Average annual temperature is 18.6 °C
Absolute maximum temperature: 33.3 °C
Absolute minimum temperature: 3.5 °C
Number of sunny days: 137 days
Number of rainy days: 228 days
Look at detailed online map of San Francisco Plan Seco
* Weather data for San Francisco Plan Seco Mexico is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 26.8 | 29.8 | 31.7 | 32.7 | 31.4 | 33.3 | 26.3 | 27.7 | 26.9 | 27.7 | 28.7 | 26.7 |
| Average daytime temperature (°C) | 23.7 | 25.0 | 28.2 | 29.0 | 29.1 | 29.5 | 24.9 | 24.9 | 25.3 | 24.6 | 23.4 | 21.8 |
| Average temperature (°C) | 16.2 | 16.6 | 19.4 | 20.5 | 20.8 | 21.8 | 18.9 | 19.0 | 18.8 | 18.5 | 17.2 | 15.1 |
| Average night temperature (°C) | 10.7 | 10.6 | 12.6 | 13.9 | 14.4 | 15.8 | 15.0 | 14.8 | 14.1 | 14.5 | 13.2 | 10.3 |
| Absolute minimum temperature (°C) | 5.7 | 7.6 | 9.9 | 11.2 | 12.3 | 13.4 | 12.4 | 12.6 | 10.9 | 10.1 | 9.2 | 3.5 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 | 13.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Daylight mean duration (h) | 11.2 | 11.6 | 12.0 | 12.5 | 12.9 | 13.2 | 13.1 | 12.7 | 12.2 | 11.7 | 11.3 | 11.1 |
| Daylight minimum duration (h) | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 |
| Sunshine mean duration (h) | 10.1 | 10.6 | 11.1 | 11.3 | 11.4 | 11.3 | 9.6 | 10.3 | 10.1 | 9.9 | 9.1 | 9.0 |
| Precipitation (mm) | 4 | 2 | 8 | 26 | 26 | 158 | 236 | 229 | 110 | 88 | 25 | 6 |
| Sunny days | 23 | 23 | 19 | 9 | 9 | 10 | 0 | 0 | 5 | 9 | 8 | 22 |
| Rainy days | 8 | 5 | 12 | 21 | 22 | 20 | 31 | 31 | 25 | 22 | 22 | 9 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Francisco Plan Seco is at