|
Typical Cornwall December Weather 1991–2020 |
||
|---|---|---|
| Average daily high | 33.8 °F | |
| Average daily low | 18.1 °F | |
| Average monthly precipitation | 2.8 inches | |
| Average monthly snow | 13.7 inches | |
|
Cornwall December Weather Records 1894–2023 |
||
|---|---|---|
| Highest temperature | 67 °F | December 5, 1941 |
| Lowest temperature | -32 °F | December 30, 1933 |
| Highest daily low | 51 °F | December 6, 1951 |
| Lowest daily high | -9 °F | December 30, 1933 |
| Hottest average temperature | 11.4 °F above average |
2015 |
| Coldest average temperature | -18.0 °F below average |
1989 |
| Most daily precipitation | 2.7 inches | December 21, 1973 |
| Most monthly precipitation | 7.4 inches | 1973 |
| Most daily snow | 16.2 inches | December 15, 2003 |
| Most monthly snow | 51.5 inches | 1969 |
| Day | Average (°F) | Record (°F) | ||
|---|---|---|---|---|
| High | Low | High | Low | |
| December 1 | 39.3 | 23.6 | 62 | -6 |
| December 2 | 38.8 | 23.2 | 63 | -1 |
| December 3 | 38.4 | 22.9 | 59 | -8 |
| December 4 | 38.0 | 22.5 | 66 | -5 |
| December 5 | 37.5 | 22.0 | 67 | -10 |
| December 6 | 37.0 | 21.6 | 63 | -5 |
| December 7 | 36.6 | 21.1 | 63 | -6 |
| December 8 | 36.3 | 20.9 | 59 | -11 |
| December 9 | 36.1 | 20.7 | 59 | -10 |
| December 10 | 35.9 | 20.5 | 58 | -10 |
| December 11 | 35.6 | 20.2 | 60 | -16 |
| December 12 | 35.3 | 19.7 | 61 | -21 |
| December 13 | 34.8 | 19.2 | 54 | -10 |
| December 14 | 34.4 | 18.8 | 53 | -9 |
| December 15 | 34.1 | 18.4 | 54 | -12 |
| December 16 | 33.7 | 18.0 | 56 | -16 |
| December 17 | 33.3 | 17.5 | 53 | -16 |
| December 18 | 33.1 | 17.3 | 58 | -16 |
| December 19 | 32.9 | 17.1 | 53 | -20 |
| December 20 | 32.6 | 16.7 | 57 | -21 |
| December 21 | 32.3 | 16.4 | 60 | -21 |
| December 22 | 32.1 | 16.2 | 57 | -18 |
| December 23 | 32.0 | 16.1 | 59 | -15 |
| December 24 | 31.9 | 16.0 | 55 | -16 |
| December 25 | 31.7 | 15.8 | 66 | -19 |
| December 26 | 31.4 | 15.4 | 60 | -23 |
| December 27 | 31.2 | 15.1 | 55 | -22 |
| December 28 | 31.0 | 14.8 | 52 | -16 |
| December 29 | 30.9 | 14.8 | 58 | -25 |
| December 30 | 30.9 | 14.6 | 58 | -32 |
| December 31 | 30.8 | 14.4 | 56 | -22 |
| Years | Station | Coordinates |
|---|---|---|
| 1894–2023 | Cornwall | location |