Average annual temperature is 25.3 °C
Absolute maximum temperature: 32.4 °C
Absolute minimum temperature: 19.3 °C
Number of sunny days: 22 days
Number of rainy days: 343 days
Look at detailed online map of Barra Matina Sur
* Weather data for Barra Matina 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) | 28.6 | 28.8 | 29.8 | 31.3 | 31.5 | 32.4 | 31.7 | 31.9 | 32.1 | 31.5 | 30.9 | 31.4 |
| Average daytime temperature (°C) | 26.8 | 27.5 | 28.1 | 28.9 | 30.2 | 29.9 | 28.8 | 29.6 | 29.9 | 29.8 | 28.7 | 28.0 |
| Average temperature (°C) | 23.5 | 23.8 | 24.7 | 25.3 | 26.7 | 26.3 | 25.6 | 26.0 | 26.1 | 26.0 | 25.3 | 24.7 |
| Average night temperature (°C) | 20.8 | 20.7 | 21.8 | 21.9 | 23.7 | 23.7 | 23.1 | 23.2 | 23.2 | 23.3 | 22.9 | 22.1 |
| Absolute minimum temperature (°C) | 19.7 | 19.3 | 20.2 | 20.2 | 22.1 | 22.6 | 22.0 | 22.0 | 22.5 | 22.3 | 21.9 | 20.8 |
| 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 | 12.4 | 12.6 | 12.7 | 12.6 | 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) | 9.8 | 10.6 | 10.0 | 10.9 | 10.4 | 9.1 | 7.8 | 8.9 | 9.7 | 7.9 | 8.5 | 8.9 |
| Precipitation (mm) | 193 | 125 | 127 | 75 | 96 | 229 | 395 | 330 | 219 | 380 | 356 | 230 |
| Sunny days | 1 | 0 | 3 | 9 | 5 | 0 | 0 | 1 | 3 | 0 | 0 | 0 |
| Rainy days | 30 | 28 | 28 | 21 | 26 | 30 | 31 | 30 | 27 | 31 | 30 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Barra Matina Sur is at