|
Typical Boulder December Weather 1991–2020 |
||
|---|---|---|
| Average daily high | 46.2 °F | |
| Average daily low | 21.7 °F | |
| Average monthly precipitation | 0.8 inches | |
| Average monthly snow | 12.8 inches | |
| Daily chance of precipitation | 17.3% | |
| Daily chance of snow | 17.1% | |
|
Boulder December Weather Records 1893–2024 |
||
|---|---|---|
| Highest temperature | 76 °F | December 17, 1980 |
| Lowest temperature | -24 °F | December 22, 1990 |
| Highest daily low | 62 °F | December 24, 1955 |
| Lowest daily high | -8 °F | December 21, 1990 |
| Hottest average high temperature | 57.3 °F | 1933 |
| Coldest average high temperature | 29.8 °F | 1909 |
| Most daily precipitation | 1.5 inches | December 5, 1913 |
| Most monthly precipitation | 4.2 inches | 1913 |
| Most daily snow | 19.0 inches | December 5, 1913 |
| Most monthly snow | 53.0 inches | 1913 |
| Day | Average (°F) | Record (°F) | ||
|---|---|---|---|---|
| High | Low | High | Low | |
| December 1 | 49.8 | 24.8 | 72 | -5 |
| December 2 | 49.5 | 24.5 | 72 | -9 |
| December 3 | 49.1 | 24.2 | 70 | -2 |
| December 4 | 48.7 | 23.9 | 75 | -1 |
| December 5 | 48.3 | 23.5 | 71 | -12 |
| December 6 | 48.0 | 23.3 | 69 | -16 |
| December 7 | 47.8 | 23.1 | 68 | -15 |
| December 8 | 47.5 | 22.8 | 71 | -9 |
| December 9 | 47.2 | 22.6 | 74 | -20 |
| December 10 | 47.0 | 22.3 | 70 | -12 |
| December 11 | 46.8 | 22.1 | 71 | -18 |
| December 12 | 46.7 | 22.0 | 68 | -19 |
| December 13 | 46.6 | 21.9 | 74 | -10 |
| December 14 | 46.5 | 21.9 | 69 | -11 |
| December 15 | 46.3 | 21.8 | 70 | -15 |
| December 16 | 46.2 | 21.7 | 69 | -7 |
| December 17 | 46.0 | 21.5 | 76 | -9 |
| December 18 | 45.8 | 21.4 | 69 | -14 |
| December 19 | 45.7 | 21.3 | 69 | -17 |
| December 20 | 45.8 | 21.3 | 70 | -16 |
| December 21 | 45.8 | 21.3 | 66 | -20 |
| December 22 | 45.8 | 21.2 | 71 | -24 |
| December 23 | 45.8 | 21.1 | 71 | -14 |
| December 24 | 45.9 | 21.1 | 70 | -18 |
| December 25 | 45.9 | 21.2 | 68 | -10 |
| December 26 | 45.9 | 21.2 | 70 | -6 |
| December 27 | 45.8 | 21.1 | 74 | -10 |
| December 28 | 45.7 | 21.0 | 67 | -8 |
| December 29 | 45.6 | 21.0 | 69 | -13 |
| December 30 | 45.5 | 20.9 | 71 | -11 |
| December 31 | 45.6 | 20.9 | 66 | -18 |
| Years | Station | Coordinates |
|---|---|---|
| 1893–2024 | Boulder | location |