Rio de Janeiro monthly weather averages

Average daytime temperature

The bar chart below shows the average monthly peak daytime temperatures at Rio de Janeiro

Rio de Janeiro average temperature chart (Celsius) Rio de Janeiro average temperature chart (Fahrenheit)
Average monthly temperatures in Rio de Janeiro (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 29.5 29.9 29 27 25.5 24.6 24.2 24.9 24.9 25.5 26.5 28
°F 85.1 85.8 84.2 80.6 77.8 76.3 75.5 76.8 76.7 77.8 79.6 82.3

Please note: these are the average peak daytime temperatures (usually around mid-afternoon) so do not show daytime / night highs and lows. To see the daily range of temperatures have a look at the temperature max / min chart below.

Average rainfall & rainy days

The graph below shows the average rainfall and number of rainy days per month.

Rio de Janeiro monthly rainfall chart (mm) Rio de Janeiro monthly rainfall chart (inches)
Average monthly rainfall in Rio de Janeiro (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 203 186 183 146 107 71 66 76 96 129 159 207
inches 8 7.3 7.2 5.8 4.2 2.8 2.6 3 3.8 5.1 6.2 8.1
Rainy days 20 16 15 15 12 10 9 9 12 18 19 21

Average daily sunshine

The bar chart below shows the average daily sunshine hours in Rio de Janeiro

Rio de Janeiro average daily sunshine chart
Average daily sunshine Rio de Janeiro
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 6.8 7.1 6.7 6.2 6.2 6.3 6.6 6.6 5.1 5.1 5.7 5.5

Day / night temperatures

The graph below shows the daily range of temperatures for each month.

Rio de Janeiro average minimum / maximum temperatures (Celsius) Rio de Janeiro average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Rio de Janeiro (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 21.3 21.5 21 19.4 17.6 16.2 15.6 16.1 17 18 19 20.3
Max °C 29.7 30.1 29.2 27.2 25.7 24.8 24.4 25.1 25.1 25.7 26.7 28.2
Min °F 70.3 70.7 69.8 66.9 63.6 61.2 60.1 61 62.5 64.3 66.1 68.5
Max °F 77.9 78.4 77.2 73.9 70.9 68.9 68 69.1 69.8 71.2 73 75.6

Sea temperature

The graph below shows the average sea temperature.

Rio de Janeiro average sea temperature chart (Celsius) Rio de Janeiro average sea temperature chart (Fahrenheit)
Average sea temperature around Rio de Janeiro in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 25.7 26.1 26.3 25.8 24.3 23 22.3 21.9 21.9 22.5 23.6 24.8
°F 78.2 79 79.3 78.5 75.8 73.5 72.1 71.4 71.5 72.5 74.4 76.6

Wind speed

The graph below shows the average wind speed.

Rio de Janeiro average winspeed by month (km/h) Rio de Janeiro average winspeed by month (mph)
Average wind speed in Rio de Janeiro (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 9 8 9 8 7 7 7 8 9 9 10 9
mph 6 5 5 5 4 4 4 5 6 6 6 6

A monthly average windspeed of over 16km/h or 10mph suggests a location is fairly windy.

Relative humidity

The graph below shows the average relative humidity.

Rio de Janeiro relative humidity averages
Average relative humidity in Rio de Janeiro
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
79% 80% 81% 82% 82% 81% 79% 78% 79% 80% 80% 81%
Rio de Janeiro

Other monthly averages

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Rio de Janeiro weather stats

Rio de Janeiro weather statistics
Hottest month: February 29.9°C 85.8°F
Driest month: July 66mm 2.6ins
Sunniest month: July 6.6hrs
Coldest month: July 24.2°C 75.6°F
Wettest month: December 207mm 8.1ins
Warmest sea: March 26.3°C 79.3°F
Map showing location of Rio de Janeiro (-22.90278, -43.2075)

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