Average annual temperature is 20.4 °C
Absolute maximum temperature: 34.1 °C
Absolute minimum temperature: 5.9 °C
Number of sunny days: 101 days
Number of rainy days: 264 days
Look at detailed online map of San Juan Los Llanos
* Weather data for San Juan Los Llanos 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) | 29.8 | 31.7 | 32.4 | 33.6 | 33.9 | 34.1 | 28.6 | 29.9 | 28.6 | 27.8 | 28.0 | 29.7 |
| Average daytime temperature (°C) | 26.2 | 27.7 | 30.0 | 31.6 | 30.7 | 30.5 | 26.8 | 27.8 | 27.2 | 25.8 | 24.6 | 25.8 |
| Average temperature (°C) | 18.3 | 19.4 | 21.3 | 22.4 | 22.2 | 22.7 | 20.3 | 20.7 | 20.2 | 19.8 | 19.1 | 18.5 |
| Average night temperature (°C) | 11.7 | 12.3 | 14.0 | 14.5 | 15.7 | 16.3 | 15.6 | 15.6 | 15.3 | 15.5 | 15.0 | 12.6 |
| Absolute minimum temperature (°C) | 7.3 | 10.1 | 11.1 | 12.2 | 13.8 | 14.7 | 13.4 | 13.9 | 14.1 | 12.2 | 11.4 | 5.9 |
| 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) | 10.3 | 10.6 | 10.8 | 11.4 | 11.2 | 11.0 | 10.7 | 10.3 | 10.5 | 9.7 | 8.5 | 10.0 |
| Precipitation (mm) | 14 | 5 | 35 | 21 | 88 | 134 | 252 | 194 | 314 | 199 | 122 | 5 |
| Sunny days | 19 | 16 | 13 | 9 | 7 | 5 | 1 | 0 | 0 | 1 | 8 | 22 |
| Rainy days | 12 | 12 | 18 | 21 | 24 | 25 | 30 | 31 | 30 | 30 | 22 | 9 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Juan Los Llanos is at