Average annual temperature is 18.1 °C
Absolute maximum temperature: 27.5 °C
Absolute minimum temperature: 11.2 °C
Number of sunny days: 45 days
Number of rainy days: 320 days
Look at detailed online map of San Antonio de Barranca
* Weather data for San Antonio de Barranca 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) | 23.5 | 24.8 | 25.3 | 25.7 | 27.5 | 25.5 | 24.7 | 25.5 | 24.4 | 23.0 | 24.4 | 23.7 |
| Average daytime temperature (°C) | 21.8 | 23.1 | 22.7 | 24.2 | 24.8 | 22.9 | 22.6 | 22.6 | 22.8 | 21.4 | 21.5 | 22.0 |
| Average temperature (°C) | 17.0 | 17.5 | 17.6 | 18.4 | 19.2 | 18.7 | 18.7 | 18.6 | 18.5 | 17.8 | 17.9 | 17.8 |
| Average night temperature (°C) | 13.8 | 14.1 | 13.9 | 14.2 | 15.5 | 15.8 | 16.0 | 15.9 | 15.4 | 15.5 | 15.6 | 15.0 |
| Absolute minimum temperature (°C) | 11.2 | 11.7 | 11.9 | 12.3 | 13.7 | 14.1 | 14.2 | 13.7 | 13.8 | 14.6 | 14.1 | 12.1 |
| 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 | 12.4 | 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) | 10.1 | 10.6 | 9.4 | 10.9 | 9.7 | 7.8 | 8.5 | 8.3 | 8.9 | 6.4 | 7.7 | 9.6 |
| Precipitation (mm) | 35 | 5 | 97 | 32 | 187 | 222 | 171 | 303 | 225 | 627 | 257 | 33 |
| Sunny days | 5 | 14 | 7 | 8 | 3 | 0 | 1 | 2 | 0 | 0 | 1 | 4 |
| Rainy days | 26 | 14 | 24 | 22 | 28 | 30 | 30 | 29 | 30 | 31 | 29 | 27 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Antonio de Barranca is at