Rio Negro monthly weather averages

Contents

Average daytime temperature

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

Rio Negro average temperature chart (Celsius) Rio Negro average temperature chart (Fahrenheit)
Average monthly temperatures in Rio Negro (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 26.6 26.5 25.2 22.6 20.2 18.8 18.9 20.3 21.2 22.6 24.7 25.8
°F 79.9 79.8 77.4 72.7 68.4 65.8 65.9 68.5 70.2 72.7 76.4 78.5

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 Negro monthly rainfall chart (mm) Rio Negro monthly rainfall chart (inches)
Average monthly rainfall in Rio Negro (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 156 166 143 76 101 97 86 91 121 141 113 152
inches 6.1 6.5 5.6 3 4 3.8 3.4 3.6 4.8 5.5 4.4 6
Rainy days 26 23 23 17 17 16 15 14 18 20 19 24

Average annual rainfall in Rio Negro: 1365.567mm (537.6 inches)

Average daily sunshine

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

Rio Negro average daily sunshine chart
Average daily sunshine Rio Negro
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 3.6 3.6 3.1 3.2 3.3 3.3 3.4 3.2 2.7 3.1 3.8 3.5

Day / night temperatures

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

Rio Negro average minimum / maximum temperatures (Celsius) Rio Negro average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Rio Negro (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 15.9 16.2 14.8 11.8 8.7 7 6.7 7.8 10.1 11.9 13.3 14.9
Max °C 26.9 26.8 25.5 22.9 20.5 19.1 19.2 20.6 21.5 22.9 25 26.1
Min °F 60.6 61.2 58.6 53.2 47.7 44.5 44 46 50.2 53.4 55.9 58.8
Max °F 70.5 70.7 68.2 63.1 58.3 55.4 55.2 57.6 60.4 63.3 66.4 68.9

Sea temperature

The graph below shows the average sea temperature.

Rio Negro average sea temperature chart (Celsius) Rio Negro average sea temperature chart (Fahrenheit)
Average sea temperature around Rio Negro in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 26 26.4 26 24.6 22.3 20.2 18.8 18.5 19.4 20.9 22.7 24.5
°F 78.9 79.5 78.8 76.2 72.1 68.4 65.8 65.4 66.9 69.6 72.9 76.1

Wind speed

The graph below shows the average wind speed.

Rio Negro average winspeed by month (km/h) Rio Negro average winspeed by month (mph)
Average wind speed in Rio Negro (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 10 9 9 8 7 8 8 9 10 11 11 11
mph 6 6 5 5 4 5 5 6 6 7 7 7

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 Negro relative humidity averages
Average relative humidity in Rio Negro
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
81% 83% 83% 83% 82% 83% 81% 80% 82% 80% 78% 80%

Other monthly averages

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

Rio Negro weather stats

Rio Negro weather statistics
Hottest month: February 26.5°C 79.7°F
Driest month: April 76mm 3ins
Sunniest month: June 3.3hrs
Coldest month: July 18.9°C 66°F
Wettest month: February 166mm 6.5ins
Warmest sea: February 26.4°C 79.5°F
Map showing location of Rio Negro (-26.10583, -49.7975) Rio Negro map pin © Google

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