Average annual temperature is 13.0 °C
Absolute maximum temperature: 24.3 °C
Absolute minimum temperature: -1.2 °C
Number of sunny days: 83 days
Number of rainy days: 282 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) | 21.1 | 22.5 | 23.1 | 24.3 | 24.1 | 23.1 | 20.2 | 21.3 | 20.5 | 19.7 | 21.3 | 20.0 |
| Average daytime temperature (°C) | 18.1 | 19.3 | 20.0 | 21.8 | 20.3 | 20.5 | 18.6 | 19.0 | 19.1 | 18.2 | 17.7 | 17.7 |
| Average temperature (°C) | 10.9 | 11.5 | 13.1 | 14.2 | 14.1 | 14.4 | 13.4 | 13.5 | 13.6 | 13.3 | 12.7 | 11.3 |
| Average night temperature (°C) | 5.2 | 5.1 | 7.2 | 7.5 | 8.5 | 9.4 | 9.5 | 9.2 | 9.3 | 9.8 | 8.8 | 6.2 |
| Absolute minimum temperature (°C) | 1.6 | 2.8 | 3.2 | 3.8 | 4.8 | 7.9 | 6.2 | 6.1 | 6.4 | 7.4 | 4.6 | -1.2 |
| 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 | 12.0 | 11.0 | 11.0 |
| Daylight mean duration (h) | 11.3 | 11.7 | 12.1 | 12.5 | 12.8 | 13.0 | 12.9 | 12.6 | 12.2 | 11.8 | 11.4 | 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) | 10.3 | 10.7 | 10.9 | 11.2 | 10.9 | 10.6 | 9.8 | 9.6 | 9.9 | 8.9 | 9.3 | 10.1 |
| Precipitation (mm) | 7 | 5 | 49 | 60 | 151 | 123 | 259 | 169 | 167 | 202 | 102 | 13 |
| Sunny days | 15 | 15 | 9 | 10 | 5 | 5 | 1 | 3 | 0 | 0 | 7 | 13 |
| Rainy days | 16 | 13 | 22 | 20 | 26 | 25 | 30 | 28 | 30 | 31 | 23 | 18 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Río Blanco is at