San Francisco in October
7.7out of 10
Yes, a good time to go
Warm and comfortable: highs around 25°C. Frequent rain: about 9 rainy days.
25°CAvg high
14°CAvg low
9Rainy days (115 mm)
12:47 hDaylight
06:30Sunrise · 19:17 Sunset
Why this score
- Warm and comfortable: highs around 25°C
- Frequent rain: about 9 rainy days
What to wear and pack
- T-shirts and light layers
- A light jacket for cooler evenings
- Rain jacket or compact umbrella
How reliable is the forecast?
Rainfall in October is fairly consistent from year to year (2.9 days). Averages cover 30 years (1991–2020). Individual days can differ a lot.
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | 30°C | 19°C | 120 mm | 9 | – | – | 7.3 |
| February | 29°C | 18°C | 116 mm | 9 | – | – | 7.7 |
| March | 27°C | 17°C | 138 mm | 9 | – | – | 7.6 |
| April | 24°C | 14°C | 100 mm | 8 | – | – | 7.9 |
| May | 21°C | 11°C | 47 mm | 6 | – | – | 8.1 |
| June | 18°C | 8°C | 30 mm | 4 | – | – | 7.8 |
| July | 17°C | 6°C | 20 mm | 3 | – | – | 7.9 |
| August | 20°C | 8°C | 39 mm | 4 | – | – | 8.3 |
| September | 23°C | 11°C | 51 mm | 5 | – | – | 8.4 |
| October | 25°C | 14°C | 115 mm | 9 | – | – | 7.7 |
| November | 28°C | 16°C | 119 mm | 9 | – | – | 7.7 |
| December | 30°C | 18°C | 128 mm | 10 | – | – | 7.4 |
Frequently asked questions
How hot is San Francisco in October?
Daytime highs average 25°C and nights about 14°C.
When is the best time to visit San Francisco?
The best months are September, August, May, April.