Rio de Janeiro month by month
Plan your visit to Rio de Janeiro by month. Compare weather, crowds, events, and prices across all twelve months with historical climate data.
Rio de Janeiro's year splits into two halves. December through February runs hot and wet, with highs of 29 to 30°C and 13 to 16 rain days per month. December leads at 16 rain days. From May through September, the city cools to 24 to 26°C and rain falls on 6 to 9 days. July sits at the floor of both scales, 24°C and 6 rain days. March still hits 30°C but records only 8 rain days, the driest of the warm months. October and November swing back toward the wet pattern at 15 and 13 rain days, with temperatures at 26 and 27°C.
The 12 month guides below break each period into its own conditions. If you're planning around the drier window, start with July or May, at 6 and 7 rain days. For the summer heat, February holds at 30°C with 13 rain days, fewer than January's 15 or December's 16. April and October sit between the two regimes. April logs 13 rain days at 27°C. October records 15 at 26°C, one short of December's peak.
July is Rio de Janeiro's coolest and driest month, with 24°C highs and 6 rain days, a 6°C drop from January's 30°C and 10 fewer rain days than December's 16.
- January
- High
- 30°C
- Low
- 24°C
- Rain
- 149 mm
January in Rio de Janeiro is the wettest month of the year, with 149mm of rainfall spread across roughly 15 days, and it still costs more than almost any other time to be here.…
- February
- High
- 30°C
- Low
- 24°C
- Rain
- 88 mm
February in Rio de Janeiro means one thing above all else. Carnaval. The city's entire rhythm shifts around this single week, typically falling between February 10 and February 25…
- March
- High
- 30°C
- Low
- 23°C
- Rain
- 100 mm
March in Rio de Janeiro is the city catching its breath after summer's peak. Temperatures still hover around 29.6°C (85°F) in the afternoons, humidity sits at a thick 81%, and the…
- April
- High
- 27°C
- Low
- 21°C
- Rain
- 105 mm
April in Rio de Janeiro is the city exhaling after summer. Carnival ended 4 to 6 weeks ago, the peak tourist season is firmly behind, and daytime temperatures have cooled to around…
- May
- High
- 26°C
- Low
- 20°C
- Rain
- 40 mm
May is when Rio de Janeiro stops performing. The Carnival floats have been stored for 3 months, summer's suffocating heat has broken, and the city settles into an autumn rhythm…
- June
- High
- 25°C
- Low
- 19°C
- Rain
- 36 mm
June in Rio de Janeiro means winter. Daytime temperatures hover around 25°C (77°F), nights fall to about 19°C (66°F), and the city receives roughly 36mm of rain across 9 scattered…
- July
- High
- 24°C
- Low
- 18°C
- Rain
- 39 mm
July is Rio de Janeiro's coolest month, and that single fact reshapes the entire experience. Daytime highs sit around 24°C (76°F) with overnight lows near 18°C (64°F), which by…
- August
- High
- 25°C
- Low
- 18°C
- Rain
- 66 mm
August is Rio de Janeiro's winter, and that fact alone changes everything you'd expect from this city. Daytime temperatures reach around 25°C (77°F), dropping to 18°C (65°F) after…
- September
- High
- 27°C
- Low
- 20°C
- Rain
- 46 mm
September is one of the driest months in Rio de Janeiro, with roughly 46mm of rain spread across about 8 days. You're catching the city at the tail end of winter, before the wet…
- October
- High
- 26°C
- Low
- 20°C
- Rain
- 100 mm
October in Rio de Janeiro is defined by one atmospheric shift. The dry season ends. After months of clear winter skies that kept Sugarloaf and Cristo Redentor in sharp relief,…
- November
- High
- 27°C
- Low
- 21°C
- Rain
- 100 mm
November in Rio de Janeiro is the month the city pivots from its cooler, drier winter toward the sticky heat of summer. The single most important thing to know is that the major…
- December
- High
- 29°C
- Low
- 22°C
- Rain
- 139 mm
December in Rio de Janeiro is defined by one event above all others. Réveillon, the New Year's Eve celebration on Copacabana Beach, draws over 2 million people to a 4-kilometer…