Northam monthly weather averages

Contents

Average daytime temperature

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

Northam average temperature chart (Celsius) Northam average temperature chart (Fahrenheit)
Average monthly temperatures in Northam (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 7.9 7.7 9.2 11.3 14.2 16.8 18.7 18.7 17.1 14.4 10.8 8.9
°F 46.3 45.8 48.6 52.3 57.5 62.3 65.6 65.7 62.8 57.9 51.5 48.1

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.

Northam monthly rainfall chart (mm) Northam monthly rainfall chart (inches)
Average monthly rainfall in Northam (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 119 81 83 63 61 66 66 81 95 113 124 125
inches 4.7 3.2 3.3 2.5 2.4 2.6 2.6 3.2 3.7 4.5 4.9 4.9
Rainy days 21 16 18 14 15 14 13 15 16 19 20 21

Average annual rainfall in Northam: 1123.933mm (442.5 inches)

Average daily sunshine

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

Northam average daily sunshine chart
Average daily sunshine Northam
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 1.9 3 4.2 6.4 7.3 7.5 7.3 6.6 5.4 3.6 2.6 1.8

Day / night temperatures

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

Northam average minimum / maximum temperatures (Celsius) Northam average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Northam (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 3.6 3.2 4.3 5.6 8.3 11.1 13 13.2 11.8 9.5 6.3 4.8
Max °C 8.1 7.8 9.4 11.4 14.3 17 18.8 18.9 17.3 14.5 11 9.1
Min °F 38.4 37.8 39.7 42.1 46.9 51.9 55.4 55.7 53.2 49.1 43.3 40.6
Max °F 42.4 41.9 44.2 47.3 52.3 57.2 60.6 60.8 58.1 53.6 47.5 44.4

Sea temperature

The graph below shows the average sea temperature.

Northam average sea temperature chart (Celsius) Northam average sea temperature chart (Fahrenheit)
Average sea temperature around Northam in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 9.7 8.8 8.6 9.4 11.1 13.3 15.3 16.2 15.9 14.6 12.8 11.2
°F 49.5 47.9 47.5 48.9 51.9 55.9 59.5 61.2 60.6 58.3 55.1 52.1

Wind speed

The graph below shows the average wind speed.

Northam average winspeed by month (km/h) Northam average winspeed by month (mph)
Average wind speed in Northam (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 22 21 21 18 18 16 16 16 18 19 21 22
mph 14 13 13 11 11 10 10 10 11 12 13 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.

Northam relative humidity averages
Average relative humidity in Northam
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
91% 88% 86% 84% 83% 84% 84% 85% 85% 88% 88% 91%

Other monthly averages

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Beta

Current (hourly) weather 15 day forecast

Northam weather stats

Northam weather statistics
Hottest month: August 18.7°C 65.7°F
Driest month: May 61mm 2.4ins
Sunniest month: May 7.3hrs
Coldest month: February 7.7°C 45.9°F
Wettest month: December 125mm 4.9ins
Warmest sea: August 16.2°C 61.2°F
Map showing location of Northam (51.03333, -4.21667) Northam map pin © Google

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