San Diego Climate: Weather by Month and Best Time to Visit
Best months for San Diego: January, February.
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | 30°C | 20°C | 53 mm | 7 | – | – | 8.0 |
| February | 30°C | 21°C | 73 mm | 8 | – | – | 7.8 |
| March | 30°C | 21°C | 188 mm | 15 | – | – | 6.4 |
| April | 29°C | 22°C | 407 mm | 24 | – | – | 6.0 |
| May | 29°C | 22°C | 568 mm | 31 | – | – | 6.0 |
| June | 30°C | 22°C | 390 mm | 28 | – | – | 5.9 |
| July | 30°C | 22°C | 260 mm | 27 | – | – | 5.7 |
| August | 30°C | 22°C | 379 mm | 29 | – | – | 5.7 |
| September | 30°C | 22°C | 469 mm | 29 | – | – | 5.9 |
| October | 29°C | 22°C | 510 mm | 30 | – | – | 6.1 |
| November | 28°C | 21°C | 356 mm | 26 | – | – | 6.1 |
| December | 29°C | 21°C | 131 mm | 16 | – | – | 6.7 |