Duncans monthly weather averages

Average daytime temperature

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

Duncans average temperature chart (Celsius) Duncans average temperature chart (Fahrenheit)
Average monthly temperatures in Duncans (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 28 28.1 28.4 29 29.3 29.7 30.5 30.7 30.2 29.4 29.1 28.4
°F 82.3 82.6 83.2 84.2 84.7 85.4 87 87.3 86.3 84.9 84.3 83.2

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.

Duncans monthly rainfall chart (mm) Duncans monthly rainfall chart (inches)
Average monthly rainfall in Duncans (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 111 87 65 99 156 132 90 125 147 202 177 137
inches 4.4 3.4 2.6 3.9 6.1 5.2 3.5 4.9 5.8 7.9 7 5.4
Rainy days 7 6 6 7 12 12 13 13 14 16 11 8

Average annual rainfall in Duncans: 1467.734mm (577.8 inches)

Average daily sunshine

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

Duncans average daily sunshine chart
Average daily sunshine Duncans
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 7.7 8 8.2 8.7 7.3 7.2 8.1 7.9 6.9 6.7 6.9 7.1

Day / night temperatures

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

Duncans average minimum / maximum temperatures (Celsius) Duncans average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Duncans (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 18.6 18.9 19.6 20.4 21.6 22.2 22.1 22.3 22.1 21.8 21 19.6
Max °C 28.2 28.4 28.7 29.2 29.5 29.9 30.8 30.9 30.4 29.6 29.3 28.7
Min °F 65.5 65.9 67.2 68.7 70.8 71.9 71.7 72.1 71.7 71.2 69.7 67.2
Max °F 74.1 74.5 75.4 76.6 77.9 78.8 79.5 79.9 79.2 78.3 77.2 75.4

Sea temperature

The graph below shows the average sea temperature.

Duncans average sea temperature chart (Celsius) Duncans average sea temperature chart (Fahrenheit)
Average sea temperature around Duncans in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 27.2 26.9 26.9 27.5 28.2 28.6 29 29.4 29.6 29.3 28.7 27.9
°F 81 80.4 80.5 81.5 82.7 83.5 84.2 85 85.2 84.8 83.7 82.2

Wind speed

The graph below shows the average wind speed.

Duncans average winspeed by month (km/h) Duncans average winspeed by month (mph)
Average wind speed in Duncans (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 13 13 14 14 12 12 12 12 10 10 12 12
mph 8 8 9 9 7 7 8 7 6 6 7 8

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.

Duncans relative humidity averages
Average relative humidity in Duncans
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
78% 77% 78% 77% 80% 80% 77% 79% 81% 82% 82% 79%

Other monthly averages

UV index Best time to go?

Duncans weather stats

Duncans weather statistics
Hottest month: August 30.7°C 87.3°F
Driest month: March 65mm 2.6ins
Sunniest month: April 8.7hrs
Coldest month: January 28°C 82.4°F
Wettest month: October 202mm 8ins
Warmest sea: September 29.6°C 85.3°F
Map showing location of Duncans (18.468, -77.53633) Duncans map pin © Google

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