Niterói Weather in January
What's the weather like in Niterói (Rio de Janeiro) in January 2025?
The climate in Niterói during January can be summarized as hot, humid and wet.
January is in the summer in Niterói and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around a steamy 31°C (87°F), whilst at night 23°C (72°F) is normal.
| Daytime temperature | 30.8°C 87.4°F |
|---|---|
| Nightly temperature | 22.5°C 72.4°F |
| Average temperature | 26.6°C 79.9°F |
| Daily sunshine | 6.9 hrs |
| Avg rainfall | 146 mm 5.7 ins |
| Rainy days | 20 days |
| Sea temperature | 25.7°C 78.2°F |
| Humidity | 77% |
| Windspeed | 9kph 6 mph |
On average January is the wettest month of the year in Niterói with around 146mm 5.7 inches of rain making it a wet time to visit. This rainfall is typically spread over 20 days, although this may vary considerably.
On the flip side this corresponds to an average of 6.9 hours of sunshine per day.
January temperatures in Niterói
January rainfall
January hourly sunshine
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Niterói in January 2025.
Other monthly averages
Best places to visit in January
Niterói weather stats
| Hottest month: | February | 30.8°C 87.4°F |
|---|---|---|
| Driest month: | July | 52mm 2ins |
| Sunniest month: | August | 6.5hrs |
| Coldest month: | July | 25.1°C 77.2°F |
| Wettest month: | January | 146mm 5.7ins |
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