Average annual temperature is 18.4 °C
Absolute maximum temperature: 30.1 °C
Absolute minimum temperature: 6 °C
Number of sunny days: 17
Number of rainy days: 348
Number of snow days:
Average annual precipitation: 3275 mm
Look at detailed online map of San Juan Chamelco
* Weather data for San Juan Chamelco Guatemala is based on climate observations for 2023 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 25 | 25.9 | 29 | 30.1 | 27.4 | 28.4 | 25.3 | 26.6 | 25.1 | 28.1 | 26.4 | 25.6 |
| Average daytime temperature (°C) | 21 | 21 | 23.3 | 24.9 | 25.3 | 25.9 | 23.4 | 24.2 | 23.7 | 22.8 | 20.5 | 19.6 |
| Average temperature (°C) | 16.1 | 16.2 | 17.9 | 19.1 | 20 | 20.8 | 19.4 | 19.6 | 19 | 18.8 | 17.6 | 16 |
| Average night temperature (°C) | 12.6 | 12.9 | 14.2 | 14.8 | 15.7 | 16.6 | 16.5 | 16.2 | 15.5 | 16 | 15.6 | 13.8 |
| Absolute minimum temperature (°C) | 6 | 9.2 | 11.3 | 10.7 | 13.2 | 14.9 | 14.6 | 14.8 | 13.7 | 12.7 | 12.3 | 8.4 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.5 | 11.8 | 12.3 | 12.7 | 13 | 13.1 | 13 | 12.8 | 12.4 | 12 | 11.6 | 11.3 |
| Daylight mean duration (h) | 11.3 | 11.6 | 12.1 | 12.5 | 12.9 | 13 | 12.9 | 12.6 | 12.2 | 11.8 | 11.4 | 11.2 |
| Daylight minimum duration (h) | 11.2 | 11.5 | 11.8 | 12.3 | 12.7 | 13 | 12.8 | 12.4 | 12 | 11.6 | 11.3 | 11.2 |
| Sunshine mean duration (h) | 9 | 8.5 | 10 | 11.3 | 11.5 | 10.7 | 9.7 | 9.6 | 9.5 | 8.2 | 6.6 | 7.1 |
| Precipitation (mm) | 138 | 192 | 157 | 71 | 117 | 265 | 489 | 322 | 308 | 353 | 611 | 253 |
| Sunny days | 3 | 3 | 3 | 1 | 3 | 2 | 2 | |||||
| Rainy days | 28 | 28 | 28 | 27 | 30 | 27 | 31 | 31 | 30 | 31 | 28 | 29 |
The largest precipitation sum in San Juan Chamelco is at