Average annual temperature is 13.9 °C
Absolute maximum temperature: 25.3 °C
Absolute minimum temperature: 2.1 °C
Number of sunny days: 117 days
Number of rainy days: 248 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) | 19.8 | 22.8 | 23.3 | 24.5 | 23.4 | 25.3 | 21.1 | 20.4 | 23.0 | 21.1 | 21.1 | 17.6 |
| Average daytime temperature (°C) | 17.0 | 19.0 | 21.2 | 21.7 | 21.2 | 22.4 | 19.0 | 18.9 | 19.5 | 18.4 | 18.0 | 15.8 |
| Average temperature (°C) | 11.6 | 12.9 | 14.8 | 15.4 | 15.3 | 16.9 | 14.3 | 14.2 | 14.5 | 13.7 | 13.0 | 10.7 |
| Average night temperature (°C) | 6.8 | 7.3 | 9.3 | 10.2 | 10.6 | 11.9 | 10.3 | 10.1 | 9.7 | 10.0 | 8.4 | 6.6 |
| Absolute minimum temperature (°C) | 3.9 | 4.9 | 5.1 | 7.7 | 8.3 | 9.3 | 9.0 | 8.3 | 7.9 | 8.4 | 6.2 | 2.1 |
| 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 | 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 | 13.1 | 12.8 | 12.2 | 11.7 | 11.2 | 11.0 |
| Daylight minimum duration (h) | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 10.0 |
| Sunshine mean duration (h) | 10.3 | 10.7 | 11.3 | 11.5 | 11.5 | 12.1 | 11.0 | 10.6 | 10.8 | 9.6 | 10.0 | 9.1 |
| Precipitation (mm) | 7 | 1 | 21 | 57 | 230 | 102 | 239 | 199 | 152 | 167 | 60 | 24 |
| Sunny days | 24 | 22 | 18 | 14 | 4 | 5 | 0 | 0 | 3 | 2 | 9 | 16 |
| Rainy days | 7 | 6 | 13 | 16 | 27 | 25 | 31 | 31 | 27 | 29 | 21 | 15 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Bartolomé is at