Cairns monthly weather averages

Average daytime temperature

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

Cairns average temperature chart (Celsius) Cairns average temperature chart (Fahrenheit)
Average monthly temperatures in Cairns (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 30.8 30.3 29.6 28.3 26.6 24.8 24.6 25.7 27.1 28.7 30 30.7
°F 87.4 86.6 85.2 82.9 79.8 76.6 76.4 78.2 80.8 83.7 86 87.2

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.

Cairns monthly rainfall chart (mm) Cairns monthly rainfall chart (inches)
Average monthly rainfall in Cairns (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 423 431 442 232 138 72 44 38 39 45 101 188
inches 16.6 17 17.4 9.1 5.4 2.8 1.7 1.5 1.5 1.8 4 7.4
Rainy days 13 14 13 10 8 6 6 4 3 4 5 9

Average daily sunshine

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

Cairns average daily sunshine chart
Average daily sunshine Cairns
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 7.1 6.4 6.5 6.8 6.7 7.9 7.6 8.4 8.6 9 8.7 8.2

Day / night temperatures

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

Cairns average minimum / maximum temperatures (Celsius) Cairns average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Cairns (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 22.9 22.9 22.3 21 19.3 16.8 16.2 16.7 18.1 19.9 21.6 22.6
Max °C 31 30.5 29.8 28.5 26.8 25 24.9 25.9 27.4 29 30.2 30.9
Min °F 73.1 73.2 72.1 69.7 66.7 62.2 61.1 62.1 64.5 67.7 70.9 72.6
Max °F 80.4 80.1 78.8 76.5 73.4 69.6 68.9 70.3 72.9 75.9 78.6 80.1

Sea temperature

The graph below shows the average sea temperature.

Cairns average sea temperature chart (Celsius) Cairns average sea temperature chart (Fahrenheit)
Average sea temperature around Cairns in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 29 29.1 28.6 27.6 26.2 24.9 24.2 24.1 24.9 26.1 27.4 28.4
°F 84.2 84.4 83.5 81.7 79.1 76.9 75.6 75.5 76.8 78.9 81.3 83.1

Wind speed

The graph below shows the average wind speed.

Cairns average winspeed by month (km/h) Cairns average winspeed by month (mph)
Average wind speed in Cairns (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 13 14 17 20 20 19 20 18 18 17 14 14
mph 8 9 10 13 12 12 13 11 11 11 9 9

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.

Cairns relative humidity averages
Average relative humidity in Cairns
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
69% 72% 71% 70% 70% 66% 65% 63% 60% 60% 63% 65%
Cairns

Other monthly averages

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Cairns weather stats

Cairns weather statistics
Hottest month: January 30.8°C 87.4°F
Driest month: August 38mm 1.5ins
Sunniest month: October 9hrs
Coldest month: July 24.6°C 76.3°F
Wettest month: March 442mm 17.4ins
Warmest sea: February 29.1°C 84.4°F
Map showing location of Cairns (-16.92304, 145.76625)

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