Greymouth monthly weather averages

Contents

Average daytime temperature

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

Greymouth average temperature chart (Celsius) Greymouth average temperature chart (Fahrenheit)
Average monthly temperatures in Greymouth (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 19.6 19.9 18.8 16.1 13.1 11 10.6 11.8 13.3 14.7 16.4 18.3
°F 67.4 67.9 65.8 61 55.6 51.7 51 53.3 55.9 58.5 61.4 64.9

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.

Greymouth monthly rainfall chart (mm) Greymouth monthly rainfall chart (inches)
Average monthly rainfall in Greymouth (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 263 183 240 271 291 259 251 248 302 311 311 273
inches 10.4 7.2 9.4 10.7 11.5 10.2 9.9 9.8 11.9 12.2 12.3 10.7
Rainy days 17 14 17 18 19 17 17 18 21 21 19 20

Average annual rainfall in Greymouth: 3332.233mm (1311.9 inches)

Average daily sunshine

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

Greymouth average daily sunshine chart
Average daily sunshine Greymouth
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 6.7 6.5 5.3 4.7 3.8 3.5 3.8 4.4 4.8 5.1 5.8 6.3

Day / night temperatures

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

Greymouth average minimum / maximum temperatures (Celsius) Greymouth average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Greymouth (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 11.2 11.3 10.4 7.9 5.3 3.3 2.5 3.6 5.3 6.9 8.5 10.2
Max °C 19.9 20.2 19 16.3 13.3 11.2 10.8 12.1 13.5 14.9 16.6 18.5
Min °F 52.1 52.3 50.7 46.2 41.5 37.9 36.4 38.4 41.5 44.4 47.2 50.3
Max °F 59.9 60.3 58.5 53.8 48.7 45 43.9 46 48.9 51.6 54.5 57.7

Sea temperature

The graph below shows the average sea temperature.

Greymouth average sea temperature chart (Celsius) Greymouth average sea temperature chart (Fahrenheit)
Average sea temperature around Greymouth in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 17.5 18.2 17.5 16.4 15.2 14.1 13.4 12.9 12.9 13.5 14.6 16.1
°F 63.5 64.8 63.5 61.5 59.4 57.5 56.1 55.1 55.3 56.2 58.3 61

Wind speed

The graph below shows the average wind speed.

Greymouth average winspeed by month (km/h) Greymouth average winspeed by month (mph)
Average wind speed in Greymouth (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 12 10 10 9 9 9 9 10 11 12 12 12
mph 7 6 6 6 6 5 5 6 7 8 8 7

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.

Greymouth relative humidity averages
Average relative humidity in Greymouth
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
83% 85% 85% 87% 88% 87% 87% 84% 84% 81% 82% 83%

Other monthly averages

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Beta

Current (hourly) weather 15 day forecast

Greymouth weather stats

Greymouth weather statistics
Hottest month: February 19.9°C 67.8°F
Driest month: February 183mm 7.2ins
Sunniest month: February 6.5hrs
Coldest month: July 10.6°C 51.1°F
Wettest month: November 311mm 12.2ins
Warmest sea: February 18.2°C 64.8°F
Map showing location of Greymouth (-42.46667, 171.2) Greymouth map pin © Google

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