Rio de Janeiro Weather in March
Rio de Janeiro in March sees very high temperatures, with highs around 31°C (88°F) and overnight lows of 23°C (73°F). Rainfall is fairly high at around 170 mm (6.7 in) on average, so pack waterproofs just in case.
Rainfall in Rio de Janeiro in March
Historically, the month has about 15 days of rain, averaging 170 mm (6.7 in) in total. Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.
Temperature in Rio de Janeiro in March
In March, Rio de Janeiro gets very high temperatures, with highs of 31°C (88°F). Nights cool to around 23°C (73°F). Indoor breaks or shaded spots can make the warmer part of the day much more comfortable. Nights are warm at 23°C (73°F). It's worth making sure your accommodation has decent ventilation or air conditioning.
Sunshine in Rio de Janeiro in March
There are approximately 208 hours of sunshine this month, resulting in mostly clear days.
Wind Speed in Rio de Janeiro in March
March 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 March
At 26°C (79°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, May, June, July, August and September typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Brazil, check out our Rio de Janeiro's climate page.
Rio de Janeiro Temperature in March
Min Temperature
23°C (73°F)
Max Temperature
31°C (88°F)
Water Temperature
26°C (79°F)
Chance of Rain
50%
Precipitation
170 mm (6.7 in)
Rainy days
15 days
Humidity
80%
Windspeed
3 m/s (6 knots)
Sunshine
208 hours
Percentage Sunshine
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Rio de Janeiro typically stay consistent throughout March, with daily highs averaging around 31°C (88°F). Nights are warm, with lows around 24°C (75°F).
Average temperatures in March
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in March
Historical weather for Rio de Janeiro in March
Browse day-by-day weather records for Rio de Janeiro spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Rio de Janeiro historical weather extremes in March
Based on weather observations in Rio de Janeiro between 1993 and 2026, these are the recorded extremes during March.
- The hottest March day on record in Rio de Janeiro reached 39°C (102°F) (March 1, 2017).
- The coldest March day was on March 15, 2008, with a maximum of 22°C (72°F).
- Rio de Janeiro registered its coldest March night on March 15, 2008, with temperatures dropping to 19°C (66°F).
- The heaviest March precipitation occurred on March 3, 2019, when 61 mm (2.4 in) of precipitation fell.
Best Places in Brazil in March
Find out more about the weather in Brazil and which places have the best travel conditions in this month. See all of Brazil in March →
perfect weather
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tolerable
unpleasant
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What to Wear in Rio de Janeiro in March
Warm weather calls for comfortable, breathable clothing in March. 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 26°C (79°F), making it perfect for swimming and water activities. Don't forget to pack your favorite swimwear and perhaps some snorkel gear. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in Rio de Janeiro in March
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Brazil, check out our Rio de Janeiro's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Rio de Janeiro climate overview or explore weather in Brazil.
