|
Typical El Cajon December Weather 1991–2020 |
||
|---|---|---|
| Average daily high | 69.4 °F | |
| Average daily low | 42.6 °F | |
| Average monthly precipitation | 1.9 inches | |
| Daily chance of precipitation | 17.3% | |
|
El Cajon December Weather Records 1899–2024 |
||
|---|---|---|
| Highest temperature | 95 °F | December 8, 1938 |
| Lowest temperature | 21 °F | December 29, 1954 |
| Highest daily low | 62 °F | December 4, 2014 |
| Lowest daily high | 46 °F | December 30, 1915 |
| Hottest average high temperature | 80.9 °F | 1917 |
| Coldest average high temperature | 61.9 °F | 1914 |
| Most daily precipitation | 4.1 inches | December 25, 1921 |
| Most monthly precipitation | 11.7 inches | 1921 |
| Day | Average (°F) | Record (°F) | ||
|---|---|---|---|---|
| High | Low | High | Low | |
| December 1 | 72.1 | 44.4 | 88 | 28 |
| December 2 | 71.8 | 44.2 | 89 | 30 |
| December 3 | 71.6 | 44.0 | 91 | 28 |
| December 4 | 71.3 | 43.9 | 93 | 29 |
| December 5 | 71.1 | 43.7 | 89 | 29 |
| December 6 | 71.0 | 43.4 | 91 | 29 |
| December 7 | 70.8 | 43.2 | 91 | 25 |
| December 8 | 70.6 | 43.1 | 95 | 24 |
| December 9 | 70.3 | 43.0 | 87 | 24 |
| December 10 | 70.2 | 43.0 | 91 | 25 |
| December 11 | 70.0 | 42.8 | 89 | 26 |
| December 12 | 69.8 | 42.7 | 90 | 23 |
| December 13 | 69.8 | 42.5 | 91 | 24 |
| December 14 | 69.7 | 42.4 | 91 | 23 |
| December 15 | 69.5 | 42.3 | 87 | 26 |
| December 16 | 69.4 | 42.2 | 87 | 27 |
| December 17 | 69.2 | 42.2 | 89 | 26 |
| December 18 | 69.1 | 42.0 | 91 | 27 |
| December 19 | 69.1 | 42.0 | 89 | 26 |
| December 20 | 69.1 | 41.9 | 89 | 26 |
| December 21 | 69.1 | 41.8 | 90 | 27 |
| December 22 | 69.1 | 41.8 | 85 | 26 |
| December 23 | 69.2 | 41.7 | 86 | 22 |
| December 24 | 69.2 | 41.6 | 86 | 22 |
| December 25 | 69.1 | 41.6 | 88 | 23 |
| December 26 | 69.1 | 41.6 | 86 | 25 |
| December 27 | 69.1 | 41.6 | 86 | 24 |
| December 28 | 69.1 | 41.6 | 89 | 24 |
| December 29 | 69.2 | 41.6 | 92 | 21 |
| December 30 | 69.3 | 41.6 | 95 | 24 |
| December 31 | 69.3 | 41.6 | 84 | 25 |