Average annual temperature is 25.2 °C
Absolute maximum temperature: 32.3 °C
Absolute minimum temperature: 19.7 °C
Number of sunny days: 20 days
Number of rainy days: 345 days
Look at detailed online map of Isla Nueva
* Weather data for Isla Nueva 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) | 27.9 | 27.9 | 29.2 | 31.3 | 31.1 | 32.1 | 32.1 | 31.7 | 32.3 | 32.0 | 31.0 | 30.7 |
| Average daytime temperature (°C) | 26.7 | 27.1 | 27.7 | 28.6 | 30.0 | 29.8 | 29.0 | 29.8 | 30.1 | 29.7 | 28.7 | 28.2 |
| Average temperature (°C) | 23.4 | 23.7 | 24.5 | 25.1 | 26.6 | 26.2 | 25.4 | 25.9 | 26.1 | 25.7 | 25.1 | 24.6 |
| Average night temperature (°C) | 20.8 | 20.8 | 21.5 | 21.6 | 23.5 | 23.4 | 23.0 | 23.1 | 23.0 | 23.1 | 22.7 | 22.0 |
| Absolute minimum temperature (°C) | 19.8 | 19.7 | 19.8 | 20.6 | 22.2 | 21.9 | 22.0 | 21.8 | 22.3 | 22.3 | 21.7 | 20.5 |
| 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) | 9.5 | 10.5 | 9.9 | 10.8 | 10.3 | 9.1 | 7.4 | 9.2 | 9.7 | 7.8 | 8.0 | 8.5 |
| Precipitation (mm) | 230 | 139 | 105 | 79 | 120 | 217 | 463 | 386 | 231 | 360 | 445 | 330 |
| Sunny days | 1 | 0 | 1 | 10 | 4 | 0 | 0 | 0 | 3 | 1 | 0 | 0 |
| Rainy days | 30 | 28 | 30 | 20 | 27 | 30 | 31 | 31 | 27 | 30 | 30 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Isla Nueva is at