Climate guide for Rio de Janeiro, Brazil

Rio de Janeiro in March

Weather, crowds & best time to visit

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March · Brazil

Best time to visit Rio de Janeiro in March Weather, crowds & prices

Weather in Rio de Janeiro in March

Average temperature 26°C, 99 mm of rain, about 29 days with 6+ hours of sunshine and 81% humidity — based on the five most recent complete years of ERA5 data (2021–2025).

March score

8.4/10

Ranked #5 of 12 months

Full year for Rio de Janeiro
Avg temp
26°C
Rainfall
99 mm
Humidity
81%
Days with 6h+ sun
29
Crowd Density
Moderate Crowds
Average Expenses
$$ · Moderate Cost ($$)

March in Rio de Janeiro scores 8.4/10 for beach and coastal travel - an above-average month (#5 of 12). Expect around 26°C, 99 mm of rain, and roughly 29 days with 6+ hours of sunshine this month.

Golden shores, verdant peaks, and carnival spirit shine from late summer through Rio's gentle May–September days.

March in Rio de Janeiro: strong conditions, 5th of 12

Days in March average 26°C (79°F) and humidity near 81% — front-load outdoor plans before the heat builds and treat the middle of the day as indoor time.

Budget for roughly 99 mm of rain this month — a flexible day or two helps — with about 29 days with 6+ hours of sunshine and 12.2 hours of daylight to work around it.

That is 8.4/10 on the same scale — 5th of 12 months, versus 9.2/10 for the best month here.

Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a packable rain layer.

Expect mid-season pricing, and crowds are moderate.

View all 12 months

Ranked by pure climate comfort

Score scale: 0.0 → 10.0Quiet / UncrowdedModerate CrowdsPeak Tourist Rush

Frequently asked

What is the weather like in Rio de Janeiro in March?
In March, Rio de Janeiro averages 26°C, 99 mm of rain, and about 29 days with 6+ hours of sunshine. Its climate-comfort score is 8.4/10.
Is March a good time to visit Rio de Janeiro?
March earns a 8.4/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
How much does it rain in Rio de Janeiro in March?
Expect about 99 mm of rain in March. Average humidity is 81% and there are about 29 days with 6+ hours of sunshine.

Curated in Rio de Janeiro

Tickets & experiences

Things to do in Rio de Janeiro

Rio de Janeiro, Brazil. Live activities and tours from GetYourGuide, matched to this destination.