Average annual temperature is 13.4 °C
Absolute maximum temperature: 26.1 °C
Absolute minimum temperature: 3.2 °C
Number of sunny days: 83 days
Number of rainy days: 282 days
Look at detailed online map of San Juan Atitán
* Weather data for San Juan Atitán 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) | 21.1 | 23.9 | 24.9 | 26.1 | 24.4 | 23.9 | 20.4 | 20.5 | 19.8 | 20.6 | 20.4 | 19.8 |
| Average daytime temperature (°C) | 18.1 | 20.5 | 21.1 | 22.3 | 21.0 | 21.1 | 19.0 | 18.8 | 18.4 | 18.0 | 17.4 | 17.0 |
| Average temperature (°C) | 11.5 | 12.8 | 14.1 | 15.0 | 14.9 | 15.0 | 13.5 | 13.6 | 13.4 | 13.3 | 12.6 | 11.5 |
| Average night temperature (°C) | 6.2 | 7.0 | 8.3 | 8.8 | 10.0 | 10.2 | 9.4 | 9.6 | 9.6 | 10.0 | 9.2 | 7.2 |
| Absolute minimum temperature (°C) | 3.2 | 4.4 | 6.0 | 6.3 | 8.4 | 7.6 | 7.3 | 6.3 | 7.5 | 7.8 | 6.8 | 3.8 |
| 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 | 10.6 | 10.9 | 11.4 | 11.2 | 10.7 | 10.7 | 9.3 | 9.7 | 9.2 | 8.7 | 9.8 |
| Precipitation (mm) | 40 | 17 | 51 | 125 | 144 | 216 | 507 | 369 | 515 | 516 | 259 | 57 |
| Sunny days | 18 | 20 | 15 | 8 | 1 | 2 | 0 | 0 | 0 | 0 | 4 | 15 |
| Rainy days | 13 | 8 | 16 | 22 | 30 | 28 | 31 | 31 | 30 | 31 | 26 | 16 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Juan Atitán is at