Average annual temperature is 19.7 °C
Absolute maximum temperature: 38.3 °C
Absolute minimum temperature: -1.3 °C
Number of sunny days: 279 days
Number of rainy days: 86 days
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) | 25.3 | 28.7 | 29.7 | 31.0 | 33.3 | 38.3 | 36.0 | 37.5 | 35.1 | 30.7 | 28.0 | 25.5 |
| Average daytime temperature (°C) | 20.9 | 22.1 | 26.0 | 27.8 | 29.4 | 34.8 | 32.7 | 32.7 | 32.3 | 24.9 | 22.3 | 20.0 |
| Average temperature (°C) | 12.0 | 13.0 | 17.5 | 20.3 | 22.1 | 27.3 | 26.6 | 26.0 | 25.7 | 18.7 | 15.2 | 12.3 |
| Average night temperature (°C) | 4.3 | 6.1 | 9.7 | 12.7 | 15.2 | 19.9 | 20.3 | 19.8 | 19.0 | 13.6 | 9.9 | 5.7 |
| Absolute minimum temperature (°C) | -1.3 | -0.7 | 2.0 | 7.7 | 11.0 | 16.5 | 16.8 | 17.2 | 15.8 | 5.2 | 1.2 | 0.2 |
| 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 | 11.2 | 12.0 | 12.8 | 13.5 | 13.8 | 13.7 | 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) | 9.4 | 9.9 | 10.3 | 11.5 | 10.9 | 12.1 | 12.3 | 11.5 | 11.4 | 7.6 | 8.0 | 9.4 |
| Precipitation (mm) | 0 | 9 | 6 | 1 | 36 | 12 | 46 | 14 | 4 | 56 | 16 | 0 |
| Sunny days | 29 | 26 | 27 | 27 | 16 | 23 | 20 | 19 | 24 | 15 | 24 | 29 |
| Rainy days | 2 | 2 | 4 | 3 | 15 | 7 | 11 | 12 | 6 | 16 | 6 | 2 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Isidro is at