Average annual temperature is 15.2 °C
Absolute maximum temperature: 25.0 °C
Absolute minimum temperature: 5.4 °C
Number of sunny days: 90 days
Number of rainy days: 275 days
Look at detailed online map of San José Chacayá
* Weather data for San José Chacayá 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) | 21.7 | 23.5 | 23.6 | 24.3 | 25.0 | 23.8 | 22.5 | 22.8 | 23.0 | 21.7 | 22.2 | 21.8 |
| Average daytime temperature (°C) | 19.1 | 20.2 | 20.4 | 21.6 | 21.1 | 21.3 | 20.7 | 21.1 | 21.2 | 19.8 | 19.5 | 19.7 |
| Average temperature (°C) | 13.5 | 14.0 | 14.9 | 15.8 | 16.3 | 16.5 | 15.8 | 15.9 | 15.8 | 15.4 | 14.9 | 13.9 |
| Average night temperature (°C) | 9.2 | 9.4 | 10.6 | 10.9 | 11.9 | 12.5 | 12.3 | 12.1 | 11.8 | 12.2 | 11.7 | 9.6 |
| Absolute minimum temperature (°C) | 6.4 | 7.8 | 8.5 | 9.1 | 9.9 | 11.2 | 10.7 | 9.9 | 10.3 | 10.5 | 8.1 | 5.4 |
| 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 | 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 | 10.8 | 10.8 | 11.1 | 11.2 | 10.6 | 10.2 | 10.2 | 9.8 | 9.3 | 9.1 | 10.0 |
| Precipitation (mm) | 5 | 3 | 34 | 80 | 121 | 124 | 162 | 141 | 169 | 199 | 63 | 5 |
| Sunny days | 20 | 17 | 8 | 8 | 6 | 0 | 2 | 1 | 0 | 0 | 8 | 20 |
| Rainy days | 11 | 11 | 23 | 22 | 25 | 30 | 29 | 30 | 30 | 31 | 22 | 11 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San José Chacayá is at