Highest July Temperatures in St. Helena
A list of the highest temperatures ever recorded in the month of
July in
St. Helena, California from 1907–2023.
What's the hottest it has ever gotten in St. Helena in July?
The hottest July temperature in St. Helena, California history was 115 °F which has occurred 3 times, most recently on July 14, 1972.
| Rank |
Temperature |
Date |
| 1 |
115 °F |
July 14, 1972 |
| 1 |
115 °F |
July 13, 1972 |
| 1 |
115 °F |
July 11, 1913 |
| 4 |
114 °F |
July 4, 1931 |
| 5 |
112 °F |
July 10, 1925 |
| 5 |
112 °F |
July 6, 1921 |
| 7 |
111 °F |
July 10, 1959 |
| 7 |
111 °F |
July 7, 1919 |
| 9 |
110 °F |
July 25, 1975 |
| 9 |
110 °F |
July 11, 1961 |
| 9 |
110 °F |
July 10, 1961 |
| 9 |
110 °F |
July 27, 1923 |
| 9 |
110 °F |
July 8, 1921 |
| 9 |
110 °F |
July 7, 1921 |
| 9 |
110 °F |
July 10, 1913 |
| 16 |
109 °F |
July 7, 2017 |
| 16 |
109 °F |
July 2, 1991 |
| 16 |
109 °F |
July 30, 1977 |
| 16 |
109 °F |
July 29, 1977 |
| 16 |
109 °F |
July 18, 1961 |
| 16 |
109 °F |
July 28, 1954 |
| 16 |
109 °F |
July 18, 1931 |
| 16 |
109 °F |
July 3, 1931 |
| 16 |
109 °F |
July 15, 1926 |
| 16 |
109 °F |
July 9, 1925 |