Average annual temperature is 24.5 °C
Absolute maximum temperature: 33.0 °C
Absolute minimum temperature: 18.1 °C
Number of sunny days: 19 days
Number of rainy days: 346 days
Look at detailed online map of San José Sur
* Weather data for San José 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) | 28.1 | 27.2 | 29.8 | 33.0 | 32.1 | 31.5 | 30.9 | 31.3 | 31.9 | 31.3 | 30.9 | 30.3 |
| Average daytime temperature (°C) | 26.0 | 26.2 | 27.4 | 28.8 | 30.1 | 28.8 | 28.4 | 29.2 | 29.9 | 28.6 | 27.7 | 27.3 |
| Average temperature (°C) | 22.5 | 22.8 | 23.5 | 24.4 | 25.8 | 25.2 | 24.9 | 25.3 | 25.6 | 25.1 | 24.4 | 24.0 |
| Average night temperature (°C) | 19.9 | 20.3 | 20.6 | 20.4 | 22.3 | 22.3 | 22.1 | 22.2 | 22.4 | 22.4 | 21.8 | 21.4 |
| Absolute minimum temperature (°C) | 18.2 | 18.1 | 18.7 | 18.5 | 21.2 | 20.5 | 21.0 | 21.1 | 21.6 | 21.5 | 20.8 | 19.6 |
| 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 | 12.4 | 12.6 | 12.7 | 12.7 | 12.5 | 12.2 | 11.9 | 11.7 | 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) | 9.4 | 10.1 | 9.5 | 10.6 | 10.1 | 8.5 | 8.2 | 8.9 | 9.8 | 7.2 | 7.7 | 8.0 |
| Precipitation (mm) | 398 | 232 | 157 | 126 | 146 | 334 | 408 | 430 | 186 | 393 | 440 | 383 |
| Sunny days | 1 | 0 | 2 | 11 | 3 | 0 | 0 | 0 | 1 | 0 | 0 | 1 |
| Rainy days | 30 | 28 | 29 | 19 | 28 | 30 | 31 | 31 | 29 | 31 | 30 | 30 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San José Sur is at