Average annual temperature is 22.6 °C
Absolute maximum temperature: 38.2 °C
Absolute minimum temperature: 11.9 °C
Number of sunny days: 104 days
Number of rainy days: 261 days
Look at detailed online map of Itanhaém
* Weather data for Itanhaém 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) | 33.1 | 34.9 | 32.4 | 30.3 | 27.5 | 31.0 | 29.5 | 36.1 | 35.4 | 31.9 | 38.2 | 36.8 |
| Average daytime temperature (°C) | 28.3 | 29.5 | 28.6 | 25.9 | 24.1 | 23.9 | 23.0 | 24.3 | 25.8 | 24.6 | 27.8 | 28.9 |
| Average temperature (°C) | 24.9 | 25.8 | 25.2 | 22.6 | 20.6 | 19.7 | 18.9 | 20.1 | 21.9 | 22.0 | 24.1 | 25.3 |
| Average night temperature (°C) | 22.0 | 23.1 | 22.2 | 19.7 | 17.5 | 16.4 | 15.5 | 16.7 | 18.6 | 20.0 | 20.8 | 22.0 |
| Absolute minimum temperature (°C) | 18.8 | 21.0 | 20.0 | 15.3 | 13.7 | 12.3 | 12.0 | 13.3 | 11.9 | 17.8 | 15.7 | 18.1 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 |
| Daylight mean duration (h) | 13.4 | 12.9 | 12.2 | 11.5 | 10.9 | 10.7 | 10.8 | 11.3 | 12.0 | 12.7 | 13.3 | 13.6 |
| Daylight minimum duration (h) | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 | 10.0 | 11.0 | 11.0 | 12.0 | 13.0 | 13.0 |
| Sunshine mean duration (h) | 9.1 | 8.3 | 9.4 | 8.3 | 8.3 | 8.2 | 8.1 | 7.3 | 8.2 | 4.9 | 8.8 | 10.4 |
| Precipitation (mm) | 217 | 221 | 144 | 157 | 82 | 99 | 86 | 110 | 96 | 237 | 132 | 118 |
| Sunny days | 2 | 0 | 6 | 3 | 15 | 18 | 15 | 17 | 13 | 4 | 5 | 6 |
| Rainy days | 29 | 28 | 25 | 27 | 16 | 12 | 16 | 14 | 17 | 27 | 25 | 25 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Itanhaém during the most sunny months:
The largest precipitation sum in Itanhaém is at