Average annual temperature is 25.3 °C
Absolute maximum temperature: 34.7 °C
Absolute minimum temperature: 19.1 °C
Number of sunny days: 10 days
Number of rainy days: 355 days
Look at detailed online map of Caño San Luis
* Weather data for Caño San Luis 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) | 29.1 | 29.3 | 30.9 | 34.1 | 33.8 | 34.7 | 31.9 | 33.2 | 33.0 | 32.8 | 31.3 | 30.8 |
| Average daytime temperature (°C) | 27.2 | 27.8 | 29.0 | 30.4 | 31.6 | 30.7 | 29.3 | 30.5 | 30.8 | 30.0 | 28.9 | 28.3 |
| Average temperature (°C) | 23.4 | 23.7 | 24.5 | 25.2 | 26.8 | 26.0 | 25.5 | 26.0 | 26.3 | 25.7 | 25.1 | 24.7 |
| Average night temperature (°C) | 20.8 | 20.8 | 21.1 | 21.2 | 23.3 | 23.4 | 23.2 | 23.2 | 23.3 | 23.4 | 23.0 | 22.4 |
| Absolute minimum temperature (°C) | 19.6 | 19.8 | 19.4 | 19.1 | 21.5 | 22.3 | 22.4 | 22.4 | 22.8 | 22.3 | 21.7 | 20.4 |
| 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 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 |
| Daylight mean duration (h) | 11.6 | 11.8 | 12.1 | 12.4 | 12.6 | 12.7 | 12.7 | 12.5 | 12.2 | 11.9 | 11.6 | 11.5 |
| 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) | 9.1 | 10.4 | 9.9 | 11.0 | 10.2 | 8.1 | 6.5 | 8.4 | 9.5 | 7.1 | 7.1 | 8.2 |
| Precipitation (mm) | 185 | 110 | 87 | 47 | 123 | 381 | 403 | 339 | 184 | 431 | 387 | 182 |
| Sunny days | 0 | 0 | 1 | 7 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 |
| Rainy days | 31 | 28 | 30 | 23 | 30 | 30 | 31 | 31 | 29 | 31 | 30 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Caño San Luis is at