Hornsby monthly weather averages

Contents

Average daytime temperature

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

Hornsby average temperature chart (Celsius) Hornsby average temperature chart (Fahrenheit)
Average monthly temperatures in Hornsby (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 26.8 26.7 25.4 23.1 19.9 17.1 16.6 18 20.4 22.7 24.4 26.5
°F 80.3 80 77.8 73.5 67.7 62.8 61.9 64.4 68.8 72.9 75.8 79.6

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.

Hornsby monthly rainfall chart (mm) Hornsby monthly rainfall chart (inches)
Average monthly rainfall in Hornsby (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 125 141 137 95 90 122 59 73 51 82 93 80
inches 4.9 5.6 5.4 3.7 3.5 4.8 2.3 2.9 2 3.2 3.6 3.1
Rainy days 12 12 13 11 11 11 8 10 10 11 12 10

Average annual rainfall in Hornsby: 1265.933mm (498.4 inches)

Average daily sunshine

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

Hornsby average daily sunshine chart
Average daily sunshine Hornsby
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 7.7 7.3 6.9 6.9 6.2 6.2 7 7.8 7.8 7.9 8.2 8.3

Day / night temperatures

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

Hornsby average minimum / maximum temperatures (Celsius) Hornsby average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Hornsby (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 17.8 17.9 16.4 13.1 9.7 7.3 5.7 6.8 9.1 12.3 14.4 16.5
Max °C 27.1 26.9 25.7 23.3 20.1 17.4 16.9 18.3 20.7 23 24.6 26.7
Min °F 64 64.2 61.4 55.6 49.5 45.1 42.3 44.2 48.4 54.1 57.9 61.7
Max °F 72.3 72.3 69.8 64.8 58.8 54.1 52.3 54.5 58.8 63.7 67.1 70.9

Sea temperature

The graph below shows the average sea temperature.

Hornsby average sea temperature chart (Celsius) Hornsby average sea temperature chart (Fahrenheit)
Average sea temperature around Hornsby in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 23.8 24.2 23.9 23.1 21.6 20 18.9 18.8 19 19.7 20.7 22.4
°F 74.8 75.5 75.1 73.6 70.9 68 66.1 65.8 66.3 67.4 69.3 72.3

Wind speed

The graph below shows the average wind speed.

Hornsby average winspeed by month (km/h) Hornsby average winspeed by month (mph)
Average wind speed in Hornsby (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 13 12 12 11 11 12 12 14 14 15 15 14
mph 8 8 7 7 7 7 8 9 9 9 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.

Hornsby relative humidity averages
Average relative humidity in Hornsby
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
64% 66% 65% 65% 66% 66% 61% 58% 55% 56% 59% 59%

Other monthly averages

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Beta

Current (hourly) weather 15 day forecast

Hornsby weather stats

Hornsby weather statistics
Hottest month: January 26.8°C 80.2°F
Driest month: September 51mm 2ins
Sunniest month: August 7.8hrs
Coldest month: July 16.6°C 61.9°F
Wettest month: February 141mm 5.6ins
Warmest sea: February 24.2°C 75.6°F
Map showing location of Hornsby (-33.70244, 151.09931) Hornsby map pin © Google

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