Average annual temperature is 14.2 °C
Absolute maximum temperature: 25.4 °C
Absolute minimum temperature: 1.9 °C
Number of sunny days: 55 days
Number of rainy days: 310 days
Look at detailed online map of Iualá
* Weather data for Iualá 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) | 21.5 | 23.7 | 25.4 | 25.3 | 24.4 | 24.0 | 21.1 | 22.4 | 21.4 | 22.9 | 23.0 | 21.6 |
| Average daytime temperature (°C) | 18.0 | 18.6 | 20.3 | 21.8 | 21.8 | 21.9 | 20.1 | 20.4 | 20.3 | 19.3 | 17.7 | 16.9 |
| Average temperature (°C) | 12.0 | 12.4 | 13.8 | 14.9 | 15.5 | 15.9 | 15.0 | 15.1 | 14.8 | 14.7 | 13.7 | 12.4 |
| Average night temperature (°C) | 6.8 | 7.4 | 9.0 | 9.1 | 10.0 | 10.9 | 11.0 | 10.8 | 10.5 | 11.3 | 10.7 | 9.0 |
| Absolute minimum temperature (°C) | 1.9 | 5.1 | 6.8 | 3.9 | 6.9 | 8.1 | 8.1 | 7.3 | 8.2 | 9.8 | 6.5 | 1.9 |
| 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 | 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) | 9.7 | 10.0 | 10.6 | 11.4 | 11.3 | 11.0 | 10.2 | 9.9 | 10.6 | 8.6 | 6.6 | 7.9 |
| Precipitation (mm) | 47 | 75 | 82 | 53 | 102 | 158 | 408 | 256 | 209 | 262 | 368 | 107 |
| Sunny days | 12 | 8 | 6 | 9 | 5 | 3 | 0 | 1 | 0 | 0 | 6 | 5 |
| Rainy days | 19 | 20 | 25 | 21 | 26 | 27 | 31 | 30 | 30 | 31 | 24 | 26 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Iualá is at