Highest Temperatures in St. Helena History
This is a list of the 20 highest temperatures ever recorded in
St. Helena, California history from 1907–2023 based on data from the NOAA.
What's the hottest it has ever gotten in St. Helena?
The hottest temperature in St. Helena, California history is 115 °F which has happened 3 times, most recently on Friday 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 |
113 °F |
September 6, 2022 |
| 5 |
113 °F |
September 6, 2020 |
| 5 |
113 °F |
September 1, 2017 |
| 5 |
113 °F |
September 2, 1955 |
| 9 |
112 °F |
September 5, 2022 |
| 9 |
112 °F |
September 3, 1950 |
| 9 |
112 °F |
September 9, 1944 |
| 9 |
112 °F |
July 10, 1925 |
| 9 |
112 °F |
July 6, 1921 |
| 9 |
112 °F |
August 28, 1915 |
| 15 |
111 °F |
September 2, 2017 |
| 15 |
111 °F |
August 1, 1993 |
| 15 |
111 °F |
September 14, 1971 |
| 15 |
111 °F |
July 10, 1959 |
| 15 |
111 °F |
September 2, 1950 |
| 15 |
111 °F |
August 19, 1950 |
| 15 |
111 °F |
July 7, 1919 |
Weather Station Details
| Years |
Station |
Coordinates |
| 1907–2023 |
Saint Helena |
location |