Average annual temperature is 11.4 °C
Absolute maximum temperature: 20.7 °C
Absolute minimum temperature: 2.2 °C
Number of sunny days: 62 days
Number of rainy days: 303 days
Look at detailed online map of San Juán Los Altos
* Weather data for San Juán Los Altos 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) | 16.8 | 18.5 | 18.5 | 19.1 | 20.7 | 19.0 | 17.3 | 17.3 | 17.2 | 16.7 | 16.7 | 16.7 |
| Average daytime temperature (°C) | 14.4 | 15.8 | 15.5 | 16.9 | 16.7 | 16.6 | 15.6 | 15.7 | 15.6 | 14.9 | 15.1 | 14.6 |
| Average temperature (°C) | 9.5 | 10.3 | 11.0 | 12.3 | 12.7 | 12.6 | 11.7 | 11.7 | 11.6 | 11.5 | 11.1 | 10.2 |
| Average night temperature (°C) | 5.2 | 5.7 | 7.4 | 8.3 | 8.9 | 8.5 | 8.2 | 8.2 | 7.8 | 8.3 | 7.7 | 6.2 |
| Absolute minimum temperature (°C) | 2.3 | 2.2 | 4.6 | 4.9 | 6.8 | 6.7 | 6.4 | 5.2 | 6.6 | 6.0 | 5.7 | 2.8 |
| 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 | 12.8 | 13.0 | 12.9 | 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) | 10.2 | 10.7 | 10.6 | 11.1 | 10.7 | 10.1 | 9.3 | 8.9 | 9.5 | 8.4 | 9.0 | 10.1 |
| Precipitation (mm) | 19 | 19 | 75 | 42 | 82 | 122 | 187 | 124 | 107 | 216 | 68 | 18 |
| Sunny days | 11 | 11 | 2 | 8 | 3 | 3 | 2 | 1 | 0 | 0 | 5 | 16 |
| Rainy days | 20 | 17 | 29 | 22 | 28 | 27 | 29 | 30 | 30 | 31 | 25 | 15 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Juán Los Altos is at