Average annual temperature is 17.3 °C
Absolute maximum temperature: 35.3 °C
Absolute minimum temperature: -2.8 °C
Number of sunny days: 271 days
Number of rainy days: 93 days
Number of snow days: 1 day
Look at detailed online map of San Isidro
* Weather data for San Isidro 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) | 22.7 | 25.4 | 26.7 | 27.7 | 31.4 | 35.3 | 32.9 | 34.4 | 31.2 | 28.5 | 24.7 | 22.7 |
| Average daytime temperature (°C) | 18.5 | 19.9 | 23.4 | 24.9 | 26.5 | 32.1 | 29.6 | 29.3 | 29.0 | 22.2 | 19.7 | 17.4 |
| Average temperature (°C) | 10.3 | 11.1 | 15.2 | 17.4 | 19.3 | 24.5 | 23.7 | 22.9 | 22.6 | 16.3 | 13.0 | 10.5 |
| Average night temperature (°C) | 3.4 | 4.6 | 8.1 | 10.3 | 12.6 | 17.1 | 17.6 | 17.1 | 16.1 | 11.6 | 7.9 | 4.3 |
| Absolute minimum temperature (°C) | -1.6 | -2.8 | 0.5 | 6.0 | 9.7 | 12.1 | 14.4 | 14.2 | 13.5 | 3.5 | -0.3 | -1.6 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 |
| Daylight mean duration (h) | 10.7 | 11.3 | 12.0 | 12.8 | 13.5 | 13.8 | 13.6 | 13.1 | 12.3 | 11.5 | 10.8 | 10.5 |
| Daylight minimum duration (h) | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 9.5 | 9.9 | 10.2 | 11.3 | 10.9 | 12.2 | 12.2 | 11.3 | 11.3 | 7.6 | 8.1 | 9.3 |
| Precipitation (mm) | 6 | 7 | 14 | 4 | 37 | 9 | 48 | 36 | 20 | 78 | 25 | 0 |
| Sunny days | 29 | 26 | 26 | 26 | 17 | 22 | 21 | 16 | 22 | 15 | 22 | 29 |
| Rainy days | 2 | 2 | 5 | 4 | 14 | 8 | 10 | 15 | 8 | 16 | 7 | 2 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 |
The largest precipitation sum in San Isidro is at