2026 Climate Averages

Weather in Rio de Janeiro in December

It's a rainy period, but great for indoor activities, museums, and lower prices.

Climate Overview

December is a wet time to visit Rio de Janeiro. Rio de Janeiro has a Warm climate with average yearly highs of 29°C, lows of 23°C, and approximately 17 rainy days per month.

Avg High

29°C

Avg Low

23°C

Rainy days

17days

Daylight

13.5h

Is December a good time to visit Rio de Janeiro?

It's a rainy period, but great for indoor activities, museums, and lower prices.

Daylight

Sunrise

5:02 AM

Sunset

6:34 PM

Weather by Month
Monthly weather data
Month High Low Rainy days Condition
January 31°C 24°C 16 Wet
February 30°C 23°C 21 Wet
March 28°C 22°C 18 Excellent (best)
April 27°C 21°C 12 Excellent (best)
May 26°C 18°C 7 Excellent (best)
June 27°C 19°C 7 Good
July 27°C 18°C 7 Good
August 26°C 17°C 4 Good
September 28°C 20°C 7 Excellent (best)
October 29°C 21°C 16 Excellent (best)
November 27°C 21°C 20 Wet
December 29°C 23°C 17 Wet

Weather data: Open-Meteo Archive (2020-2025) • Open-Meteo.com (CC BY 4.0) • Historical avg. 2020–2025

What to Pack for December

Lightweight clothes, sunglasses, sunscreen, and breathable fabrics.

Climate: Warm
Travel Context Great for outdoor dining and evening strolls.

Planning a trip to Rio de Janeiro?

Common Questions

Is December a good time to visit Rio de Janeiro? +

December is typically Wet for visiting Rio de Janeiro, with average highs of 29°C and around 17 rainy days.

What should I pack for Rio de Janeiro in December? +

With highs of 29°C and lows of 23°C in {month}, we recommend: Lightweight clothes, sunglasses, sunscreen, and breathable fabrics.

Does it rain a lot in Rio de Janeiro in December? +

Rio de Janeiro typically sees around 17 rainy days in December.

How many hours of daylight are there in Rio de Janeiro in December? +

In December, Rio de Janeiro gets approximately 13.5 hours of daylight per day.

Is December peak season in Rio de Janeiro? +

No, December is not peak season in Rio de Janeiro. Expect better value on accommodation and fewer tourists.

What is the best month to visit Rio de Janeiro? +

The best months to visit Rio de Janeiro are March, April, May, September, October, when the weather is optimal for sightseeing.

Weather Data: Based on 2020–2025 historical climate data from Open-Meteo

Solar calculations: SunCalc (timezone: America/Sao_Paulo)

Last Updated: January 2026

More Rio de Janeiro Guides

Best Time to Visit

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Things to Do

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Itineraries

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Overview

Complete travel guide for Rio de Janeiro: top things to do, itineraries, and typical costs.

Read Full Guide

December

29° / 23°
View Full Destination Guide