San Diego in October
8.8out of 10
Yes, a good time to go
Mild: highs around 22°C. Very dry: about 2 rainy days.
22°CAvg high
17°CAvg low
2Rainy days (12 mm)
11:10 hDaylight
06:59Sunrise · 18:09 Sunset
Why this score
- Mild: highs around 22°C
- Very dry: about 2 rainy days
What to wear and pack
- Layers you can add or remove
- Comfortable walking shoes
How reliable is the forecast?
Rainfall in October is fairly consistent from year to year (1.9 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 | 17°C | 11°C | 50 mm | 6 | – | – | 7.5 |
| February | 17°C | 11°C | 63 mm | 6 | – | – | 7.4 |
| March | 17°C | 12°C | 38 mm | 5 | – | – | 7.6 |
| April | 18°C | 13°C | 17 mm | 3 | – | – | 8.1 |
| May | 19°C | 15°C | 7 mm | 2 | – | – | 8.4 |
| June | 20°C | 16°C | 1 mm | 0 | – | – | 8.8 |
| July | 23°C | 18°C | 1 mm | 0 | – | – | 9.1 |
| August | 24°C | 19°C | 0 mm | 0 | – | – | 9.1 |
| September | 23°C | 18°C | 3 mm | 1 | – | – | 9.0 |
| October | 22°C | 17°C | 12 mm | 2 | – | – | 8.8 |
| November | 20°C | 14°C | 18 mm | 3 | – | – | 8.3 |
| December | 17°C | 11°C | 40 mm | 5 | – | – | 7.6 |
Frequently asked questions
How hot is San Diego in October?
Daytime highs average 22°C and nights about 17°C.
When is the best time to visit San Diego?
The best months are July, August, September, June.