Constantia monthly weather averages

Contents

Average daytime temperature

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

Constantia average temperature chart (Celsius) Constantia average temperature chart (Fahrenheit)
Average monthly temperatures in Constantia (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 23.7 23.9 23.1 21.2 18.8 17 16.2 16.4 17.5 19.3 21 22.6
°F 74.7 75 73.6 70.2 65.8 62.5 61.2 61.5 63.5 66.7 69.8 72.6

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.

Constantia monthly rainfall chart (mm) Constantia monthly rainfall chart (inches)
Average monthly rainfall in Constantia (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 31 31 40 79 131 183 155 156 92 59 38 41
inches 1.2 1.2 1.6 3.1 5.2 7.2 6.1 6.1 3.6 2.3 1.5 1.6
Rainy days 5 5 5 8 12 14 13 14 11 9 6 6

Average annual rainfall in Constantia: 1018.534mm (401 inches)

Average daily sunshine

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

Constantia average daily sunshine chart
Average daily sunshine Constantia
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 11.2 10.6 9.5 7.7 6.5 5.8 6.2 6.8 7.6 8.9 10.3 10.9

Day / night temperatures

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

Constantia average minimum / maximum temperatures (Celsius) Constantia average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Constantia (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 15.5 15.3 14.5 12.8 10.8 9.5 8.6 8.8 9.7 11.2 13 14.5
Max °C 24 24.1 23.3 21.5 19 17.2 16.4 16.6 17.7 19.5 21.2 22.8
Min °F 59.8 59.5 58.1 55 51.4 49 47.5 47.8 49.5 52.1 55.4 58
Max °F 67.5 67.5 66 62.8 58.8 55.9 54.5 54.9 56.7 59.5 62.8 65.5

Sea temperature

The graph below shows the average sea temperature.

Constantia average sea temperature chart (Celsius) Constantia average sea temperature chart (Fahrenheit)
Average sea temperature around Constantia in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 20 20.1 19.4 18.1 17 16.1 15.5 15.4 15.6 16.2 17.5 19.1
°F 68 68.2 67 64.6 62.5 61 59.9 59.7 60.1 61.2 63.5 66.4

Wind speed

The graph below shows the average wind speed.

Constantia average winspeed by month (km/h) Constantia average winspeed by month (mph)
Average wind speed in Constantia (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 22 21 18 15 14 14 15 17 18 20 23 23
mph 14 13 11 9 9 9 9 10 11 12 14 14

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.

Constantia relative humidity averages
Average relative humidity in Constantia
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
73% 74% 74% 76% 78% 79% 79% 78% 77% 74% 72% 73%

Other monthly averages

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Beta

Current (hourly) weather 15 day forecast

Constantia weather stats

Constantia weather statistics
Hottest month: January 23.7°C 74.7°F
Driest month: January 31mm 1.2ins
Sunniest month: February 10.6hrs
Coldest month: July 16.2°C 61.2°F
Wettest month: June 183mm 7.2ins
Warmest sea: February 20.1°C 68.2°F
Map showing location of Constantia (-34.03139, 18.41833) Constantia map pin © Google

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