Average annual temperature is 26.9 °C
Absolute maximum temperature: 36.3 °C
Absolute minimum temperature: 20.0 °C
Number of sunny days: 43 days
Number of rainy days: 322 days
Look at detailed online map of Ilha Grande
* Weather data for Ilha Grande Brazil is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 32.4 | 32.2 | 33.4 | 32.4 | 31.9 | 31.6 | 31.1 | 34.6 | 35.5 | 36.3 | 35.5 | 34.9 |
| Average daytime temperature (°C) | 29.5 | 29.4 | 30.7 | 30.1 | 29.8 | 29.0 | 29.7 | 31.7 | 33.3 | 34.3 | 32.9 | 31.6 |
| Average temperature (°C) | 25.7 | 25.8 | 26.7 | 26.3 | 26.3 | 25.7 | 26.1 | 27.4 | 28.5 | 29.1 | 28.4 | 27.3 |
| Average night temperature (°C) | 23.0 | 23.2 | 23.7 | 23.5 | 23.7 | 23.1 | 23.6 | 24.2 | 24.9 | 25.0 | 25.0 | 24.7 |
| Absolute minimum temperature (°C) | 21.4 | 22.3 | 22.3 | 22.6 | 22.6 | 20.0 | 22.3 | 22.4 | 23.4 | 24.2 | 23.2 | 23.4 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Daylight mean duration (h) | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 |
| Daylight minimum duration (h) | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Sunshine mean duration (h) | 8.9 | 9.1 | 9.5 | 8.6 | 8.5 | 9.1 | 9.7 | 10.7 | 11.0 | 10.9 | 10.5 | 9.4 |
| Precipitation (mm) | 328 | 403 | 248 | 203 | 256 | 252 | 197 | 109 | 65 | 16 | 100 | 222 |
| Sunny days | 1 | 0 | 2 | 3 | 0 | 2 | 0 | 4 | 8 | 17 | 5 | 1 |
| Rainy days | 30 | 28 | 29 | 27 | 31 | 28 | 31 | 27 | 22 | 14 | 25 | 30 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Ilha Grande is at