Rio de Janeiro, Brazil skyline

Rio de Janeiro Weather by Month

Twelve months of Rio de Janeiro, Brazil weather — averages from 2006–2025.

Rio de Janeiro's warmest month is February (average high 30.9°C (87.6°F)) and the coolest is July (24.8°C (76.6°F)). The most rain falls in January (about 211 mm), and June is the driest (about 46 mm). February is the sunniest, with about 10.5 hours of sunshine a day.

Best months to visit Rio de Janeiro

  1. #1JulyGreat
  2. #2AugustGreat
  3. #3SeptemberGreat

Ranked within Rio de Janeiro's own year by temperature comfort, rainy days and sunshine — historical averages, not a forecast.

Rio de Janeiro month by month

January

Fair

High 30.4°C (86.7°F)
Low 23.6°C (74.5°F)

Rainfall
211 mm (8.3 in)
Rainy days
17 rainy days
Sunshine
10.1 h sunshine / day
January

February

Good

High 30.9°C (87.6°F)
Low 23.8°C (74.8°F)

Rainfall
144 mm (5.7 in)
Rainy days
15 rainy days
Sunshine
10.5 h sunshine / day
February

March

Fair

High 29.5°C (85.1°F)
Low 23.3°C (73.9°F)

Rainfall
170 mm (6.7 in)
Rainy days
17 rainy days
Sunshine
10.1 h sunshine / day
March

April

Good

High 27.5°C (81.5°F)
Low 21.5°C (70.7°F)

Rainfall
106 mm (4.2 in)
Rainy days
14 rainy days
Sunshine
9.7 h sunshine / day
April

May

Great

High 25.5°C (77.9°F)
Low 19.2°C (66.6°F)

Rainfall
65 mm (2.5 in)
Rainy days
10 rainy days
Sunshine
9 h sunshine / day
May

June

Great

High 24.9°C (76.8°F)
Low 18.2°C (64.8°F)

Rainfall
46 mm (1.8 in)
Rainy days
9 rainy days
Sunshine
8.8 h sunshine / day
June

July

Great

High 24.8°C (76.6°F)
Low 17.6°C (63.7°F)

Rainfall
46 mm (1.8 in)
Rainy days
7 rainy days
Sunshine
8.7 h sunshine / day
July

August

Great

High 25.5°C (77.9°F)
Low 17.8°C (64°F)

Rainfall
49 mm (1.9 in)
Rainy days
8 rainy days
Sunshine
9 h sunshine / day
August

September

Great

High 26.8°C (80.2°F)
Low 19°C (66.2°F)

Rainfall
67 mm (2.6 in)
Rainy days
9 rainy days
Sunshine
9.4 h sunshine / day
September

October

Good

High 27.3°C (81.1°F)
Low 20.3°C (68.5°F)

Rainfall
105 mm (4.1 in)
Rainy days
15 rainy days
Sunshine
9.2 h sunshine / day
October

November

Fair

High 27.4°C (81.3°F)
Low 21°C (69.8°F)

Rainfall
176 mm (6.9 in)
Rainy days
17 rainy days
Sunshine
9.5 h sunshine / day
November

December

Fair

High 29.3°C (84.7°F)
Low 22.7°C (72.9°F)

Rainfall
192 mm (7.5 in)
Rainy days
18 rainy days
Sunshine
10.2 h sunshine / day
December
Full 20-year climate guide for Rio de JaneiroCharts, the monthly averages table and packing tips

More Brazil cities by month

Based on 20 years of historical weather data (2006–2025) from Open-Meteo. Monthly averages, not a forecast.