Average annual temperature is 24.0 °C
Absolute maximum temperature: 38.3 °C
Absolute minimum temperature: 5.4 °C
Number of sunny days: 151 days
Number of rainy days: 214 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) | 33.2 | 31.9 | 33.4 | 32.5 | 31.0 | 30.6 | 32.0 | 34.7 | 37.5 | 38.3 | 37.9 | 37.6 |
| Average daytime temperature (°C) | 29.7 | 29.3 | 30.3 | 28.5 | 27.3 | 24.9 | 27.5 | 29.7 | 31.8 | 32.8 | 33.4 | 33.4 |
| Average temperature (°C) | 24.9 | 24.3 | 24.9 | 22.9 | 21.4 | 18.4 | 20.9 | 23.1 | 25.4 | 26.9 | 27.0 | 27.5 |
| Average night temperature (°C) | 21.1 | 20.9 | 21.0 | 18.7 | 16.6 | 13.2 | 15.8 | 18.2 | 20.5 | 22.6 | 22.5 | 23.0 |
| Absolute minimum temperature (°C) | 17.7 | 17.9 | 19.7 | 13.1 | 11.2 | 5.4 | 8.4 | 14.9 | 11.1 | 15.9 | 13.5 | 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) | 13.3 | 12.8 | 12.2 | 11.6 | 11.1 | 10.8 | 11.0 | 11.4 | 12.0 | 12.6 | 13.1 | 13.4 |
| 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) | 9.7 | 8.7 | 10.0 | 9.6 | 8.6 | 9.0 | 9.5 | 9.3 | 9.9 | 9.9 | 10.3 | 10.8 |
| Precipitation (mm) | 195 | 205 | 172 | 127 | 62 | 97 | 3 | 61 | 40 | 98 | 162 | 110 |
| Sunny days | 2 | 1 | 2 | 11 | 19 | 26 | 26 | 21 | 18 | 9 | 11 | 5 |
| Rainy days | 29 | 27 | 29 | 19 | 12 | 4 | 5 | 10 | 12 | 22 | 19 | 26 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Niterói is at