Average annual temperature is 21.2 °C
Absolute maximum temperature: 34.1 °C
Absolute minimum temperature: 9.3 °C
Number of sunny days: 102 days
Number of rainy days: 263 days
Look at detailed online map of Municipio de San Jerónimo
* Weather data for Municipio de San Jerónimo 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) | 30.8 | 32.3 | 32.8 | 34.1 | 33.2 | 33.8 | 28.6 | 29.8 | 28.6 | 28.8 | 27.2 | 27.8 |
| Average daytime temperature (°C) | 26.0 | 27.6 | 29.9 | 31.5 | 31.2 | 30.7 | 27.2 | 27.6 | 27.3 | 26.1 | 24.0 | 24.3 |
| Average temperature (°C) | 19.1 | 20.1 | 22.1 | 23.1 | 23.3 | 23.6 | 21.4 | 21.6 | 21.1 | 20.7 | 19.6 | 18.8 |
| Average night temperature (°C) | 14.5 | 15.0 | 16.4 | 17.0 | 18.1 | 18.8 | 17.8 | 17.7 | 17.2 | 17.5 | 16.8 | 15.1 |
| Absolute minimum temperature (°C) | 9.3 | 13.0 | 14.3 | 14.8 | 16.5 | 16.8 | 16.0 | 16.3 | 15.5 | 15.1 | 14.0 | 9.4 |
| 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 | 13.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 |
| Daylight mean duration (h) | 11.3 | 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) | 10.3 | 10.7 | 11.0 | 11.3 | 11.2 | 11.2 | 11.1 | 10.5 | 10.6 | 9.9 | 8.0 | 9.5 |
| Precipitation (mm) | 13 | 8 | 24 | 27 | 101 | 139 | 216 | 175 | 214 | 281 | 174 | 14 |
| Sunny days | 19 | 15 | 17 | 17 | 7 | 3 | 1 | 2 | 1 | 1 | 4 | 15 |
| Rainy days | 12 | 13 | 14 | 13 | 24 | 27 | 30 | 29 | 29 | 30 | 26 | 16 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Municipio de San Jerónimo is at