Marlborough monthly weather averages

Average daytime temperature

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

Marlborough average temperature chart (Celsius) Marlborough average temperature chart (Fahrenheit)
Average monthly temperatures in Marlborough (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 6 6.2 8.9 11.7 15.3 18.7 20.6 20.2 17.6 13.8 9.1 7
°F 42.7 43.2 48 53 59.6 65.6 69.1 68.3 63.7 56.9 48.5 44.6

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.

Marlborough monthly rainfall chart (mm) Marlborough monthly rainfall chart (inches)
Average monthly rainfall in Marlborough (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 74 53 65 49 58 57 46 61 63 67 70 81
inches 2.9 2.1 2.6 1.9 2.3 2.3 1.8 2.4 2.5 2.6 2.8 3.2
Rainy days 17 16 18 15 15 14 15 16 18 20 20 21

Average annual rainfall in Marlborough: 795.167mm (313.1 inches)

Average daily sunshine

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

Marlborough average daily sunshine chart
Average daily sunshine Marlborough
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 1.8 2.6 3.8 5.3 6.6 7 6.8 6.4 5.1 3.5 2.5 1.8

Day / night temperatures

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

Marlborough average minimum / maximum temperatures (Celsius) Marlborough average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Marlborough (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 0.5 0.3 1.6 3.1 5.9 8.9 10.8 10.6 8.8 6.4 2.7 1.3
Max °C 6.1 6.4 9.1 11.9 15.6 18.9 20.9 20.4 17.8 14 9.3 7.2
Min °F 32.9 32.5 34.8 37.6 42.5 48 51.4 51.1 47.8 43.5 36.9 34.3
Max °F 37.9 37.9 41.5 45.5 51.3 57 60.4 59.9 55.9 50.4 42.8 39.6

Sea temperature

The graph below shows the average sea temperature.

Marlborough average sea temperature chart (Celsius) Marlborough average sea temperature chart (Fahrenheit)
Average sea temperature around Marlborough in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 9.6 8.7 8.7 9.5 11.1 13.2 15.3 16.6 16.5 15.3 13.4 11.3
°F 49.4 47.6 47.6 49.2 52.1 55.8 59.6 61.9 61.7 59.5 56.1 52.4

Wind speed

The graph below shows the average wind speed.

Marlborough average winspeed by month (km/h) Marlborough average winspeed by month (mph)
Average wind speed in Marlborough (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 18 18 18 17 16 14 14 14 14 15 17 18
mph 11 11 11 11 10 9 9 9 9 9 10 11

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.

Marlborough relative humidity averages
Average relative humidity in Marlborough
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
92% 89% 84% 81% 80% 79% 79% 81% 85% 88% 91% 93%

Other monthly averages

UV index Best time to go?

Marlborough weather stats

Marlborough weather statistics
Hottest month: July 20.6°C 69.1°F
Driest month: July 46mm 1.8ins
Sunniest month: August 6.4hrs
Coldest month: January 6°C 42.8°F
Wettest month: December 81mm 3.2ins
Warmest sea: August 16.6°C 61.9°F
Map showing location of Marlborough (51.42062, -1.72751) Marlborough map pin © Google

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