Average annual temperature is 20.5 °C
Absolute maximum temperature: 34.5 °C
Absolute minimum temperature: 8.2 °C
Number of sunny days: 65 days
Number of rainy days: 300 days
Look at detailed online map of San Juan Las Flores
* Weather data for San Juan Las Flores 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) | 28.3 | 27.4 | 31.2 | 34.5 | 31.4 | 32.2 | 27.1 | 29.0 | 27.5 | 30.7 | 26.6 | 26.6 |
| Average daytime temperature (°C) | 22.4 | 22.3 | 25.5 | 27.8 | 27.8 | 28.8 | 25.9 | 26.6 | 26.1 | 25.5 | 22.3 | 21.6 |
| Average temperature (°C) | 17.8 | 17.9 | 20.1 | 21.5 | 22.4 | 23.5 | 21.5 | 21.6 | 21.2 | 21.0 | 19.3 | 17.9 |
| Average night temperature (°C) | 14.0 | 14.6 | 15.7 | 16.1 | 17.7 | 18.9 | 18.2 | 17.9 | 17.2 | 17.8 | 17.0 | 15.0 |
| Absolute minimum temperature (°C) | 10.1 | 11.8 | 11.1 | 11.4 | 13.5 | 16.9 | 15.3 | 15.1 | 15.2 | 15.0 | 11.9 | 8.2 |
| 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) | 9.5 | 9.5 | 10.7 | 11.6 | 11.4 | 11.1 | 10.6 | 10.0 | 10.6 | 9.2 | 6.1 | 7.8 |
| Precipitation (mm) | 66 | 90 | 81 | 34 | 89 | 47 | 122 | 117 | 95 | 182 | 381 | 120 |
| Sunny days | 15 | 8 | 8 | 13 | 2 | 7 | 0 | 1 | 1 | 0 | 5 | 5 |
| Rainy days | 16 | 20 | 23 | 17 | 29 | 23 | 31 | 30 | 29 | 31 | 25 | 26 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Juan Las Flores is at