Average annual temperature is 23.2 °C
Absolute maximum temperature: 36.2 °C
Absolute minimum temperature: 12.3 °C
Number of sunny days: 50 days
Number of rainy days: 315 days
Look at detailed online map of San Juan Chactelá
* Weather data for San Juan Chactelá 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) | 28.2 | 28.5 | 30.6 | 35.2 | 33.9 | 36.2 | 29.8 | 31.1 | 29.6 | 32.1 | 27.7 | 28.6 |
| Average daytime temperature (°C) | 24.9 | 25.2 | 28.2 | 30.7 | 30.6 | 32.3 | 28.4 | 28.9 | 28.6 | 28.0 | 25.2 | 23.9 |
| Average temperature (°C) | 20.5 | 20.7 | 23.1 | 24.6 | 25.3 | 26.6 | 23.6 | 24.1 | 23.7 | 23.7 | 22.2 | 20.7 |
| Average night temperature (°C) | 16.5 | 16.7 | 18.7 | 19.4 | 20.5 | 21.8 | 20.3 | 20.4 | 20.0 | 20.7 | 19.7 | 18.0 |
| Absolute minimum temperature (°C) | 12.5 | 14.4 | 15.6 | 15.7 | 18.8 | 17.5 | 18.3 | 17.6 | 18.4 | 19.4 | 16.1 | 12.3 |
| 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 | 11.0 | 11.0 | 11.0 |
| Daylight mean duration (h) | 11.3 | 11.6 | 12.1 | 12.5 | 12.9 | 13.0 | 13.0 | 12.6 | 12.2 | 11.8 | 11.4 | 11.2 |
| 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) | 9.3 | 9.5 | 10.6 | 11.3 | 11.4 | 11.2 | 10.1 | 10.3 | 10.2 | 9.2 | 6.2 | 6.8 |
| Precipitation (mm) | 172 | 189 | 123 | 100 | 145 | 212 | 649 | 412 | 564 | 584 | 634 | 309 |
| Sunny days | 7 | 5 | 7 | 13 | 4 | 7 | 0 | 1 | 0 | 0 | 2 | 4 |
| Rainy days | 24 | 23 | 24 | 17 | 27 | 23 | 31 | 30 | 30 | 31 | 28 | 27 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Juan Chactelá is at