Merrill (WI) monthly weather averages

Average daytime temperature

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

Merrill average temperature chart (Celsius) Merrill average temperature chart (Fahrenheit)
Average monthly temperatures in Merrill (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C -6.9 -3.6 2.6 11.3 18.7 23.4 26.2 24.4 19.1 12.5 3.4 -4.6
°F 19.6 25.4 36.7 52.4 65.7 74.1 79.2 75.8 66.4 54.6 38.2 23.8

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.

Merrill monthly rainfall chart (mm) Merrill monthly rainfall chart (inches)
Average monthly rainfall in Merrill (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 25 23 46 67 88 102 100 104 105 63 50 33
inches 1 0.9 1.8 2.6 3.5 4 3.9 4.1 4.1 2.5 2 1.3
Rainy days 11 9 11 11 11 12 10 11 12 10 11 12

Average annual rainfall in Merrill: 761.6mm (299.8 inches)

Average daily sunshine

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

Merrill average daily sunshine chart
Average daily sunshine Merrill
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 5.1 6.3 6.9 8.1 9.6 10.3 10.8 9.5 7.2 5.7 3.9 4

Day / night temperatures

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

Merrill average minimum / maximum temperatures (Celsius) Merrill average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Merrill (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -17.8 -15.9 -8.5 -0.4 5.8 10.9 13.9 12.4 7.6 1.8 -5.1 -13.7
Max °C -6.6 -3.4 2.9 11.6 19.1 23.7 26.6 24.7 19.4 12.8 3.7 -4.4
Min °F -0 3.5 16.7 31.3 42.4 51.6 56.9 54.2 45.7 35.2 22.9 7.4
Max °F 10 14.7 27 42.1 54.3 63.1 68.4 65.3 56.3 45.1 30.7 15.8

Sea temperature

The graph below shows the average sea temperature.

Merrill average sea temperature chart (Celsius) Merrill average sea temperature chart (Fahrenheit)
Average sea temperature around Merrill in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 3 2.6 2.3 2.5 3.4 5.6 10.8 16.4 14.7 9.4 6.1 4.2
°F 37.5 36.6 36.2 36.5 38.1 42.1 51.4 61.5 58.5 49 43.1 39.5

Wind speed

The graph below shows the average wind speed.

Merrill average winspeed by month (km/h) Merrill average winspeed by month (mph)
Average wind speed in Merrill (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 17 16 17 18 16 15 13 13 14 16 17 16
mph 10 10 11 11 10 9 8 8 9 10 10 10

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.

Merrill relative humidity averages
Average relative humidity in Merrill
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
73% 72% 71% 65% 65% 70% 72% 76% 78% 73% 76% 77%