Chatham monthly weather averages

Contents

Average daytime temperature

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

Chatham average temperature chart (Celsius) Chatham average temperature chart (Fahrenheit)
Average monthly temperatures in Chatham (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 6.6 6.9 9.6 12.2 16.1 19.5 21.5 21.3 18.8 15 10.1 7.6
°F 43.9 44.4 49.2 54 61 67.1 70.8 70.4 65.9 59 50.2 45.6

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.

Chatham monthly rainfall chart (mm) Chatham monthly rainfall chart (inches)
Average monthly rainfall in Chatham (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 56 37 47 47 46 49 47 47 58 57 62 58
inches 2.2 1.4 1.9 1.8 1.8 1.9 1.8 1.8 2.3 2.2 2.4 2.3
Rainy days 18 14 15 14 13 11 11 12 12 13 16 16

Average annual rainfall in Chatham: 661.8mm (260.6 inches)

Average daily sunshine

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

Chatham average daily sunshine chart
Average daily sunshine Chatham
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 1.8 2.7 3.9 5.1 6.7 7.2 6.6 6.6 5.3 4 2.5 1.7

Day / night temperatures

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

Chatham average minimum / maximum temperatures (Celsius) Chatham average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Chatham (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 1.5 1.4 2.7 4.4 7.3 10.3 12.5 12.3 10.4 7.8 4.2 2.3
Max °C 6.8 7.1 9.8 12.4 16.4 19.7 21.8 21.6 19.1 15.2 10.3 7.7
Min °F 34.6 34.4 36.8 39.9 45.1 50.5 54.4 54.1 50.6 46 39.5 36.1
Max °F 39.4 39.6 43.2 47.1 53.2 59 62.8 62.4 58.5 52.7 45 41

Sea temperature

The graph below shows the average sea temperature.

Chatham average sea temperature chart (Celsius) Chatham average sea temperature chart (Fahrenheit)
Average sea temperature around Chatham in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 8.7 7.7 7.8 9.1 11 13.2 15.5 17.1 17.2 15.7 13.1 10.5
°F 47.6 45.9 46 48.3 51.7 55.8 59.8 62.8 63 60.3 55.6 50.9

Wind speed

The graph below shows the average wind speed.

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

Chatham relative humidity averages
Average relative humidity in Chatham
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
90% 87% 83% 81% 80% 79% 79% 80% 85% 88% 90% 91%

Other monthly averages

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Beta

Current (hourly) weather 15 day forecast

Chatham weather stats

Chatham weather statistics
Hottest month: July 21.5°C 70.7°F
Driest month: February 37mm 1.5ins
Sunniest month: August 6.6hrs
Coldest month: January 6.6°C 43.9°F
Wettest month: November 62mm 2.4ins
Warmest sea: September 17.2°C 63°F
Map showing location of Chatham (51.37891, 0.52786) Chatham map pin © Google

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