Average annual temperature is 20.6 °C
Absolute maximum temperature: 36.9 °C
Absolute minimum temperature: 4.1 °C
Number of sunny days: 248 days
Number of rainy days: 117 days
Look at detailed online map of San Gustavo
* Weather data for San Gustavo 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) | 27.0 | 30.4 | 32.4 | 33.6 | 34.1 | 36.9 | 32.8 | 31.4 | 34.9 | 31.6 | 30.2 | 22.9 |
| Average daytime temperature (°C) | 24.4 | 26.6 | 29.7 | 30.7 | 31.2 | 34.1 | 29.1 | 28.5 | 29.7 | 27.1 | 25.9 | 20.1 |
| Average temperature (°C) | 16.3 | 18.5 | 21.6 | 23.0 | 23.7 | 26.2 | 22.0 | 21.5 | 22.3 | 20.2 | 18.1 | 13.7 |
| Average night temperature (°C) | 8.7 | 10.7 | 13.3 | 15.1 | 16.0 | 18.3 | 16.1 | 15.8 | 15.3 | 14.5 | 11.4 | 8.6 |
| Absolute minimum temperature (°C) | 6.4 | 5.6 | 8.5 | 12.8 | 13.2 | 15.0 | 13.9 | 13.0 | 12.7 | 9.5 | 8.3 | 4.1 |
| 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) | 10.0 | 10.5 | 11.1 | 11.6 | 11.8 | 12.4 | 11.9 | 11.2 | 11.4 | 10.0 | 9.9 | 7.9 |
| Precipitation (mm) | 0 | 1 | 0 | 0 | 14 | 22 | 65 | 73 | 28 | 33 | 39 | 37 |
| Sunny days | 30 | 27 | 26 | 25 | 20 | 27 | 11 | 8 | 22 | 17 | 19 | 16 |
| Rainy days | 1 | 1 | 5 | 5 | 11 | 3 | 20 | 23 | 8 | 14 | 11 | 15 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Gustavo is at