Average annual temperature is 24.3 °C
Absolute maximum temperature: 35.6 °C
Absolute minimum temperature: 15.1 °C
Number of sunny days: 39 days
Number of rainy days: 326 days
Look at detailed online map of Castañal
* Weather data for Castañal 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) | 30.3 | 29.8 | 33.1 | 35.6 | 33.6 | 35.0 | 31.4 | 31.7 | 30.9 | 33.9 | 29.8 | 30.3 |
| Average daytime temperature (°C) | 26.1 | 26.2 | 28.8 | 30.2 | 30.7 | 31.8 | 29.0 | 29.5 | 29.4 | 29.1 | 26.3 | 25.1 |
| Average temperature (°C) | 22.0 | 22.1 | 24.1 | 25.1 | 26.1 | 26.9 | 24.9 | 25.3 | 25.2 | 24.9 | 23.3 | 22.0 |
| Average night temperature (°C) | 19.4 | 19.4 | 20.7 | 21.4 | 22.9 | 23.6 | 22.3 | 22.5 | 22.4 | 22.2 | 21.2 | 19.9 |
| Absolute minimum temperature (°C) | 15.1 | 17.0 | 18.9 | 19.5 | 21.2 | 22.1 | 21.5 | 20.6 | 21.6 | 19.7 | 19.4 | 15.7 |
| 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 | 12.9 | 13.0 | 13.0 | 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) | 8.8 | 9.4 | 10.7 | 11.1 | 10.9 | 10.9 | 9.6 | 9.8 | 10.3 | 9.2 | 7.0 | 6.9 |
| Precipitation (mm) | 208 | 171 | 151 | 57 | 83 | 191 | 415 | 301 | 266 | 324 | 917 | 354 |
| Sunny days | 5 | 5 | 6 | 10 | 3 | 2 | 0 | 0 | 0 | 2 | 2 | 4 |
| Rainy days | 26 | 23 | 25 | 20 | 28 | 28 | 31 | 31 | 30 | 29 | 28 | 27 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Castañal is at