Last updated: March 2, 2024
The weather in San Francisco, Mexico, during August is characterized by an average temperature of 29°C (84°F). Highs can soar to 31°C (88°F), while lows may dip to 26°C (78°F). Typically, the humidity level in San Francisco throughout August hovers around 78%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In August, San Francisco averages 225 mm (8.9 inches) of rainfall, typically over the course of 22 rainy days. The month enjoys an average of 12 hours 47 minutes of daylight, with the sun shining for approximately 8 hours 57 minutes each day. Additionally, there is a 17% probability of sunny days during this period.
Precipitation
Rainy days
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Chance of sun
In August, the UV Index in San Francisco reaches a maximum of 13, indicating a level of Extreme exposure. The most intense UV radiation typically occurs between 14:00 and 16:00, during which unprotected skin may burn in as little as 10 minutes.
| 07:00 | 08:00 | 09:00 | 10:00 | 11:00 | 12:00 | 13:00 | 14:00 | 15:00 | 16:00 | 17:00 | 18:00 | 19:00 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UVI | 0 | 1 | 1 | 3 | 6 | 9 | 12 | 13 | 12 | 9 | 6 | 3 | 1 |
| Exposure | Low | Moderate | High | VeryHigh | Extreme | VeryHigh | High | Moderate | Low | ||||
| Time to burn | 45 min | 30 min | 25 min | 15 min | 10 min | 15 min | 25 min | 30 min | 45 min | ||||