Average annual temperature is 20.7 °C
Absolute maximum temperature: 39.0 °C
Absolute minimum temperature: 3.3 °C
Number of sunny days: 225 days
Number of rainy days: 140 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) | 29.5 | 32.7 | 34.5 | 35.4 | 34.4 | 39.0 | 34.4 | 37.1 | 34.7 | 31.6 | 31.9 | 25.1 |
| Average daytime temperature (°C) | 24.5 | 26.0 | 29.6 | 29.8 | 29.5 | 34.1 | 31.8 | 32.2 | 32.2 | 27.0 | 23.8 | 19.5 |
| Average temperature (°C) | 16.3 | 16.9 | 20.5 | 21.5 | 22.3 | 26.0 | 24.4 | 24.6 | 24.5 | 20.7 | 16.7 | 14.1 |
| Average night temperature (°C) | 10.4 | 10.4 | 13.7 | 15.7 | 16.6 | 19.4 | 19.0 | 19.2 | 18.7 | 16.1 | 12.2 | 10.2 |
| Absolute minimum temperature (°C) | 3.3 | 3.7 | 6.4 | 11.5 | 12.9 | 16.8 | 16.4 | 17.8 | 17.4 | 9.9 | 7.3 | 5.8 |
| 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 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 |
| Daylight mean duration (h) | 10.9 | 11.4 | 12.0 | 12.7 | 13.3 | 13.5 | 13.4 | 12.9 | 12.3 | 11.6 | 11.0 | 10.7 |
| Daylight minimum duration (h) | 10.0 | 11.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 9.2 | 9.9 | 10.5 | 10.9 | 11.6 | 12.6 | 11.8 | 11.6 | 11.1 | 9.3 | 7.8 | 6.3 |
| Precipitation (mm) | 4 | 1 | 6 | 35 | 66 | 3 | 31 | 14 | 14 | 44 | 36 | 35 |
| Sunny days | 24 | 25 | 25 | 13 | 12 | 19 | 19 | 16 | 22 | 13 | 20 | 17 |
| Rainy days | 7 | 3 | 6 | 17 | 19 | 11 | 12 | 15 | 8 | 18 | 10 | 14 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Isidro is at