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Rio de Janeiro, Brazil

The climate in Rio de Janeiro is tropical, with annual average temperatures spanning 25°C / 77°F during July up to 31°C / 88°F in February.

Rainfall averages about 127 mm / 5 inches per month, with the wettest conditions in January (240 mm / 9.4 inches) and the driest in June (46 mm / 1.8 inches).

UV peaks in December (index 10) and drops to its lowest in June (index 5); strong sun protection is essential during summer months.

The longest days occur in December with around 13.5 hours of daylight, while June has the shortest days at about 10.7 hours.

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Trip planning

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Climate overview

Climate at a glance

The big-picture stats that matter for planning your visit to Rio De Janeiro.

Temperature range

Typical highs and lows

High30.9°C
Low17.4°C

The broad yearly range between warm daytime highs and the coolest overnight lows.

Rain pattern

Wettest point of the year

240 mm

January carries the highest typical rainfall load.

Sun exposure

Typical peak UV band

Very High (8.0)

A fast read on how strong midday sun typically gets across the year.

Daylight window

Seasonal daylight range

11 hrsto14 hrs

Useful for gauging how much sightseeing time you get in shorter versus longer seasons.

Wind profile

Typical breeze strength

7 km/h

September is typically the breeziest month.

Humidity

Typical moisture range

77 %to81 %

A quick signal for how dry, comfortable, or heavy the air tends to feel.

When should I go?

Our top-rated months for visiting Rio de Janeiro, based on long-term weather comfort and conditions

Next steps

Dive deeper into rankings, month details, or packing guidance.

How Rio de Janeiro compares

See how it ranks against the rest of Brazil for key metrics.

HOTTEST (AVG)
in Brazil
#1 / 2
COOLEST (AVG)
in Brazil
#2 / 2
WETTEST (TOTAL)
in Brazil
#1 / 2
WINDIEST (AVG)
in Brazil
#2 / 2
HIGHEST UV
in Brazil
#2 / 2
MOST HUMID
in Brazil
#2 / 2

Short term outlook

Visiting soon? Here's the next 7 days of weather for Rio De Janeiro, or see an hourly breakdown for the next 14 days.

Travel planning FAQ

Frequently asked questions

Quick answers to the weather questions you ask the most.

How does the weather in Rio de Janeiro feel over the year?

Across the year, daytime highs average about 28°C (82°F), with nights near 21°C (70°F). Overall it feels hot by day and mild after dark. You may notice some humidity at times. Daylight is fairly typical, with enough time for sightseeing. Expect a mix of sun and cloud across the year.

When is the best time to visit Rio de Janeiro for dry weather?

The driest month is usually June, with around 46 mm (1.8 in) of rain. In contrast, January is the wettest month, so that’s when you’re most likely to need a raincoat or umbrella.

When is sun exposure strongest in Rio de Janeiro?

UV tends to peak in December, when UV levels frequently reach very high levels (around 10), so strong sun protection is essential, especially around midday.

Is Rio de Janeiro humid?

It can feel humid, especially in the warmer months, when humidity can climb to around 81%. Light, breathable fabrics help a lot on muggy days.

Is Rio de Janeiro a windy place?

Across the year, average winds sit around 7 km/h (4 mph), with gusts on windier days up to about 49 km/h (30 mph). Overall it is it often feels breezy, especially in more exposed spots or along the coast.

How much daylight does Rio de Janeiro get?

On average, days offer about 12 hours of daylight. Daylight is fairly typical, with enough time for sightseeing.

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