Experience tropical comfort in Rio de Janeiro, where temperatures average 25°C (77°F) year-round. The best time to visit is from December to March, with temperatures ranging between 26°C and 30°C (79°F - 86°F). Did you know it rains most in January, yet even downpours rarely last long? After exploring the city's iconic sights, unwind on Ipanema Beach at sunset – a perfect blend of Rio's vibrant energy and inviting weather.
Today's Forecast
5-Day Forecast
Rio De Janeiro Climate & Weather Averages
Rio De Janeiro records its highest temperatures in January — typically 30°C by day — and its lowest in July, around 25°C. Most rain falls in January; July stays driest. These averages are computed from ten years of daily records (2015–2024).
Seasons in Rio De Janeiro are defined by rainfall rather than temperature. Thermometers sit close to 30°C all year round, and rain arrives in fairly even doses, heaviest in January. Humidity, not heat, is what most visitors notice first.
| Month | Avg High | Avg Low | Rainfall | Sunshine (h/day) | Wind (km/h) |
|---|---|---|---|---|---|
| Jan | 30° | 24° | 161 mm | 10.5 | 15 |
| Feb | 30° | 24° | 149 mm | 10.1 | 15 |
| Mar | 29° | 23° | 152 mm | 10.4 | 15 |
| Apr | 27° | 22° | 81 mm | 10.1 | 15 |
| May | 26° | 20° | 64 mm | 9.2 | 14 |
| Jun | 25° | 19° | 42 mm | 9 | 14 |
| Jul | 25° | 18° | 40 mm | 9 | 15 |
| Aug | 25° | 18° | 63 mm | 9 | 17 |
| Sep | 27° | 20° | 71 mm | 9.6 | 17 |
| Oct | 27° | 21° | 88 mm | 9.1 | 18 |
| Nov | 27° | 21° | 146 mm | 9.6 | 17 |
| Dec | 29° | 23° | 137 mm | 10.4 | 16 |
Expect around 10.5 hours of sun a day at the January peak, against about 9 hours in June. Wind stays moderate most of the year, strongest in October with daily peaks near 18 km/h.
Best time to visit: Aim for June–August if you can: highs hover near 25°C and rain is lighter than the January peak. Light, breathable clothing works year-round; add a compact umbrella for sudden downpours.
Rio De Janeiro weather — frequently asked questions
Is Rio De Janeiro warm all year round?
Yes. Even in the coolest month (July) daytime highs in Rio De Janeiro still average 25°C, with nights around 18°C — the difference between seasons is mostly about rain, not temperature.
How hot does Rio De Janeiro get in summer?
January is the hottest month, with daytime highs averaging 30°C — individual days run hotter still. Nights in January typically stay around 24°C.
What is the sunniest month in Rio De Janeiro?
January, with roughly 10.5 hours of sunshine a day on average over 2015–2024. The dimmest month is June, at about 9 hours.
When is the best time to visit Rio De Janeiro?
Weather-wise, June–August is the sweet spot in Rio De Janeiro: average daytime highs around 25°C with less rain than the January peak. Data from 2015–2024.
What is the rainiest month in Rio De Janeiro?
January is on average the wettest month in Rio De Janeiro, with about 161 mm of rainfall. The driest month is typically July, at around 40 mm.
Source: Open-Meteo ERA5 archive. Averages computed from daily records.