Highest August Temperatures in San Luis Obispo
A list of the highest temperatures ever recorded in the month of
August in
San Luis Obispo, California from 1893–2024.
What's the hottest it has ever gotten in San Luis Obispo in August?
The hottest August temperature in San Luis Obispo, California history was 111 °F which occurred on August 29, 2009.
| Rank |
Temperature |
Date |
| 1 |
111 °F |
August 29, 2009 |
| 2 |
107 °F |
August 27, 1944 |
| 3 |
106 °F |
August 28, 2009 |
| 4 |
105 °F |
August 27, 2009 |
| 4 |
105 °F |
August 28, 1962 |
| 6 |
104 °F |
August 5, 1969 |
| 6 |
104 °F |
August 29, 1962 |
| 8 |
102 °F |
August 27, 2015 |
| 8 |
102 °F |
August 31, 1996 |
| 8 |
102 °F |
August 30, 1977 |
| 11 |
101 °F |
August 30, 2023 |
| 11 |
101 °F |
August 7, 1997 |
| 11 |
101 °F |
August 6, 1997 |
| 11 |
101 °F |
August 15, 1994 |
| 11 |
101 °F |
August 2, 1993 |
| 11 |
101 °F |
August 31, 1985 |
| 11 |
101 °F |
August 14, 1962 |
| 18 |
100 °F |
August 28, 2023 |
| 18 |
100 °F |
August 18, 2020 |
| 18 |
100 °F |
August 10, 1971 |
| 18 |
100 °F |
August 25, 1931 |
| 18 |
100 °F |
August 23, 1931 |