Last updated: March 2, 2024
The weather in San Francisco, Mexico, during May is characterized by an average temperature of 22°C (72°F). Highs can soar to 33°C (92°F), while lows may dip to 14°C (58°F). Typically, the humidity level in San Francisco throughout May hovers around 53%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In May, San Francisco averages 132 mm (5.2 inches) of rainfall, typically over the course of 19 rainy days. The month enjoys an average of 12 hours 54 minutes of daylight, with the sun shining for approximately 10 hours 21 minutes each day. Additionally, there is a 28% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In May, the UV Index in San Francisco reaches a maximum of 14, indicating a level of Extreme exposure. The most intense UV radiation typically occurs between 13:00 and 15:00, 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 | 1 | 2 | 4 | 7 | 11 | 13 | 14 | 13 | 10 | 7 | 3 | 1 | 1 |
| Exposure | Low | Moderate | High | Extreme | VeryHigh | High | Moderate | Low | |||||
| Time to burn | 45 min | 30 min | 25 min | 10 min | 15 min | 25 min | 30 min | 45 min | |||||