Watertown (WI) monthly weather averages

Contents

Average daytime temperature

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

Watertown average temperature chart (Celsius) Watertown average temperature chart (Fahrenheit)
Average monthly temperatures in Watertown (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C -4.2 -1.6 5.1 13.4 20.4 25.9 28.4 26.7 22.2 15.6 6.8 -1.3
°F 24.4 29 41.2 56.2 68.7 78.6 83.1 80.1 71.9 60.1 44.2 29.7

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.

Watertown monthly rainfall chart (mm) Watertown monthly rainfall chart (inches)
Average monthly rainfall in Watertown (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 31 28 56 77 73 99 105 103 97 63 56 43
inches 1.2 1.1 2.2 3 2.9 3.9 4.1 4.1 3.8 2.5 2.2 1.7
Rainy days 11 8 11 12 11 10 10 10 10 9 10 11

Average annual rainfall in Watertown: 784.9mm (309 inches)

Average daily sunshine

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

Watertown average daily sunshine chart
Average daily sunshine Watertown
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 5.2 6 6.6 7.6 9.4 10.7 10.8 9.5 7.7 6.1 4.1 4

Day / night temperatures

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

Watertown average minimum / maximum temperatures (Celsius) Watertown average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Watertown (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -14 -11.8 -4.8 2.1 7.9 13.2 16.1 14.6 10.2 4.3 -2.2 -10.2
Max °C -4 -1.4 5.4 13.7 20.7 26.2 28.7 27 22.5 15.9 7 -1.1
Min °F 6.8 10.8 23.5 35.8 46.2 55.8 61 58.3 50.3 39.7 28 13.7
Max °F 15.8 20.1 32.5 46.2 57.7 67.5 72.3 69.4 61.3 50.2 36.3 21.9

Sea temperature

The graph below shows the average sea temperature.

Watertown average sea temperature chart (Celsius) Watertown average sea temperature chart (Fahrenheit)
Average sea temperature around Watertown in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 4 3.3 3.1 3.7 5.6 10.7 17.4 20.8 18.8 13.3 8.6 5.5
°F 39.1 37.9 37.5 38.7 42.1 51.2 63.3 69.4 65.8 55.9 47.6 41.9

Wind speed

The graph below shows the average wind speed.

Watertown average winspeed by month (km/h) Watertown average winspeed by month (mph)
Average wind speed in Watertown (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 19 18 19 19 17 16 14 14 15 17 18 18
mph 12 11 12 12 11 10 9 9 9 11 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.

Watertown relative humidity averages
Average relative humidity in Watertown
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
74% 73% 71% 67% 67% 69% 71% 74% 76% 73% 76% 78%

Other monthly averages

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

Watertown weather stats

Watertown weather statistics
Hottest month: July 28.4°C 83.1°F
Driest month: February 28mm 1.1ins
Sunniest month: July 10.8hrs
Coldest month: January -4.2°C 24.4°F
Wettest month: July 105mm 4.1ins
Warmest sea: August 20.8°C 69.4°F
Map showing location of Watertown (43.19472, -88.72899) Watertown map pin © Google

Locations nearby

Top United States locations