Williamstown (KY) monthly weather averages

Contents

Average daytime temperature

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

Williamstown average temperature chart (Celsius) Williamstown average temperature chart (Fahrenheit)
Average monthly temperatures in Williamstown (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 3.3 5.7 12 18 23.2 27.6 29.5 28.8 25.5 19.3 12.6 6.2
°F 38 42.3 53.6 64.3 73.7 81.6 85.1 83.8 77.9 66.7 54.7 43.2

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.

Williamstown monthly rainfall chart (mm) Williamstown monthly rainfall chart (inches)
Average monthly rainfall in Williamstown (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 78 75 111 102 110 99 110 91 82 70 91 85
inches 3.1 3 4.4 4 4.3 3.9 4.3 3.6 3.2 2.8 3.6 3.4
Rainy days 11 11 13 12 12 10 11 9 8 8 11 12

Average annual rainfall in Williamstown: 1060.2mm (417.4 inches)

Average daily sunshine

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

Williamstown average daily sunshine chart
Average daily sunshine Williamstown
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 4.3 4.9 5.8 7.3 8.4 9.3 9.2 8.8 7.9 6.6 4.3 3.6

Day / night temperatures

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

Williamstown average minimum / maximum temperatures (Celsius) Williamstown average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Williamstown (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -6.6 -5 0.7 6 11.2 16 18.3 17.4 13.8 7.2 2.2 -3.5
Max °C 3.6 6 12.3 18.3 23.5 27.9 29.8 29.1 25.8 19.6 12.9 6.5
Min °F 20.2 23 33.3 42.7 52.1 60.7 64.9 63.2 56.8 45 35.9 25.8
Max °F 29.3 32.9 43.7 53.8 63.1 71.4 75.2 73.8 67.6 56.1 45.5 34.7

Sea temperature

The graph below shows the average sea temperature.

Williamstown average sea temperature chart (Celsius) Williamstown average sea temperature chart (Fahrenheit)
Average sea temperature around Williamstown in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 8.2 7.3 7.5 9.3 13.1 18.5 23.3 24.7 22.7 18.1 13.6 10.1
°F 46.7 45.2 45.5 48.7 55.5 65.3 74 76.4 72.9 64.6 56.4 50.2

Wind speed

The graph below shows the average wind speed.

Williamstown average winspeed by month (km/h) Williamstown average winspeed by month (mph)
Average wind speed in Williamstown (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 17 17 18 17 14 13 12 11 12 13 16 17
mph 11 11 11 11 9 8 7 7 7 8 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.

Williamstown relative humidity averages
Average relative humidity in Williamstown
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
72% 70% 66% 63% 67% 69% 72% 73% 73% 69% 71% 74%

Other monthly averages

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Beta

Current (hourly) weather 15 day forecast

Williamstown weather stats

Williamstown weather statistics
Hottest month: July 29.5°C 85.1°F
Driest month: October 70mm 2.8ins
Sunniest month: August 8.8hrs
Coldest month: January 3.3°C 37.9°F
Wettest month: March 111mm 4.4ins
Warmest sea: August 24.7°C 76.5°F
Map showing location of Williamstown (38.63812, -84.5605) Williamstown map pin © Google

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