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.
Whether you prefer warm summers or milder winters, Rio de Janeiro provides varied conditions throughout the year.
Today's forecast
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Climate at a glance
The big-picture stats that matter for planning your visit to Rio De Janeiro.
High / low
Average highs up to 30.9°C and lows down to 17.4°C.
Wettest month
January averages 240 mm.
Typical peak band
Typical peak UV is Very High.
Seasonal range
Roughly 11 hrs to 14 hrs.
Typical strength
Average around 7 km/h, peaking in September.
Typical range
Generally 77 % to 81 %.
When should I go?
Our top-rated months for visiting Rio de Janeiro, based on long-term weather comfort and conditions
Typical weather by month
Compare all monthsTip: click on a card to see detailed daily weather averages for that month.
How Rio de Janeiro compares
See how it ranks against the rest of Brazil for key metrics.
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.
Frequently asked questions
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?
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.