São João de Meriti Weather in January

January in São João de Meriti brings very high temperatures, with highs of 32°C (90°F) and nights dropping to 23°C (73°F). It's the rainiest month of the year, so come prepared with waterproof gear.

Rainfall in São João de Meriti in January

As part of the rainy season, São João de Meriti sees around 20 days of rain in January, with an average of 238 mm (9.4 in). With rain on many days and solid totals, showers are frequent and often moderately heavy. Waterproof gear is a sensible idea.

Temperature in São João de Meriti in January

Daytime temperatures in São João de Meriti reach 32°C (90°F) in January, dropping to 23°C (73°F) at night. For most visitors, the main thing to prepare for is the heat during the day. Nights are warm at 23°C (73°F). It's worth making sure your accommodation has decent ventilation or air conditioning.

Sunshine in São João de Meriti 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 São João de Meriti in January

January has wind speeds averaging 3 m/s (6 knots). You can expect comfortable light winds that steadily move flags and feel mild throughout the day. Since this is an average, daily conditions vary from gentle winds to more active breezes.

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.

January in São João de Meriti can still be great, but if you prefer pleasant temperatures along with dry and sunny conditions, our weather planner can help you explore other options in the world.

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Check the conditions for any month of the year.

• January
• February
• March
• April

• May
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• August

• September
• October
• November
• December

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

São João de Meriti Temperature in January

Min Temperature 23°C (73°F)  

Max Temperature 32°C (90°F)  

Water Temperature 25°C (77°F) *  

Chance of Rain 67%  

Precipitation 238 mm (9.4 in)  

Rainy days 20 days  

Humidity 79% *  

Windspeed 3 m/s (6 knots) *  

Sunshine 212 hours *  

Percentage Sunshine *  

* Data from: Rio de Janeiro, Brazil (24 KM, 15 Miles).

What to Wear in São João de Meriti 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. The water temperature sits at about 25°C (77°F), making it perfect for swimming and water activities. Don't forget to pack your favorite swimwear and perhaps some snorkel gear. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in São João de Meriti 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 São João de Meriti's climate page.

More climate data for São João de Meriti

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

See the full São João de Meriti climate overview or explore weather in Brazil.