Petrópolis monthly weather averages

Average daytime temperature

The bar chart below shows the average monthly peak daytime temperatures at Petrópolis

Petrópolis average temperature chart (Celsius) Petrópolis average temperature chart (Fahrenheit)
Average monthly temperatures in Petrópolis (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 29.3 29.5 28.5 26.3 24.5 23.7 23.2 24.4 24.8 25.4 26.4 27.5
°F 84.7 85 83.2 79.4 76 74.6 73.8 75.9 76.6 77.7 79.5 81.6

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.

Petrópolis monthly rainfall chart (mm) Petrópolis monthly rainfall chart (inches)
Average monthly rainfall in Petrópolis (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 304 263 263 157 101 69 62 76 109 165 235 328
inches 12 10.4 10.3 6.2 4 2.7 2.4 3 4.3 6.5 9.2 12.9
Rainy days 21 16 15 14 12 9 9 9 11 18 20 22

Average annual rainfall in Petrópolis: 2065.767mm (813.3 inches)

Average daily sunshine

The bar chart below shows the average daily sunshine hours in Petrópolis

Petrópolis average daily sunshine chart
Average daily sunshine Petrópolis
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 6.4 6.8 6.4 6.1 6.1 6.3 6.5 6.6 5.1 4.9 5.3 5.2

Day / night temperatures

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

Petrópolis average minimum / maximum temperatures (Celsius) Petrópolis average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Petrópolis (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 19.3 19.3 18.7 17.1 14.9 13.5 12.7 13.4 14.8 16 17.2 18.5
Max °C 29.6 29.7 28.7 26.6 24.7 23.9 23.5 24.7 25 25.6 26.6 27.8
Min °F 66.7 66.7 65.7 62.7 58.8 56.3 54.9 56 58.6 60.8 63 65.2
Max °F 75.9 76.1 74.7 71.2 67.6 65.7 64.6 66.2 67.8 69.4 71.4 73.6

Sea temperature

The graph below shows the average sea temperature.

Petrópolis average sea temperature chart (Celsius) Petrópolis average sea temperature chart (Fahrenheit)
Average sea temperature around Petrópolis 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.

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

Petrópolis relative humidity averages
Average relative humidity in Petrópolis
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
82% 83% 84% 86% 86% 85% 83% 81% 82% 83% 83% 84%

Other monthly averages

UV index Best time to go?

Petrópolis weather stats

Petrópolis weather statistics
Hottest month: February 29.5°C 85.1°F
Driest month: July 62mm 2.4ins
Sunniest month: July 6.5hrs
Coldest month: July 23.2°C 73.8°F
Wettest month: December 328mm 12.9ins
Warmest sea: March 26.3°C 79.3°F
Map showing location of Petrópolis (-22.505, -43.17861) Petrópolis map pin © Google

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