Rio de Janeiro Weather
A month-by-month look at temperature, rainfall and what to pack in Rio de Janeiro. The annual average is 28°C high / 21°C low — hottest in January (Peak Summer) (32°C) and coldest in July (School Holidays) (18°C).
Rio de Janeiro Weather at a Glance
As of 2026A quick summary of Rio de Janeiro's year-round climate and the best time to visit.
- Annual average
- 28° / 21°
- Best time to visit
- May (The Pick), June (Winter Begins — A Top Month), September (A Top Month)
- Hottest month
- January (Peak Summer) (32°C)
- Coldest month
- July (School Holidays) (18°C)
- Wettest month
- December (Summer — Year-End) (130mm)
- Driest month
- June (Winter Begins — A Top Month) (50mm)
As of 2026, Rio de Janeiro's weather averages 28°C high / 21°C low across the year, and the best time to visit for stable temperatures, rainfall and crowds is May (The Pick), June (Winter Begins — A Top Month), September (A Top Month). The hottest month is January (Peak Summer) (32°C), the coldest is July (School Holidays) (18°C), and the wettest is December (Summer — Year-End) (130mm).
Best Time to Visit Rio de Janeiro
May is the top pick, as the dry season opens.
A top month — the dry season and the best value.
September is a top month, the tail of the value season.
Rio de Janeiro Weather Month by Month
Tap any month for a detailed guide with what to wear, sunrise/sunset and air quality.
| Month | High/Low | Rain | Rainy days | Crowds | |
|---|---|---|---|---|---|
| January (Peak Summer) | 32° / 24° | 110mm | 13 | Very busy | Details → |
| February (Carnival — the highlight) | 32° / 24° | 110mm | 12 | Very busy | Details → |
| March (Late Summer) | 31° / 24° | 90mm | 12 | Busy | Details → |
| April (Early Autumn — Value) | 28° / 22° | 100mm | 12 | Moderate | Details → |
| May (The Pick) | 26° / 20° | 75mm | 9 | Moderate | Details → |
| June (Winter Begins — A Top Month) | 25° / 19° | 50mm | 7 | Moderate | Details → |
| July (School Holidays) | 25° / 18° | 50mm | 7 | Busy | Details → |
| August | 26° / 19° | 50mm | 7 | Moderate | Details → |
| September (A Top Month) | 26° / 19° | 80mm | 9 | Moderate | Details → |
| October (Spring) | 27° / 21° | 100mm | 11 | Moderate | Details → |
| November (Late Spring) | 28° / 22° | 110mm | 11 | Moderate | Details → |
| December (Summer — Year-End) | 30° / 23° | 130mm | 13 | Very busy | Details → |
What to Wear in Rio de Janeiro by Season
Early autumn.
Southern Hemisphere winter. Long sleeves and a cardigan.
Spring.
High summer.
Rio de Janeiro Weather FAQ
What is the best time to visit Rio de Janeiro? +
For weather, May (The Pick), June (Winter Begins — A Top Month), September (A Top Month) are the most comfortable months. Highs sit around 26°C with relatively stable rainfall and crowds.
What are the hottest and coldest months in Rio de Janeiro? +
The hottest month is January (Peak Summer) with an average high of 32°C, and the coldest is July (School Holidays) with an average low of 18°C. The annual average is 28°C high / 21°C low.
When does it rain most in Rio de Janeiro? +
The wettest month is December (Summer — Year-End) (130mm over about 13 rainy days) and the driest is June (Winter Begins — A Top Month) (50mm). Total annual rainfall is roughly 1055mm.
What should I pack for Rio de Janeiro? +
Spring (Mar–May) averages 28/22°C — Early autumn. Summer (Jun–Aug) averages 25/19°C — Southern Hemisphere winter. Long sleeves and a cardigan. Autumn (Sep–Nov) averages 27/21°C — Spring. Winter (Dec–Feb) averages 31/24°C — High summer.
What is the weather in Rio de Janeiro this month (June (Winter Begins — A Top Month))? +
June (Winter Begins — A Top Month) averages 25°C high / 19°C low with 50mm rainfall over about 7 rainy days. Crowds are moderate and prices are moderate.
Keep Planning Your Rio de Janeiro Trip
Why you can trust weather guide
Based in Chiang Mai for 8+ years, with 30+ countries visited across Southeast Asia, Japan, and Europe. Every detail in this guide is primary-source verified as of April 2026, with prices auto-refreshed via live exchange rate APIs. This isn't AI-generated boilerplate — it's written from the perspective of someone who has actually been there.