Average annual temperature is 19.5 °C
Absolute maximum temperature: 30.2 °C
Absolute minimum temperature: 9.2 °C
Number of sunny days: 22 days
Number of rainy days: 343 days
Look at detailed online map of Río Blanco
* Weather data for Río Blanco 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) | 25.1 | 25.5 | 28.2 | 30.2 | 27.7 | 29.0 | 25.0 | 25.6 | 24.6 | 27.9 | 24.8 | 24.7 |
| Average daytime temperature (°C) | 20.7 | 20.7 | 23.4 | 25.1 | 25.2 | 26.0 | 23.4 | 23.9 | 23.8 | 23.3 | 21.0 | 20.1 |
| Average temperature (°C) | 17.2 | 17.2 | 19.3 | 20.5 | 21.3 | 22.0 | 20.1 | 20.5 | 20.3 | 19.9 | 18.5 | 17.3 |
| Average night temperature (°C) | 14.3 | 14.8 | 16.2 | 16.8 | 18.2 | 18.5 | 18.1 | 18.1 | 17.7 | 17.3 | 16.9 | 15.1 |
| Absolute minimum temperature (°C) | 9.2 | 12.9 | 13.4 | 14.5 | 16.9 | 17.1 | 17.1 | 16.8 | 16.5 | 14.4 | 14.6 | 9.4 |
| 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) | 9.4 | 9.3 | 10.6 | 11.5 | 10.8 | 10.9 | 9.8 | 10.4 | 10.6 | 9.4 | 6.9 | 7.6 |
| Precipitation (mm) | 146 | 169 | 180 | 52 | 143 | 264 | 563 | 349 | 237 | 327 | 743 | 220 |
| Sunny days | 7 | 0 | 3 | 4 | 2 | 2 | 0 | 0 | 0 | 0 | 2 | 2 |
| Rainy days | 24 | 28 | 28 | 26 | 29 | 28 | 31 | 31 | 30 | 31 | 28 | 29 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Río Blanco is at