Average annual temperature is 17.1 °C
Absolute maximum temperature: 29.8 °C
Absolute minimum temperature: 4.2 °C
Number of sunny days: 68 days
Number of rainy days: 297 days
Look at detailed online map of San José Yalú
* Weather data for San José Yalú 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) | 26.2 | 27.2 | 28.6 | 29.8 | 29.2 | 29.5 | 24.8 | 26.2 | 25.2 | 25.5 | 24.7 | 26.2 |
| Average daytime temperature (°C) | 21.5 | 22.9 | 25.3 | 27.1 | 25.4 | 25.4 | 23.1 | 23.9 | 23.8 | 22.5 | 21.1 | 22.1 |
| Average temperature (°C) | 14.6 | 15.5 | 17.4 | 18.5 | 18.4 | 18.8 | 17.6 | 18.0 | 17.6 | 17.2 | 16.3 | 15.5 |
| Average night temperature (°C) | 9.3 | 9.6 | 11.5 | 11.8 | 13.0 | 13.8 | 13.3 | 13.3 | 13.0 | 13.3 | 12.6 | 10.3 |
| Absolute minimum temperature (°C) | 4.8 | 7.8 | 9.2 | 9.8 | 11.3 | 12.1 | 11.7 | 12.1 | 11.6 | 11.0 | 8.8 | 4.2 |
| 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 | 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) | 10.1 | 10.4 | 10.8 | 11.2 | 11.1 | 10.8 | 10.8 | 10.5 | 10.4 | 9.8 | 8.9 | 9.8 |
| Precipitation (mm) | 44 | 36 | 55 | 31 | 168 | 152 | 191 | 164 | 174 | 228 | 111 | 25 |
| Sunny days | 13 | 15 | 6 | 10 | 5 | 3 | 0 | 0 | 0 | 1 | 2 | 13 |
| Rainy days | 18 | 13 | 25 | 20 | 26 | 27 | 31 | 31 | 30 | 30 | 28 | 18 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San José Yalú is at