Rio Branco monthly weather averages

Contents

Average daytime temperature

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

Rio Branco average temperature chart (Celsius) Rio Branco average temperature chart (Fahrenheit)
Average monthly temperatures in Rio Branco (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 30.7 30.7 31 31 30.4 30 31 32.3 32.6 32.3 31.7 31
°F 87.3 87.3 87.8 87.9 86.6 86.1 87.8 90.1 90.6 90.2 89.1 87.9

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 Branco monthly rainfall chart (mm) Rio Branco monthly rainfall chart (inches)
Average monthly rainfall in Rio Branco (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 281 278 249 185 99 34 32 37 101 166 195 246
inches 11.1 10.9 9.8 7.3 3.9 1.3 1.2 1.5 4 6.5 7.7 9.7
Rainy days 27 25 26 20 12 8 7 7 11 18 21 25

Average annual rainfall in Rio Branco: 1826.033mm (718.9 inches)

Average daily sunshine

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

Rio Branco average daily sunshine chart
Average daily sunshine Rio Branco
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 3.4 3.3 4.1 4.4 5.1 5.3 7.1 6 5.2 5.1 4.7 4

Day / night temperatures

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

Rio Branco average minimum / maximum temperatures (Celsius) Rio Branco average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Rio Branco (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 22.1 22.3 22.4 22.2 20.4 19.1 18.3 19 20.8 21.4 21.7 22
Max °C 31 31 31.2 31.3 30.6 30.3 31.3 32.6 32.9 32.6 32 31.3
Min °F 71.7 72.1 72.3 71.9 68.7 66.4 64.9 66.2 69.4 70.5 71 71.5
Max °F 79.7 79.9 80.2 80.1 77.9 76.5 76.6 78.4 80.2 80.6 80.2 79.9

Sea temperature

The graph below shows the average sea temperature.

Rio Branco average sea temperature chart (Celsius) Rio Branco average sea temperature chart (Fahrenheit)
Average sea temperature around Rio Branco in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 24.5 24.7 24.3 23.4 22.6 21.8 21.1 20.7 20.9 21.5 22.4 23.5
°F 76.2 76.5 75.7 74.2 72.7 71.2 69.9 69.3 69.7 70.7 72.3 74.3

Wind speed

The graph below shows the average wind speed.

Rio Branco average winspeed by month (km/h) Rio Branco average winspeed by month (mph)
Average wind speed in Rio Branco (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 4 4 4 4 4 4 4 5 5 5 5 4
mph 3 2 3 2 2 2 3 3 3 3 3 2

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 Branco relative humidity averages
Average relative humidity in Rio Branco
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
87% 87% 87% 87% 86% 83% 79% 77% 78% 82% 85% 87%

Other monthly averages

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

Rio Branco weather stats

Rio Branco weather statistics
Hottest month: October 32.3°C 90.1°F
Driest month: July 32mm 1.3ins
Sunniest month: July 7.1hrs
Coldest month: June 30°C 86°F
Wettest month: January 281mm 11.1ins
Warmest sea: February 24.7°C 76.5°F
Map showing location of Rio Branco (-9.97472, -67.81) Rio Branco map pin © Google

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