Average annual temperature is 24.4 °C
Absolute maximum temperature: 42.7 °C
Absolute minimum temperature: 12.9 °C
Number of sunny days: 144 days
Number of rainy days: 221 days
Look at detailed online map of Niterói
* Weather data for Niterói 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) | 33.6 | 36.4 | 36.2 | 31.6 | 29.7 | 29.9 | 34.7 | 35.7 | 37.7 | 37.4 | 42.7 | 38.7 |
| Average daytime temperature (°C) | 29.8 | 31.9 | 31.8 | 27.9 | 25.8 | 25.9 | 25.9 | 27.0 | 30.4 | 29.3 | 31.7 | 31.6 |
| Average temperature (°C) | 25.9 | 27.2 | 27.2 | 24.1 | 22.0 | 20.9 | 20.8 | 21.9 | 24.4 | 24.6 | 26.6 | 26.8 |
| Average night temperature (°C) | 22.8 | 23.9 | 23.5 | 20.7 | 18.7 | 17.2 | 16.7 | 18.3 | 19.6 | 21.4 | 22.4 | 22.7 |
| Absolute minimum temperature (°C) | 20.5 | 22.2 | 20.9 | 17.5 | 14.9 | 14.3 | 12.9 | 14.8 | 15.3 | 17.5 | 17.2 | 19.2 |
| 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 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 |
| Daylight mean duration (h) | 13.4 | 12.9 | 12.2 | 11.6 | 11.0 | 10.8 | 10.9 | 11.3 | 12.0 | 12.6 | 13.2 | 13.5 |
| Daylight minimum duration (h) | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 | 10.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 |
| Sunshine mean duration (h) | 9.4 | 10.3 | 10.5 | 8.9 | 9.0 | 9.3 | 8.6 | 8.1 | 9.7 | 8.3 | 10.1 | 10.8 |
| Precipitation (mm) | 219 | 127 | 64 | 97 | 58 | 32 | 45 | 108 | 28 | 69 | 59 | 104 |
| Sunny days | 5 | 7 | 10 | 7 | 16 | 17 | 19 | 16 | 19 | 7 | 12 | 9 |
| Rainy days | 26 | 21 | 21 | 23 | 15 | 13 | 12 | 15 | 11 | 24 | 18 | 22 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Niterói is at