Average annual temperature is 26.6 °C
Absolute maximum temperature: 36.7 °C
Absolute minimum temperature: 18.0 °C
Number of sunny days: 71 days
Number of rainy days: 294 days
Look at detailed online map of San Gregorio
* Weather data for San Gregorio Guatemala is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 34.1 | 35.6 | 36.0 | 36.7 | 36.5 | 32.2 | 33.1 | 33.1 | 34.0 | 32.0 | 32.6 | 33.6 |
| Average daytime temperature (°C) | 32.2 | 33.5 | 33.2 | 34.4 | 33.8 | 31.1 | 31.3 | 31.2 | 31.9 | 30.1 | 30.5 | 32.3 |
| Average temperature (°C) | 25.9 | 26.8 | 26.8 | 27.7 | 28.0 | 26.5 | 26.8 | 26.6 | 26.7 | 25.4 | 26.1 | 26.4 |
| Average night temperature (°C) | 21.2 | 21.9 | 22.5 | 23.2 | 24.2 | 23.6 | 23.6 | 23.2 | 23.0 | 22.5 | 22.7 | 21.4 |
| Absolute minimum temperature (°C) | 18.4 | 19.1 | 19.0 | 21.4 | 22.5 | 22.3 | 22.5 | 21.9 | 20.7 | 21.0 | 20.7 | 18.0 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 13.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 |
| Daylight mean duration (h) | 11.4 | 11.7 | 12.1 | 12.5 | 12.8 | 13.0 | 12.9 | 12.6 | 12.2 | 11.8 | 11.4 | 11.3 |
| Daylight minimum duration (h) | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Sunshine mean duration (h) | 10.4 | 10.6 | 10.7 | 11.1 | 11.2 | 10.1 | 9.6 | 9.3 | 10.0 | 8.5 | 9.8 | 10.2 |
| Precipitation (mm) | 8 | 3 | 70 | 80 | 235 | 297 | 177 | 159 | 262 | 498 | 33 | 8 |
| Sunny days | 19 | 20 | 3 | 1 | 0 | 1 | 2 | 2 | 0 | 0 | 3 | 20 |
| Rainy days | 12 | 8 | 28 | 29 | 31 | 29 | 29 | 29 | 30 | 31 | 27 | 11 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Gregorio is at