Average annual temperature is 25.1 °C
Absolute maximum temperature: 35.2 °C
Absolute minimum temperature: 18.9 °C
Number of sunny days: 9 days
Number of rainy days: 356 days
Look at detailed online map of San Carlos
* Weather data for San Carlos 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 | 31.2 | 34.1 | 33.3 | 35.2 | 31.8 | 33.3 | 33.4 | 32.6 | 31.6 | 31.2 |
| Average daytime temperature (°C) | 27.4 | 27.9 | 28.8 | 30.2 | 31.4 | 30.8 | 29.3 | 30.4 | 30.8 | 29.8 | 28.7 | 28.2 |
| Average temperature (°C) | 23.2 | 23.6 | 24.4 | 25.1 | 26.6 | 25.9 | 25.4 | 25.8 | 26.1 | 25.6 | 25.0 | 24.6 |
| Average night temperature (°C) | 20.5 | 20.6 | 21.2 | 21.2 | 23.1 | 23.2 | 23.0 | 23.0 | 23.2 | 23.3 | 22.8 | 22.3 |
| Absolute minimum temperature (°C) | 19.7 | 19.1 | 18.9 | 20.1 | 21.6 | 21.6 | 21.9 | 22.0 | 22.6 | 22.4 | 21.9 | 20.7 |
| 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 | 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) | 8.9 | 10.2 | 9.6 | 10.8 | 10.2 | 8.1 | 6.4 | 8.5 | 9.2 | 7.0 | 6.9 | 7.8 |
| Precipitation (mm) | 350 | 183 | 132 | 79 | 144 | 398 | 577 | 414 | 278 | 391 | 514 | 293 |
| Sunny days | 0 | 0 | 0 | 7 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 |
| Rainy days | 31 | 28 | 31 | 23 | 30 | 30 | 31 | 31 | 29 | 31 | 30 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit San Carlos during the most sunny months:
The largest precipitation sum in San Carlos is at