Average annual temperature is 21.8 °C
Absolute maximum temperature: 27.6 °C
Absolute minimum temperature: 13.0 °C
Number of sunny days: 4 days
Number of rainy days: 361 days
Look at detailed online map of San Ramón Sur
* Weather data for San Ramón Sur 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) | 25.5 | 27.4 | 27.3 | 27.2 | 27.6 | 26.7 | 26.7 | 26.7 | 26.4 | 26.3 | 26.1 | 26.5 |
| Average daytime temperature (°C) | 23.9 | 25.9 | 25.3 | 25.7 | 26.1 | 25.4 | 25.0 | 25.1 | 25.2 | 24.9 | 24.4 | 25.4 |
| Average temperature (°C) | 20.5 | 21.7 | 21.5 | 22.0 | 22.5 | 22.3 | 22.1 | 22.0 | 21.9 | 21.8 | 21.5 | 21.9 |
| Average night temperature (°C) | 16.7 | 17.3 | 17.7 | 18.3 | 19.3 | 19.4 | 19.4 | 19.2 | 19.0 | 19.2 | 19.1 | 18.8 |
| Absolute minimum temperature (°C) | 13.3 | 15.4 | 13.0 | 16.0 | 17.6 | 18.0 | 18.4 | 18.1 | 17.2 | 18.2 | 17.3 | 15.8 |
| 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) | 9.8 | 10.8 | 9.1 | 9.5 | 8.4 | 7.2 | 6.8 | 7.6 | 7.4 | 6.0 | 6.7 | 9.7 |
| Precipitation (mm) | 140 | 53 | 164 | 160 | 220 | 263 | 424 | 477 | 300 | 678 | 835 | 164 |
| Sunny days | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 |
| Rainy days | 31 | 26 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 29 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit San Ramón Sur during the most sunny months:
The largest precipitation sum in San Ramón Sur is at