Castle Hill monthly weather averages

Contents

Average daytime temperature

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

Castle Hill average temperature chart (Celsius) Castle Hill average temperature chart (Fahrenheit)
Average monthly temperatures in Castle Hill (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 27.8 27.4 26 23.5 19.9 17.2 16.8 18.1 20.9 23.3 25.2 27.3
°F 82 81.3 78.9 74.3 67.9 62.9 62.2 64.7 69.7 74 77.3 81.2

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.

Castle Hill monthly rainfall chart (mm) Castle Hill monthly rainfall chart (inches)
Average monthly rainfall in Castle Hill (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 114 123 114 79 72 90 47 60 43 73 86 74
inches 4.5 4.9 4.5 3.1 2.9 3.5 1.9 2.4 1.7 2.9 3.4 2.9
Rainy days 12 12 13 11 11 11 8 10 10 11 12 10

Average annual rainfall in Castle Hill: 1091.367mm (429.7 inches)

Average daily sunshine

The bar chart below shows the average daily sunshine hours in Castle Hill

Castle Hill average daily sunshine chart
Average daily sunshine Castle Hill
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 7.7 7.3 6.9 6.9 6.1 6.3 7 7.8 7.9 8 8.3 8.4

Day / night temperatures

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

Castle Hill average minimum / maximum temperatures (Celsius) Castle Hill average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Castle Hill (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 17.4 17.4 15.7 12.3 8.6 6 4.3 5.6 8.2 11.4 13.8 16
Max °C 28.1 27.7 26.3 23.8 20.2 17.5 17.1 18.5 21.3 23.6 25.5 27.6
Min °F 63.2 63.2 60.3 54.1 47.5 42.7 39.7 42 46.7 52.5 56.8 60.8
Max °F 72.9 72.5 69.8 64.4 57.9 53.1 51.3 53.6 58.5 63.5 67.3 71.2

Sea temperature

The graph below shows the average sea temperature.

Castle Hill average sea temperature chart (Celsius) Castle Hill average sea temperature chart (Fahrenheit)
Average sea temperature around Castle Hill 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.

Castle Hill average winspeed by month (km/h) Castle Hill average winspeed by month (mph)
Average wind speed in Castle Hill (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 13 12 11 10 10 11 12 13 14 14 14 14
mph 8 7 7 7 6 7 7 8 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.

Castle Hill relative humidity averages
Average relative humidity in Castle Hill
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
62% 65% 65% 64% 67% 67% 62% 58% 54% 55% 57% 57%

Other monthly averages

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Beta

Current (hourly) weather 15 day forecast

Castle Hill weather stats

Castle Hill weather statistics
Hottest month: January 27.8°C 82°F
Driest month: September 43mm 1.7ins
Sunniest month: August 7.8hrs
Coldest month: July 16.8°C 62.2°F
Wettest month: February 123mm 4.8ins
Warmest sea: February 24.2°C 75.6°F
Map showing location of Castle Hill (-33.73333, 151) Castle Hill map pin © Google

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