Average annual temperature is 24.7 °C
Absolute maximum temperature: 35.9 °C
Absolute minimum temperature: 17.6 °C
Number of sunny days: 38 days
Number of rainy days: 327 days
Look at detailed online map of Balso
* Weather data for Balso Costa Rica is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 33.4 | 34.5 | 33.7 | 34.5 | 35.9 | 30.5 | 32.2 | 31.2 | 30.5 | 29.7 | 30.4 | 31.9 |
| Average daytime temperature (°C) | 30.0 | 33.6 | 30.6 | 32.3 | 31.6 | 28.5 | 28.9 | 28.5 | 28.7 | 27.7 | 28.1 | 30.3 |
| Average temperature (°C) | 24.2 | 26.5 | 24.9 | 26.1 | 26.1 | 24.5 | 24.4 | 24.1 | 24.3 | 23.4 | 23.6 | 24.7 |
| Average night temperature (°C) | 19.9 | 21.2 | 20.7 | 21.5 | 22.4 | 21.9 | 21.4 | 21.2 | 21.2 | 21.1 | 20.9 | 20.5 |
| Absolute minimum temperature (°C) | 18.0 | 19.5 | 17.9 | 20.2 | 20.1 | 21.1 | 20.5 | 19.6 | 20.3 | 20.3 | 19.9 | 17.6 |
| 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) | 11.6 | 11.8 | 12.1 | 12.3 | 12.6 | 12.7 | 12.6 | 12.4 | 12.2 | 11.9 | 11.7 | 11.6 |
| 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) | 10.7 | 11.1 | 10.6 | 11.2 | 10.1 | 8.4 | 8.7 | 8.3 | 9.2 | 6.8 | 8.3 | 10.2 |
| Precipitation (mm) | 77 | 5 | 181 | 86 | 262 | 422 | 386 | 503 | 358 | 702 | 396 | 88 |
| Sunny days | 4 | 16 | 4 | 1 | 2 | 0 | 1 | 0 | 0 | 0 | 1 | 9 |
| Rainy days | 27 | 12 | 27 | 29 | 29 | 30 | 30 | 31 | 30 | 31 | 29 | 22 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Balso is at