Wellington monthly weather averages

Average daytime temperature

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

Wellington average temperature chart (Celsius) Wellington average temperature chart (Fahrenheit)
Average monthly temperatures in Wellington (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 20.2 20.3 19 16.5 13.7 11.6 10.9 11.7 13.3 15 16.6 18.5
°F 68.4 68.6 66.3 61.6 56.7 52.8 51.6 53 55.9 59 62 65.4

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.

Wellington monthly rainfall chart (mm) Wellington monthly rainfall chart (inches)
Average monthly rainfall in Wellington (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 80 62 97 107 125 139 144 136 104 103 95 94
inches 3.2 2.4 3.8 4.2 4.9 5.5 5.7 5.3 4.1 4 3.7 3.7
Rainy days 9 9 12 11 14 17 16 18 15 14 12 12

Average daily sunshine

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

Wellington average daily sunshine chart
Average daily sunshine Wellington
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 8.2 7.6 6.2 5.4 4.3 3.7 3.9 4.3 5.3 6.4 7.2 7.5

Day / night temperatures

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

Wellington average minimum / maximum temperatures (Celsius) Wellington average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Wellington (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 13.2 13.1 12.4 10.4 8.4 6.3 5.6 6.2 7.4 8.7 10.2 11.9
Max °C 20.4 20.5 19.2 16.6 13.9 11.7 11 11.8 13.5 15.2 16.8 18.7
Min °F 55.8 55.6 54.3 50.7 47 43.3 42.1 43.2 45.2 47.6 50.4 53.4
Max °F 62.2 62.2 60.4 56.3 52 48.2 46.9 48.2 50.7 53.4 56.3 59.5

Sea temperature

The graph below shows the average sea temperature.

Wellington average sea temperature chart (Celsius) Wellington average sea temperature chart (Fahrenheit)
Average sea temperature around Wellington in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 16.9 17.8 17.3 16.2 14.9 13.6 12.9 12.4 12.5 13.1 14.2 15.6
°F 62.5 64.1 63.2 61.2 58.8 56.5 55.2 54.4 54.6 55.6 57.6 60.2

Wind speed

The graph below shows the average wind speed.

Wellington average winspeed by month (km/h) Wellington average winspeed by month (mph)
Average wind speed in Wellington (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 21 20 19 19 19 18 18 19 20 22 22 21
mph 13 12 12 12 12 11 11 12 13 14 14 13

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.

Wellington relative humidity averages
Average relative humidity in Wellington
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
78% 80% 81% 82% 84% 86% 86% 84% 80% 78% 78% 78%
Wellington

Other monthly averages

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Wellington weather stats

Wellington weather statistics
Hottest month: January 20.2°C 68.4°F
Driest month: February 62mm 2.4ins
Sunniest month: February 7.6hrs
Coldest month: July 10.9°C 51.6°F
Wettest month: July 144mm 5.7ins
Warmest sea: February 17.8°C 64°F
Map showing location of Wellington (-41.28664, 174.77557)

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