Ashburton monthly weather averages

Average daytime temperature

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

Ashburton average temperature chart (Celsius) Ashburton average temperature chart (Fahrenheit)
Average monthly temperatures in Ashburton (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 23.3 22.6 20.6 17.4 13.5 10.9 10.4 12 14.7 17.6 19.4 21.5
°F 73.9 72.6 69.1 63.3 56.3 51.5 50.7 53.6 58.4 63.6 67 70.7

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.

Ashburton monthly rainfall chart (mm) Ashburton monthly rainfall chart (inches)
Average monthly rainfall in Ashburton (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 58 54 62 64 61 50 62 65 42 56 57 55
inches 2.3 2.1 2.4 2.5 2.4 2 2.5 2.6 1.7 2.2 2.2 2.2
Rainy days 9 9 10 9 10 9 11 12 9 10 9 10

Average annual rainfall in Ashburton: 814.633mm (320.7 inches)

Average daily sunshine

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

Ashburton average daily sunshine chart
Average daily sunshine Ashburton
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 7 6.6 5.3 5.6 4.6 4.6 4.4 5.1 5.4 6.3 6.6 6.9

Day / night temperatures

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

Ashburton average minimum / maximum temperatures (Celsius) Ashburton average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Ashburton (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 11.1 10.8 9.5 6.4 3.5 0.9 0.6 1.8 3.7 6 7.9 9.8
Max °C 23.6 22.9 20.9 17.7 13.8 11.1 10.6 12.3 15 17.9 19.7 21.8
Min °F 51.9 51.4 49.1 43.4 38.2 33.6 33.1 35.2 38.6 42.7 46.2 49.6
Max °F 63.1 62.2 59.4 53.6 47.5 42.8 42.1 44.6 48.7 53.4 56.8 60.4

Sea temperature

The graph below shows the average sea temperature.

Ashburton average sea temperature chart (Celsius) Ashburton average sea temperature chart (Fahrenheit)
Average sea temperature around Ashburton in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 15.6 16.2 15.4 14.1 12.8 11.6 10.9 10.5 10.7 11.4 12.7 14.2
°F 60.1 61.2 59.7 57.4 55 53 51.7 50.9 51.3 52.5 54.8 57.6

Wind speed

The graph below shows the average wind speed.

Ashburton average winspeed by month (km/h) Ashburton average winspeed by month (mph)
Average wind speed in Ashburton (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 13 12 11 10 10 9 9 10 12 13 13 13
mph 8 7 7 7 6 6 6 7 7 8 8 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.

Ashburton relative humidity averages
Average relative humidity in Ashburton
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
70% 77% 76% 78% 79% 80% 80% 78% 73% 69% 71% 70%

Other monthly averages

UV index Best time to go?

Ashburton weather stats

Ashburton weather statistics
Hottest month: January 23.3°C 73.9°F
Driest month: September 42mm 1.7ins
Sunniest month: April 5.6hrs
Coldest month: July 10.4°C 50.7°F
Wettest month: August 65mm 2.6ins
Warmest sea: February 16.2°C 61.2°F
Map showing location of Ashburton (-43.89834, 171.73011) Ashburton map pin © Google

Top New Zealand locations