Best Time to Visit
🇧🇷 Rio de Janeiro, Brazil · South America
Based on 30-year climate data (1991-2020) from Open-Meteo
Jan
31°
24°
Good
Feb
31°
24°
Good
Mar
30°
23°
Good
Apr
28°
22°
Good
May
26°
19°
Great
Jun
25°
18°
Great
Jul
25°
17°
Great
Aug
26°
18°
Great
Sep
27°
19°
Great
Oct
28°
20°
Good
Nov
28°
21°
Good
Dec
30°
23°
Good
| Month | High | Low | Rain Days | Sunshine | Humidity | UV | Rating | Details |
|---|---|---|---|---|---|---|---|---|
| January | 31°C | 24°C | 20 | 10h | 78% | 9 | Good | View |
| February | 31°C | 24°C | 17 | 10h | 78% | 9 | Good | View |
| March | 30°C | 23°C | 21 | 10h | 78% | 6 | Good | View |
| April | 28°C | 22°C | 14 | 10h | 78% | 6 | Good | View |
| MayRecommended | 26°C | 19°C | 11 | 9h | 78% | 2 | Great | View |
| JuneRecommended | 25°C | 18°C | 7 | 9h | 78% | 2 | Great | View |
| JulyRecommended | 25°C | 17°C | 7 | 8h | 78% | 2 | Great | View |
| AugustRecommended | 26°C | 18°C | 8 | 9h | 78% | 2 | Great | View |
| SeptemberRecommended | 27°C | 19°C | 11 | 9h | 78% | 6 | Great | View |
| October | 28°C | 20°C | 14 | 9h | 78% | 6 | Good | View |
| November | 28°C | 21°C | 19 | 9h | 78% | 9 | Good | View |
| December | 30°C | 23°C | 20 | 10h | 78% | 9 | Good | View |
Data source: Open-Meteo ERA5 reanalysis archive, 30-year historical normals (1991-2020). Temperatures in Celsius. Sunshine hours are daily averages.
Avg: 28°C high, 20°C low
Comfortable warmth at 28°C (82°F), ideal for outdoor activities. Rain is frequent, waterproof gear recommended. Nights cool to 20°C (68°F).
Avg: 31°C high, 24°C low
Temperatures peak at 31°C (88°F), making midday heat intense. Rain is frequent, waterproof gear recommended. Nights cool to 24°C (75°F).
Avg: 28°C high, 21°C low
Comfortable warmth at 28°C (82°F), ideal for outdoor activities. Rain is frequent, waterproof gear recommended. Nights cool to 21°C (70°F).
Avg: 25°C high, 18°C low
Comfortable warmth at 25°C (77°F), ideal for outdoor activities. Occasional showers possible. Nights cool to 18°C (64°F).
The least favorable time to visit Rio de Janeiro is January and February. During this period, you can expect heavy rainfall.
January
Challenges: heavy rainfall
February
Challenges: heavy rainfall
March
Challenges: heavy rainfall
Note: visiting during off-peak months often means lower prices, fewer crowds, and a more authentic experience.
Packing recommendations for visiting Rio de Janeiro during the best travel months (June, July, August), when temperatures range from 18°C to 25°C:
Rio de Janeiro has a tropical climate (Koppen classification: Am). The warmest month is February with highs of 31°C, while the coldest month is July at just 25°C. Annual rainfall averages 1601mm across approximately 169 rain days.
| Metric | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| High °C | 31 | 31 | 30 | 28 | 26 | 25 | 25 | 26 | 27 | 28 | 28 | 30 |
| Low °C | 24 | 24 | 23 | 22 | 19 | 18 | 17 | 18 | 19 | 20 | 21 | 23 |
| Rain Days | 20 | 17 | 21 | 14 | 11 | 7 | 7 | 8 | 11 | 14 | 19 | 20 |
| Rain mm | 253 | 187 | 210 | 103 | 76 | 47 | 49 | 43 | 88 | 115 | 204 | 226 |
| Sun h/day | 10 | 10 | 10 | 10 | 9 | 9 | 8 | 9 | 9 | 9 | 9 | 10 |
| Humidity % | 78 | 78 | 78 | 78 | 78 | 78 | 78 | 78 | 78 | 78 | 78 | 78 |
| UV Index | 9 | 9 | 6 | 6 | 2 | 2 | 2 | 2 | 6 | 6 | 9 | 9 |
Considering alternatives to Rio de Janeiro? Compare the best travel months for nearby cities:
For a complete day-by-day weather breakdown including packing lists, activities, and local events, explore each month individually:
January
February
March
April
May
June
July
August
September
October
November
December
Explore weather guides for other popular destinations: