2026 Climate Averages

Rio de Janeiro: Weather Guide & Climate

Complete month-by-month weather guide: Rio de Janeiro. Best time to visit: March, April, May, September, October. Plan your trip with detailed climate data.

☀️ Climate Overview

Rio de Janeiro has a Warm climate with average yearly highs of 29°C, lows of 21°C, and approximately 13 rainy days per month.

The best time to visit Rio de Janeiro is during March, April, May, September, October, when temperatures are comfortable and rainfall is moderate

Drier season: Apr–Sep Wetter season: Jan–Dec

Now

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Feels like --
Wind --
Humidity --
UV Index --
Local time —

Air Quality

Best Time

J F M A M J J A S O N D
Conditions Excellent

Hottest

32°C January
Avg Low 24°C
Rain 20 days

Coldest

17°C July
Avg High 26°C
Rain 6 days

Driest Month

6 rainy days July
Avg High 26°C
Avg Low 17°C

Windiest Month

13 km/h

September (gusts 32)

Sea Temp Range

22° – 28°C

Warmest water: February (28°C)

Best for swimming: Jan, Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec (22°–28°C)

Forecast for your trip dates

Up to 14 days ahead

Weather by Season

Spring

Sep–Nov

High 29°C
Low 21°C
Rain 14 days
Crowds
Busy
Travel Costs Shoulder Rates

Summer

Dec–Feb

High 32°C
Low 24°C
Rain 20 days
Crowds
Very Quiet
Travel Costs Peak Rates

Autumn

Mar–May

High 30°C
Low 21°C
Rain 12 days
Crowds
Very Busy
Travel Costs Shoulder Rates

Winter

Jun–Aug

High 27°C
Low 17°C
Rain 7 days
Crowds
Moderate
Travel Costs Value Rates

Month-by-Month Weather Table

January

Wet
32° / 24°
20d (260mm)
9.4h
79% Muggy
UV 8.2 Very High

February

Wet
32° / 24°
19d (235mm)
9.8h
79% Muggy
UV 8.2 Very High

March

Best
Excellent
32° / 23°
16d (141mm)
9.9h
79% Muggy
UV 7.8 Very High

April

Best
Excellent
29° / 21°
12d (113mm)
9.1h
82% Very Muggy
UV 6.2 High

May

Best
Excellent
28° / 19°
8d (51mm)
9h
81% Very Humid
UV 5.6 High

June

Good
27° / 18°
7d (32mm)
8.7h
80% Very Humid
UV 5 Moderate

July

Good
26° / 17°
6d (32mm)
8.7h
79% Humid
UV 5.2 High

August

Good
27° / 17°
8d (58mm)
8.6h
77% Humid
UV 6 High

September

Best
Excellent
29° / 20°
8d (62mm)
9.3h
75% Muggy
UV 7.2 Very High

October

Best
Excellent
29° / 21°
18d (155mm)
8h
79% Muggy
UV 6.8 High

November

Wet
29° / 21°
17d (164mm)
9.4h
79% Muggy
UV 8 Very High

December

Wet
31° / 23°
22d (234mm)
9.5h
79% Muggy
UV 8 Very High

⚖️Find Your Ideal Month

Adjust the sliders to weight what matters most to you.

5
3
3
Your Best MonthJanScore: 8.5
1.Jan
8.52.Dec
8.53.Jul
8.44.Feb
85.Nov
86.Jun
7.47.Aug
7.48.May
5.69.Sep
5.610.Apr
5.211.Mar
4.712.Oct
4.7

Where to Stay

See hotels, apartments & rentals around Rio de Janeiro – live prices from Booking.com, Expedia, Vrbo and more

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Rio de Janeiro

Christ the Redeemer and Sugarloaf cable car, Copacabana Beach, samba rhythms, and dramatic mountain landscapes.

View Full Destination Guide

Ready to Plan Your Rio de Janeiro Trip?

Get strategic travel tips, seasonal insights, and expert recommendations.

Frequently Asked Questions

What type of climate does Rio de Janeiro have?
Rio de Janeiro has a warm climate with average yearly temperatures of 29°C and 21°C.
When is the best time to visit Rio de Janeiro?
The best time to visit Rio de Janeiro is during March, April, May, September, October, when temperatures average around 32°C and conditions are ideal for sightseeing.
What are the hottest and coldest months in Rio de Janeiro?
The hottest month in Rio de Janeiro is January with average highs of 32°C, while the coldest is July with average lows of 17°C.
When is the rainy season in Rio de Janeiro?
Rio de Janeiro sees the most rain in December (22 rainy days), while July is the driest month (6 rainy days).
Does it get cold at night in Rio de Janeiro?
Night temperatures vary throughout the year. The coldest nights are in July (17°C), while January has the warmest evenings (24°C). Pack layers for cooler months.
Can you swim year-round in Rio de Janeiro?
Sea temperatures in Rio de Janeiro range from 22°C to 28°C throughout the year. The warmest water is in February. Swimming is comfortable year-round.

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

Last Updated: February 2026

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