Average annual temperature is 15.5 °C
Absolute maximum temperature: 25.1 °C
Absolute minimum temperature: 2.2 °C
Number of sunny days: 59 days
Number of rainy days: 306 days
Look at detailed online map of San José Calderas
* Weather data for San José Calderas 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) | 22.3 | 24.2 | 24.0 | 24.8 | 25.1 | 23.3 | 23.3 | 23.7 | 23.1 | 21.8 | 21.4 | 22.3 |
| Average daytime temperature (°C) | 20.0 | 21.4 | 20.7 | 21.9 | 21.2 | 21.0 | 21.3 | 21.5 | 21.1 | 19.7 | 19.6 | 20.2 |
| Average temperature (°C) | 13.6 | 14.4 | 14.9 | 15.8 | 16.3 | 16.4 | 16.4 | 16.6 | 16.2 | 15.5 | 15.2 | 14.2 |
| Average night temperature (°C) | 8.7 | 9.1 | 10.6 | 11.2 | 12.4 | 12.6 | 12.5 | 12.6 | 12.2 | 12.5 | 11.7 | 9.5 |
| Absolute minimum temperature (°C) | 4.8 | 6.5 | 7.6 | 8.2 | 10.6 | 10.6 | 10.5 | 10.9 | 10.7 | 10.1 | 9.0 | 2.2 |
| 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 | 12.0 | 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 | 11.5 | 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) | 10.2 | 10.6 | 10.3 | 10.7 | 10.7 | 10.3 | 10.1 | 9.8 | 9.7 | 8.8 | 9.1 | 10.0 |
| Precipitation (mm) | 27 | 18 | 88 | 88 | 160 | 198 | 145 | 118 | 182 | 219 | 65 | 17 |
| Sunny days | 11 | 12 | 4 | 2 | 4 | 0 | 1 | 1 | 0 | 0 | 7 | 17 |
| Rainy days | 20 | 16 | 27 | 28 | 27 | 30 | 30 | 30 | 30 | 31 | 23 | 14 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San José Calderas is at