Niterói Weather in January

January in Niterói averages 32°C (90°F) during the day and 24°C (75°F) at night. It is the wettest month of the year, with 205 mm (8.1 in) of rainfall on average, so waterproof gear is a must.

Rainfall in Niterói in January

Niterói is in the rainy season in January, with rain on around 20 days and an average of 205 mm (8.1 in). Rainy season showers tend to be fairly substantial. A good rain jacket or umbrella is worth having with you most days.

Temperature in Niterói in January

January in Niterói sees highs of 32°C (90°F) and lows of 24°C (75°F) overnight. Mornings and evenings are often more comfortable than the peak afternoon hours. With lows around 24°C (75°F), the nights are warm enough that a sheet is usually all you need for bedding.

Sunshine in Niterói in January

Expect sunny days throughout the month, with an estimated 212 hours of sunshine. Despite being the rainy season, it could still be a nice time to visit. Rain often arrives later in the day, keeping most of the days sunny.

Wind Speed in Niterói in January

Wind speeds average 3 m/s (6 knots) during January. At this speed, light breezes keep leaves and small twigs in gentle motion while the wind also provides natural cooling. Since this is an average, some days are more tranquil while others have more persistent light winds that are more noticeable.

Average water temperature in January

At 25°C (77°F), the water is warm and comfortable for swimming. Most people find this temperature ideal for spending longer periods in the water.

If you prefer dry days with pleasant temperatures, January may not be the ideal month to visit Niterói. Our weather planner can help you explore destinations with more pleasant weather conditions.

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Check the conditions for any month of the year.

• January
• February
• March
• April

• May
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• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Brazil, check out our Niterói's climate page.

Niterói Temperature in January

Min Temperature 24°C (75°F)  

Max Temperature 32°C (90°F)  

Water Temperature 25°C (77°F) *  

Chance of Rain 66%  

Precipitation 205 mm (8.1 in)  

Rainy days 20 days  

Humidity 79% *  

Windspeed 3 m/s (6 knots) *  

Sunshine 212 hours *  

Percentage Sunshine *  

* Data from: Rio de Janeiro, Brazil (8 KM, 5 Miles).

What to Wear in Niterói in January

Warm weather calls for comfortable, breathable clothing in January. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Also bring a poncho, it will rain a lot! Waterproof everything you can. With water temperatures around 25°C (77°F), swimming conditions are excellent. Pack your swimsuit, goggles, and maybe some water shoes. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in Niterói in January

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

8/10

Cycling

7/10

Walking

7/10

Camping

6/10

Outdoor sports

7/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Brazil, check out our Niterói's climate page.

More climate data for Niterói

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

See the full Niterói climate overview or explore weather in Brazil.