Hostels — San Francisco
Climate — San Francisco: monthly averages
| Month | Day (max) | Night (min) | Monthly precipitation |
|---|---|---|---|
| January | 35°C | -2°C | 25 mm |
| February | 40°C | -2°C | 26 mm |
| March | 43°C | 4°C | 41 mm |
| April | 43°C | 8°C | 52 mm |
| May | 42°C | 13°C | 82 mm |
| June | 42°C | 19°C | 99 mm |
| July | 41°C | 20°C | 90 mm |
| August | 40°C | 21°C | 68 mm |
| September | 42°C | 14°C | 185 mm |
| October | 39°C | 7°C | 86 mm |
| November | 36°C | 3°C | 42 mm |
| December | 36°C | -1°C | 27 mm |
Long-term model averages for an area of about 50 km — not a forecast; mountains are often cooler. Source: NASA POWER Project (CC BY 4.0) (2001–2025)