Dee Why monthly weather averages

Contents

Average daytime temperature

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

Dee Why average temperature chart (Celsius) Dee Why average temperature chart (Fahrenheit)
Average monthly temperatures in Dee Why (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 26.2 26.3 25.1 23 20 17.4 16.9 18 20.3 22.3 23.8 25.8
°F 79.2 79.3 77.2 73.4 68 63.4 62.4 64.4 68.5 72.2 74.8 78.4

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.

Dee Why monthly rainfall chart (mm) Dee Why monthly rainfall chart (inches)
Average monthly rainfall in Dee Why (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 138 160 158 120 113 153 77 90 63 91 102 92
inches 5.4 6.3 6.2 4.7 4.5 6 3 3.5 2.5 3.6 4 3.6
Rainy days 12 12 13 11 11 11 8 10 10 11 12 10

Average annual rainfall in Dee Why: 1474.1mm (580.4 inches)

Average daily sunshine

The bar chart below shows the average daily sunshine hours in Dee Why

Dee Why average daily sunshine chart
Average daily sunshine Dee Why
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 7.6 7.3 6.9 6.9 6.3 6.2 7.1 7.8 7.8 7.8 8.2 8.2

Day / night temperatures

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

Dee Why average minimum / maximum temperatures (Celsius) Dee Why average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Dee Why (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 18.4 18.6 17.1 14 10.8 8.6 7.1 8 10.3 13.1 15 17.2
Max °C 26.4 26.5 25.3 23.2 20.3 17.7 17.2 18.3 20.6 22.6 24 26
Min °F 65.1 65.4 62.8 57.2 51.4 47.4 44.7 46.3 50.5 55.5 59 63
Max °F 72.3 72.5 70.2 65.5 59.9 55.6 53.8 55.6 59.7 64 67.1 70.9

Sea temperature

The graph below shows the average sea temperature.

Dee Why average sea temperature chart (Celsius) Dee Why average sea temperature chart (Fahrenheit)
Average sea temperature around Dee Why 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.

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

Dee Why relative humidity averages
Average relative humidity in Dee Why
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
65% 67% 66% 65% 66% 66% 61% 58% 55% 57% 60% 60%

Other monthly averages

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

Dee Why weather stats

Dee Why weather statistics
Hottest month: February 26.3°C 79.3°F
Driest month: September 63mm 2.5ins
Sunniest month: August 7.8hrs
Coldest month: July 16.9°C 62.4°F
Wettest month: February 160mm 6.3ins
Warmest sea: February 24.2°C 75.6°F
Map showing location of Dee Why (-33.75, 151.3) Dee Why map pin © Google

Locations nearby

Top Australia locations