Lowest December Temperatures in St. Helena
A list of the lowest temperatures ever recorded in the month of
December in
St. Helena, California from 1907–2023.
What's the coldest it has ever gotten in St. Helena in December?
The coldest December temperature in St. Helena, California history was 11 °F which occurred on December 11, 1932.
| Rank |
Temperature |
Date |
| 1 |
11 °F |
December 11, 1932 |
| 2 |
14 °F |
December 21, 1990 |
| 3 |
15 °F |
December 10, 1932 |
| 4 |
16 °F |
December 22, 1990 |
| 5 |
17 °F |
December 11, 1972 |
| 5 |
17 °F |
December 9, 1972 |
| 7 |
18 °F |
December 15, 1932 |
| 7 |
18 °F |
December 14, 1932 |
| 7 |
18 °F |
December 24, 1930 |
| 7 |
18 °F |
December 19, 1924 |
| 7 |
18 °F |
December 14, 1919 |
| 12 |
19 °F |
December 1, 2020 |
| 12 |
19 °F |
December 14, 1972 |
| 12 |
19 °F |
December 24, 1948 |
| 12 |
19 °F |
December 9, 1932 |
| 16 |
20 °F |
December 24, 1990 |
| 16 |
20 °F |
December 23, 1990 |
| 16 |
20 °F |
December 13, 1932 |
| 16 |
20 °F |
December 26, 1924 |
| 16 |
20 °F |
December 18, 1924 |
| 16 |
20 °F |
December 17, 1919 |
| 16 |
20 °F |
December 15, 1919 |