Lowest July Temperatures in St. Helena
A list of the lowest temperatures ever recorded in the month of
July in
St. Helena, California from 1907–2023.
What's the coldest it has ever gotten in St. Helena in July?
The coldest July temperature in St. Helena, California history was 37 °F which occurred on July 16, 1930.
| Rank |
Temperature |
Date |
| 1 |
37 °F |
July 16, 1930 |
| 2 |
38 °F |
July 4, 2019 |
| 2 |
38 °F |
July 3, 2019 |
| 2 |
38 °F |
July 1, 2019 |
| 5 |
39 °F |
July 5, 1955 |
| 5 |
39 °F |
July 13, 1930 |
| 7 |
40 °F |
July 3, 1978 |
| 7 |
40 °F |
July 17, 1930 |
| 7 |
40 °F |
July 31, 1925 |
| 7 |
40 °F |
July 30, 1924 |
| 7 |
40 °F |
July 9, 1924 |
| 7 |
40 °F |
July 7, 1924 |
| 7 |
40 °F |
July 24, 1922 |
| 7 |
40 °F |
July 23, 1922 |
| 7 |
40 °F |
July 22, 1922 |
| 7 |
40 °F |
July 25, 1921 |
| 7 |
40 °F |
July 1, 1919 |
| 18 |
41 °F |
July 11, 1935 |
| 18 |
41 °F |
July 30, 1930 |
| 18 |
41 °F |
July 12, 1930 |
| 18 |
41 °F |
July 1, 1930 |
| 18 |
41 °F |
July 30, 1925 |
| 18 |
41 °F |
July 3, 1925 |
| 18 |
41 °F |
July 8, 1924 |
| 18 |
41 °F |
July 2, 1924 |
| 18 |
41 °F |
July 25, 1922 |
| 18 |
41 °F |
July 30, 1910 |
| 18 |
41 °F |
July 2, 1910 |
| 18 |
41 °F |
July 6, 1909 |