Brazil · 30-year monthly climate averages
Based on 30 years of climate data, the most comfortable months to visit Rio de Janeiro are June, July and August, when daytime temperatures are agreeable and rainfall is relatively low.
Rio de Janeiro sees its warmest weather in February, when daytime highs average around 31°C, and its coolest in July (around 25°C).
Annual precipitation totals roughly 1309mm — December is typically the wettest month (~192mm) and August the driest (~44mm).
A distinctly wetter period runs from November to March — worth planning around if you prefer dry days.
🟧 avg daytime high · 🟦 dashed: avg nighttime low · bars: monthly rainfall
Daily forecast highs vs the 30-year normal — last 61 days
Each bar is one day: orange above normal, blue below.
| Month | High / Low | Rainfall | Travel rating |
|---|---|---|---|
| January | 30° / 24°C | 192mm | 🤔 Fair |
| February | 31° / 24°C | 129mm | 🤔 Fair |
| March | 29° / 23°C | 157mm | 🤔 Fair |
| April | 28° / 22°C | 109mm | 👍 Good |
| May | 26° / 20°C | 68mm | 🌟 Great |
| June | 25° / 18°C | 55mm | 🌟 Great |
| July | 25° / 17°C | 50mm | 🌟 Great |
| August | 25° / 18°C | 44mm | 🌟 Great |
| September | 26° / 19°C | 79mm | 🌟 Great |
| October | 27° / 20°C | 97mm | 👍 Good |
| November | 28° / 21°C | 139mm | 👍 Good |
| December | 29° / 23°C | 192mm | 🤔 Fair |
January in Rio de Janeiro is warm, with average daytime highs around 30°C (86°F) and nighttime lows near 24°C (74°F). Expect roughly 192mm of precipitation, and heavy rainfall is common — this is peak wet season territory.
🎒 What to pack — light summer clothing · sunscreen and sunglasses · compact umbrella or rain jacket
February in Rio de Janeiro is hot, with average daytime highs around 31°C (87°F) and nighttime lows near 24°C (75°F). Expect roughly 129mm of precipitation, and this is one of the wetter months.
🎒 What to pack — breathable summer clothing · sunscreen, hat and sunglasses · refillable water bottle · compact umbrella or rain jacket
March in Rio de Janeiro is warm, with average daytime highs around 29°C (85°F) and nighttime lows near 23°C (74°F). Expect roughly 157mm of precipitation, and this is one of the wetter months.
🎒 What to pack — light summer clothing · sunscreen and sunglasses · compact umbrella or rain jacket
April in Rio de Janeiro is warm, with average daytime highs around 28°C (82°F) and nighttime lows near 22°C (71°F). Expect roughly 109mm of precipitation, with a moderate amount of rain.
🎒 What to pack — light summer clothing · sunscreen and sunglasses
May in Rio de Janeiro is warm, with average daytime highs around 26°C (78°F) and nighttime lows near 20°C (67°F). Expect roughly 68mm of precipitation, with a moderate amount of rain.
🎒 What to pack — light summer clothing · sunscreen and sunglasses
June in Rio de Janeiro is pleasantly warm, with average daytime highs around 25°C (77°F) and nighttime lows near 18°C (64°F). Expect roughly 55mm of precipitation, with little rainfall.
🎒 What to pack — light layers · comfortable walking shoes
July in Rio de Janeiro is pleasantly warm, with average daytime highs around 25°C (76°F) and nighttime lows near 17°C (63°F). Expect roughly 50mm of precipitation, with little rainfall.
🎒 What to pack — light layers · comfortable walking shoes
August in Rio de Janeiro is warm, with average daytime highs around 25°C (78°F) and nighttime lows near 18°C (64°F). Expect roughly 44mm of precipitation, with little rainfall.
🎒 What to pack — light summer clothing · sunscreen and sunglasses
September in Rio de Janeiro is warm, with average daytime highs around 26°C (78°F) and nighttime lows near 19°C (66°F). Expect roughly 79mm of precipitation, with a moderate amount of rain.
🎒 What to pack — light summer clothing · sunscreen and sunglasses
October in Rio de Janeiro is warm, with average daytime highs around 27°C (80°F) and nighttime lows near 20°C (68°F). Expect roughly 97mm of precipitation, with a moderate amount of rain.
🎒 What to pack — light summer clothing · sunscreen and sunglasses
November in Rio de Janeiro is warm, with average daytime highs around 28°C (82°F) and nighttime lows near 21°C (71°F). Expect roughly 139mm of precipitation, and this is one of the wetter months.
🎒 What to pack — light summer clothing · sunscreen and sunglasses · compact umbrella or rain jacket
December in Rio de Janeiro is warm, with average daytime highs around 29°C (84°F) and nighttime lows near 23°C (73°F). Expect roughly 192mm of precipitation, and heavy rainfall is common — this is peak wet season territory.
🎒 What to pack — light summer clothing · sunscreen and sunglasses · compact umbrella or rain jacket