Average annual temperature is 19.0 °C
Absolute maximum temperature: 25.7 °C
Absolute minimum temperature: 11.8 °C
Number of sunny days: 13 days
Number of rainy days: 352 days
Look at detailed online map of Bolsón
* Weather data for Bolsón 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) | 22.8 | 22.0 | 23.2 | 25.3 | 25.4 | 25.3 | 24.7 | 25.7 | 25.5 | 24.9 | 24.2 | 23.6 |
| Average daytime temperature (°C) | 20.8 | 20.8 | 21.5 | 22.5 | 24.0 | 23.9 | 23.1 | 23.5 | 23.7 | 23.1 | 22.2 | 21.4 |
| Average temperature (°C) | 17.2 | 17.2 | 17.8 | 18.2 | 19.9 | 20.0 | 19.7 | 20.0 | 20.0 | 19.8 | 19.4 | 18.5 |
| Average night temperature (°C) | 14.2 | 14.2 | 14.7 | 14.3 | 16.4 | 16.6 | 16.9 | 17.0 | 16.7 | 17.1 | 17.0 | 16.1 |
| Absolute minimum temperature (°C) | 11.9 | 11.8 | 12.6 | 12.1 | 14.3 | 15.2 | 16.0 | 15.9 | 15.5 | 15.2 | 15.1 | 14.0 |
| 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) | 8.4 | 8.7 | 7.7 | 8.9 | 9.1 | 8.0 | 7.9 | 8.7 | 9.3 | 7.0 | 7.1 | 7.7 |
| Precipitation (mm) | 159 | 87 | 174 | 134 | 119 | 158 | 204 | 216 | 121 | 380 | 415 | 182 |
| Sunny days | 1 | 1 | 3 | 2 | 3 | 0 | 0 | 0 | 1 | 0 | 1 | 1 |
| Rainy days | 30 | 27 | 28 | 28 | 28 | 30 | 31 | 31 | 29 | 31 | 29 | 30 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Bolsón is at