May weather in San Francisco, United States
Averages from 155 days in May across 2020–2024.
Typical conditions
| Average high | 17.3°C |
|---|---|
| Average low | 11.2°C |
| Average mean | 13.9°C |
| Total precipitation | 82.6 mm |
| Rainy days | 27 |
| Average precipitation hours | 1 h |
| Average max wind speed | 31.9 km/h |
| Average sunshine | 12.8 h/day |
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