65 | -8 |
| December 19 | 39.1 | 25.0 | 59 | -3 |
| December 20 | 38.8 | 24.7 | 62 | -6 |
| December 21 | 38.7 | 24.5 | 64 | -3 |
| December 22 | 38.6 | 24.4 | 64 | -7 |
| December 23 | 38.5 | 24.3 | 63 | -11 |
| December 24 | 38.4 | 24.1 | 65 | -9 |
| December 25 | 38.2 | 23.9 | 58 | -13 |
| December 26 | 38.1 | 23.8 | 61 | -7 |
| December 27 | 37.9 | 23.6 | 54 | -11 |
| December 28 | 37.8 | 23.4 | 62 | -15 |
| December 29 | 37.8 | 23.4 | 67 | -4 |
| December 30 | 37.7 | 23.2 | 56 | -12 |
| December 31 | 37.6 | 23.0 | 62 | -8 |