Average annual temperature is 20.4 °C
Absolute maximum temperature: 30.3 °C
Absolute minimum temperature: 11.8 °C
Number of sunny days: 76
Number of rainy days: 289
Number of snow days:
Average annual precipitation: 2933 mm
Look at detailed online map of San José
* Weather data for San José Costa Rica is based on climate observations for 2023 year
| Jan | Feb | Mar | Apr | Maggio | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 26.9 | 27.3 | 28.8 | 29.7 | 30.3 | 27.1 | 27.2 | 27.7 | 27.8 | 27 | 27 | 27 |
| Average daytime temperature (°C) | 24.8 | 26 | 25.9 | 27.6 | 27.8 | 25.3 | 25.7 | 25.7 | 26.3 | 24.4 | 24.7 | 25.2 |
| Average temperature (°C) | 19.5 | 20.2 | 19.9 | 21 | 21.5 | 20.4 | 20.9 | 20.6 | 20.6 | 19.6 | 20 | 20.4 |
| Average night temperature (°C) | 15.5 | 16.1 | 15.7 | 15.7 | 17.3 | 16.8 | 17.4 | 16.9 | 16.8 | 16.6 | 16.9 | 17.1 |
| Absolute minimum temperature (°C) | 13.3 | 14 | 13.7 | 11.8 | 15.8 | 15.2 | 15.6 | 15.1 | 15 | 14.3 | 15.4 | 14.6 |
| Jan | Feb | Mar | Apr | Maggio | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.7 | 11.9 | 12.2 | 12.5 | 12.7 | 12.7 | 12.7 | 12.6 | 12.3 | 12 | 11.8 | 11.6 |
| Daylight mean duration (h) | 11.6 | 11.8 | 12.1 | 12.4 | 12.6 | 12.7 | 12.6 | 12.4 | 12.2 | 11.9 | 11.7 | 11.6 |
| Daylight minimum duration (h) | 11.6 | 11.7 | 11.9 | 12.2 | 12.5 | 12.7 | 12.6 | 12.3 | 12.1 | 11.8 | 11.6 | 11.6 |
| Sunshine mean duration (h) | 10.2 | 10.8 | 9.8 | 10.7 | 9.7 | 8.1 | 8.6 | 8.8 | 9 | 6.7 | 8.4 | 10 |
| Precipitation (mm) | 31 | 3 | 138 | 35 | 239 | 296 | 291 | 478 | 374 | 670 | 326 | 51 |
| Sunny days | 12 | 25 | 9 | 10 | 4 | 2 | 1 | 13 | ||||
| Rainy days | 19 | 3 | 22 | 20 | 27 | 30 | 29 | 30 | 30 | 31 | 30 | 18 |
The largest precipitation sum in San José is at