Average annual temperature is 27.1 °C
Absolute maximum temperature: 41.0 °C
Absolute minimum temperature: 13.1 °C
Number of sunny days: 137 days
Number of rainy days: 228 days
Look at detailed online map of San Bartolomé
* Weather data for San Bartolomé 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) | 32.7 | 34.2 | 36.7 | 39.3 | 39.5 | 41.0 | 38.0 | 37.6 | 36.5 | 36.9 | 33.5 | 33.2 |
| Average daytime temperature (°C) | 29.9 | 31.1 | 33.6 | 35.7 | 36.3 | 37.4 | 36.0 | 35.2 | 34.9 | 33.1 | 30.7 | 28.6 |
| Average temperature (°C) | 24.2 | 25.1 | 26.9 | 28.3 | 28.9 | 29.9 | 29.0 | 28.7 | 28.2 | 27.2 | 25.6 | 23.5 |
| Average night temperature (°C) | 20.1 | 20.7 | 22.0 | 22.9 | 23.7 | 24.9 | 24.8 | 24.7 | 24.1 | 23.2 | 22.3 | 20.1 |
| Absolute minimum temperature (°C) | 14.9 | 14.9 | 18.8 | 18.5 | 18.6 | 22.0 | 23.6 | 23.3 | 22.7 | 18.9 | 20.0 | 13.1 |
| 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) | 11.0 | 11.5 | 12.0 | 12.6 | 13.1 | 13.4 | 13.3 | 12.8 | 12.3 | 11.7 | 11.1 | 10.9 |
| Daylight minimum duration (h) | 10.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 9.6 | 9.8 | 10.3 | 11.6 | 11.8 | 11.7 | 11.2 | 11.5 | 11.0 | 10.2 | 9.2 | 9.0 |
| Precipitation (mm) | 25 | 18 | 18 | 16 | 13 | 59 | 90 | 110 | 84 | 73 | 50 | 68 |
| Sunny days | 13 | 16 | 23 | 22 | 15 | 12 | 2 | 1 | 1 | 10 | 11 | 11 |
| Rainy days | 18 | 12 | 8 | 8 | 16 | 18 | 29 | 30 | 29 | 21 | 19 | 20 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Bartolomé is at