Average annual temperature is 20.2 °C
Absolute maximum temperature: 32.0 °C
Absolute minimum temperature: 8.9 °C
Number of sunny days: 73 days
Number of rainy days: 292 days
Look at detailed online map of San Juan Bosco
* Weather data for San Juan Bosco 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) | 29.4 | 30.7 | 31.8 | 32.0 | 31.3 | 29.5 | 28.6 | 29.0 | 28.7 | 26.9 | 27.5 | 28.0 |
| Average daytime temperature (°C) | 26.5 | 27.8 | 28.0 | 28.9 | 27.7 | 26.7 | 26.8 | 26.6 | 26.7 | 25.1 | 25.1 | 25.3 |
| Average temperature (°C) | 19.2 | 19.9 | 20.3 | 21.0 | 21.3 | 20.8 | 20.9 | 20.7 | 20.4 | 19.8 | 19.8 | 18.9 |
| Average night temperature (°C) | 14.0 | 14.3 | 15.1 | 15.7 | 16.5 | 16.6 | 17.0 | 16.9 | 16.6 | 16.7 | 16.2 | 14.3 |
| Absolute minimum temperature (°C) | 9.0 | 11.9 | 12.0 | 13.7 | 15.4 | 15.2 | 15.4 | 15.3 | 15.0 | 14.9 | 12.6 | 8.9 |
| 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 | 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 | 10.6 | 10.9 | 11.1 | 10.9 | 10.5 | 10.4 | 9.7 | 9.8 | 9.1 | 9.3 | 10.2 |
| Precipitation (mm) | 10 | 5 | 54 | 84 | 163 | 254 | 261 | 219 | 326 | 403 | 67 | 9 |
| Sunny days | 15 | 18 | 6 | 3 | 2 | 0 | 4 | 0 | 0 | 0 | 5 | 20 |
| Rainy days | 16 | 10 | 25 | 27 | 29 | 30 | 27 | 31 | 30 | 31 | 25 | 11 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Juan Bosco is at