Sunshine Map

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.

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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
Rio De Janeiro, Brazil
Rio De Janeiro — photo via Wikimedia Commons

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

January: 65February: 65March: 65April: 74May: 79June: 83July: 84August: 8585September: 80October: 72November: 65December: 65JFMAMJJASOND
MonthScoreDay highNight lowRainUVSea
January65 29° / 84°F24° / 75°F 208 mm1027° / 81°F
February65 29° / 84°F24° / 75°F 152 mm1128° / 82°F
March65 28° / 82°F24° / 75°F 173 mm927° / 81°F
April74 27° / 81°F22° / 72°F 101 mm825° / 77°F
May79 25° / 77°F20° / 68°F 71 mm625° / 77°F
June83 25° / 77°F19° / 66°F 49 mm524° / 75°F
July84 25° / 77°F18° / 64°F 45 mm523° / 73°F
August85 25° / 77°F18° / 64°F 42 mm623° / 73°F
September80 26° / 79°F19° / 66°F 69 mm724° / 75°F
October72 27° / 81°F20° / 68°F 108 mm823° / 73°F
November65 27° / 81°F21° / 70°F 220 mm822° / 72°F
December65 28° / 82°F23° / 73°F 232 mm926° / 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

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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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