Yearly weather and climate in Rio de Janeiro, Brazil
The yearly weather in Rio de Janeiro runs from around 18°C in July to 29°C in January. July is the driest month at 7 rainy days; December the wettest at 17. Here is the annual climate data, so you know what you are packing for.
Best time to visit
The best weather is typically in May, Jul, Sep, with mild temperatures and lower rainfall.
Sunshine
Expect up to 10.7 hours of clear skies in Mar, but only 9.1 hours in Jul. Pack sunglasses and SPF accordingly.
Rainfall
It rains the most in Dec (162mm over 17 days). A reliable rain jacket is a must-have if visiting then.
Day-to-night swings
Temperatures typically drop by 6°C from day to night. Make sure to pack layers for the evenings.
Average temperatures and rainfall
Daily highs and lows in Rio de Janeiro, averaged over 10 years of recorded weather, with the number of days it typically rains.
- 2985°2474°16Jan
- 2985°2475°16Feb
- 2984°2374°10Mar
- 2780°2170°13Apr
- 2678°2067°8May
- 2578°1966°9Jun
- 2577°1865°7Jul
- 2577°1865°9Aug
- 2780°2068°8Sep
- 2680°2169°16Oct
- 2780°2170°15Nov
- 2883°2272°17Dec
Bars span the average daily low to high. Numbers under the drop are rainy days per month (1mm or more) — hover a month for its total rainfall. Jul is typically driest at 7 days (42mm); Dec the wettest at 17 days (162mm).
| Month | Average high | Average low | Rainy days | Total rainfall |
|---|---|---|---|---|
| Jan | 29°C | 24°C | 16 | 156mm |
| Feb | 29°C | 24°C | 16 | 139mm |
| Mar | 29°C | 23°C | 10 | 118mm |
| Apr | 27°C | 21°C | 13 | 90mm |
| May | 26°C | 20°C | 8 | 56mm |
| Jun | 25°C | 19°C | 9 | 38mm |
| Jul | 25°C | 18°C | 7 | 42mm |
| Aug | 25°C | 18°C | 9 | 74mm |
| Sep | 27°C | 20°C | 8 | 70mm |
| Oct | 26°C | 21°C | 16 | 102mm |
| Nov | 27°C | 21°C | 15 | 110mm |
| Dec | 28°C | 22°C | 17 | 162mm |
Weather data by Open-Meteo.com
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