Average annual temperature is 12.0 °C
Absolute maximum temperature: 26.2 °C
Absolute minimum temperature: -1.6 °C
Number of sunny days: 122 days
Number of rainy days: 243 days
Look at detailed online map of San Bartolo del Llano (San Isidro)
* Weather data for San Bartolo del Llano (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) | 20.1 | 21.8 | 23.7 | 24.7 | 23.0 | 26.2 | 21.2 | 20.8 | 22.7 | 21.6 | 22.1 | 18.0 |
| Average daytime temperature (°C) | 16.4 | 18.7 | 20.1 | 20.6 | 19.7 | 23.1 | 18.8 | 18.5 | 20.2 | 18.6 | 18.5 | 15.0 |
| Average temperature (°C) | 9.0 | 10.8 | 12.2 | 13.4 | 13.1 | 15.5 | 12.8 | 12.4 | 13.1 | 12.3 | 11.5 | 8.5 |
| Average night temperature (°C) | 3.2 | 4.2 | 6.1 | 7.4 | 8.0 | 9.0 | 8.0 | 7.6 | 7.2 | 7.8 | 6.4 | 3.7 |
| Absolute minimum temperature (°C) | 1.6 | 2.0 | 0.9 | 4.9 | 5.9 | 6.7 | 6.0 | 5.0 | 5.3 | 5.7 | 3.1 | -1.6 |
| 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) | 11.1 | 11.5 | 12.0 | 12.6 | 13.0 | 13.3 | 13.2 | 12.8 | 12.2 | 11.7 | 11.2 | 11.0 |
| Daylight minimum duration (h) | 10.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 11.0 | 10.0 |
| Sunshine mean duration (h) | 10.3 | 10.7 | 11.2 | 11.6 | 11.5 | 12.0 | 10.8 | 9.9 | 10.8 | 9.5 | 9.9 | 8.8 |
| Precipitation (mm) | 13 | 26 | 33 | 23 | 81 | 29 | 248 | 151 | 89 | 115 | 71 | 53 |
| Sunny days | 20 | 20 | 13 | 10 | 3 | 15 | 0 | 0 | 12 | 5 | 11 | 13 |
| Rainy days | 11 | 8 | 18 | 20 | 28 | 15 | 31 | 31 | 18 | 26 | 19 | 18 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Bartolo del Llano (San Isidro) is at