Average annual temperature is 20.9 °C
Absolute maximum temperature: 33.3 °C
Absolute minimum temperature: 9.6 °C
Number of sunny days: 63 days
Number of rainy days: 302 days
Look at detailed online map of San Juan Arana
* Weather data for San Juan Arana 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) | 30.7 | 31.4 | 31.9 | 32.4 | 33.3 | 28.6 | 31.8 | 31.1 | 31.5 | 28.4 | 29.9 | 30.9 |
| Average daytime temperature (°C) | 27.9 | 29.2 | 28.5 | 29.2 | 28.6 | 26.8 | 28.5 | 28.0 | 28.0 | 26.0 | 26.9 | 28.3 |
| Average temperature (°C) | 19.9 | 20.8 | 20.7 | 21.3 | 21.6 | 20.9 | 21.7 | 21.4 | 20.9 | 20.2 | 20.7 | 20.6 |
| Average night temperature (°C) | 14.6 | 15.0 | 15.3 | 15.7 | 16.8 | 16.8 | 17.4 | 17.1 | 16.5 | 16.6 | 16.6 | 15.3 |
| Absolute minimum temperature (°C) | 9.6 | 11.5 | 12.9 | 13.9 | 15.0 | 14.8 | 15.5 | 15.7 | 15.1 | 15.4 | 11.7 | 10.6 |
| 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) | 10.4 | 10.8 | 11.0 | 11.1 | 11.0 | 9.9 | 10.0 | 9.5 | 9.6 | 8.9 | 9.6 | 10.3 |
| Precipitation (mm) | 13 | 7 | 52 | 64 | 181 | 245 | 226 | 156 | 209 | 300 | 77 | 7 |
| Sunny days | 15 | 15 | 4 | 6 | 0 | 0 | 0 | 0 | 0 | 1 | 3 | 19 |
| Rainy days | 16 | 13 | 27 | 24 | 31 | 30 | 31 | 31 | 30 | 30 | 27 | 12 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Juan Arana is at