Rio De Janeiro weather by month & the best time to visit
🇧🇷 Brazil · major coastal city · tropical monsoon climate
The best time to visit Rio De Janeiro is August — its sunniest month (Sunshine Score 85/100), with July and June close behind. Rio De Janeiro averages about 2,288 hours of sunshine a year. Daytime highs around 25°C / 77°F and roughly 42 mm of rain in August.
Jump to: month-by-month table · sea temperature · nearby alternatives · embed this data
- Sun hours / year
- 2,288
- Sunniest month
- August
- Peak score
- 85/100
- Rain / year
- 1,470 mm
- Midday UV at peak
- 11 (extreme)
- Sea at warmest
- 28°C / 82°F
- Population
- 11.7M
- Elevation
- 9 m

When is the best time to visit Rio De Janeiro?
For sunshine, the best time to visit Rio De Janeiro is August, then July and June. The dullest month is January (65/100, 208 mm of rain). The full month-by-month picture is in the table below.
How sunny is Rio De Janeiro?
Rio De Janeiro gets a moderate 2,288 hours of sunshine a year. August (85/100) is noticeably better than January (65). It ranks #94 of 131 destinations in Brazil for annual sunshine, below the national median of 2,486 hours. Rain has a clear season: the wettest stretch, around December, carries about 45% of the annual 1,470 mm.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV | Sea |
|---|---|---|---|---|---|---|
| January | 65 | 29° / 84°F | 24° / 75°F | 208 mm | 10 | 27° / 81°F |
| February | 65 | 29° / 84°F | 24° / 75°F | 152 mm | 11 | 28° / 82°F |
| March | 65 | 28° / 82°F | 24° / 75°F | 173 mm | 9 | 27° / 81°F |
| April | 74 | 27° / 81°F | 22° / 72°F | 101 mm | 8 | 25° / 77°F |
| May | 79 | 25° / 77°F | 20° / 68°F | 71 mm | 6 | 25° / 77°F |
| June | 83 | 25° / 77°F | 19° / 66°F | 49 mm | 5 | 24° / 75°F |
| July | 84 | 25° / 77°F | 18° / 64°F | 45 mm | 5 | 23° / 73°F |
| August | 85 | 25° / 77°F | 18° / 64°F | 42 mm | 6 | 23° / 73°F |
| September | 80 | 26° / 79°F | 19° / 66°F | 69 mm | 7 | 24° / 75°F |
| October | 72 | 27° / 81°F | 20° / 68°F | 108 mm | 8 | 23° / 73°F |
| November | 65 | 27° / 81°F | 21° / 70°F | 220 mm | 8 | 22° / 72°F |
| December | 65 | 28° / 82°F | 23° / 73°F | 232 mm | 9 | 26° / 79°F |
Sea temperature in Rio De Janeiro by month
The sea off Rio De Janeiro is warmest in February at around 28°C / 82°F, and coolest in November at 22°C / 72°F. The water sits at a comfortable 21°C or warmer roughly all year round. Month-by-month sea-surface temperatures are in the Sea column of the table above.
See Rio De Janeiro on the interactive sunshine globe →
Nearby places for sunshine
- São Paulo Brazil · 336 km · best in Aug · 2,156 h sun/yr
- Belo Horizonte Brazil · 361 km · best in Jun · 2,492 h sun/yr
- Campinas Brazil · 398 km · best in Aug · 2,449 h sun/yr
- Vitória Brazil · 418 km · best in Jul · 2,384 h sun/yr
- Ribeirão Preto Brazil · 502 km · best in Jul · 2,763 h sun/yr
- Curitiba Brazil · 673 km · best in Aug · 2,019 h sun/yr
Nearest destinations
- Cabo Frio Brazil · 121 km · 2,275 h sun/yr · best in Jun
- Juiz de Fora Brazil · 144 km · 2,244 h sun/yr · best in Jul
- Paraty Brazil · 158 km · 2,384 h sun/yr · best in Aug
- Campos dos Goytacazes Brazil · 236 km · 2,486 h sun/yr · best in Jul
- São José Dos Campos Brazil · 271 km · 2,230 h sun/yr · best in Aug
Head-to-head
How Rio De Janeiro compares month by month: Rio De Janeiro vs São Paulo · Rio De Janeiro vs Belo Horizonte · Rio De Janeiro vs Campinas · Rio De Janeiro vs Vitória · all comparisons
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