August weather in San Fernando, CA
The average temperature in San Fernando in August is °F (°F–°F). Average precipitation: 0.01 inches.
August is a summer month in San Fernando, and is cooler than the annual average of 0°F. Expect about 0 days with precipitation. Daylight averages about 13h 17m.
Avg High
°F
Avg Low
°F
Precipitation
0.01 in
Daylight
13h 17m
August records in San Fernando
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 99.0°F (2023) | 59.0°F (2025) | 0.00 in (1943) |
| August 2 | 97.0°F (2024) | 57.9°F (2025) | 0.04 in (2000) |
| August 3 | 102.0°F (2024) | 61.0°F (2025) | 0.03 in (2014) |
| August 4 | 104.0°F (2024) | 57.9°F (2023) | 0.16 in (2014) |
| August 5 | 106.0°F (2024) | 59.0°F (2023) | 0.00 in (1943) |
| August 6 | 108.0°F (2024) | 63.0°F (2025) | 0.00 in (1943) |
| August 7 | 104.0°F (2024) | 64.9°F (2023) | 0.13 in (1990) |
| August 8 | 104.0°F (2025) | 61.0°F (2023) | 0.00 in (1943) |
| August 9 | 100.0°F (2025) | 64.0°F (2023) | 0.00 in (1943) |
| August 10 | 100.0°F (2024) | 63.0°F (2023) | 0.03 in (1997) |
| August 11 | 102.0°F (2024) | 62.1°F (2023) | 0.55 in (1961) |
| August 12 | 102.0°F (2024) | 64.0°F (2023) | 0.00 in (1943) |
| August 13 | 93.9°F (2024) | 62.1°F (2025) | 0.07 in (1979) |
| August 14 | 95.0°F (2024) | 62.1°F (2025) | 0.10 in (1987) |
| August 15 | 98.1°F (2023) | 63.0°F (2025) | 0.13 in (1976) |
| August 16 | 102.9°F (2023) | 64.0°F (2025) | 0.19 in (1976) |
| August 17 | 105.1°F (2023) | 59.0°F (2025) | 2.14 in (1983) |
| August 18 | 105.1°F (2023) | 63.0°F (2024) | 1.90 in (1977) |
| August 19 | 97.0°F (2023) | 61.0°F (2024) | 1.13 in (1983) |
| August 20 | 100.9°F (2024) | 61.0°F (2023) | 0.48 in (1983) |
| August 21 | 102.0°F (2024) | 61.0°F (2023) | 5.61 in (2023) |
| August 22 | 104.0°F (2024) | 60.1°F (2023) | 0.00 in (1943) |
| August 23 | 99.0°F (2025) | 59.0°F (2024) | 0.00 in (1943) |
| August 24 | 98.1°F (2025) | 54.0°F (2024) | 0.00 in (1943) |
| August 25 | 93.9°F (2025) | 55.9°F (2024) | 0.04 in (1972) |
| August 26 | 102.9°F (2025) | 57.9°F (2024) | 0.00 in (1943) |
| August 27 | 102.9°F (2025) | 60.1°F (2024) | 0.00 in (1943) |
| August 28 | 104.0°F (2023) | 64.0°F (2025) | 0.01 in (1956) |
| August 29 | 108.0°F (2023) | 64.0°F (2024) | 0.67 in (1951) |
| August 30 | 104.0°F (2023) | 57.0°F (2024) | 0.07 in (1951) |
| August 31 | 102.0°F (2023) | 59.0°F (2024) | 0.00 in (1943) |