Montello (WI) monthly weather averages

Average daytime temperature

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

Montello average temperature chart (Celsius) Montello average temperature chart (Fahrenheit)
Average monthly temperatures in Montello (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C -4.6 -1.8 4.7 13.4 20.3 25.5 28 26.2 21.4 15.2 6.2 -1.9
°F 23.7 28.8 40.4 56 68.6 77.9 82.4 79.2 70.6 59.4 43.1 28.6

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.

Montello monthly rainfall chart (mm) Montello monthly rainfall chart (inches)
Average monthly rainfall in Montello (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 26 26 52 74 81 94 95 100 99 60 53 35
inches 1 1 2.1 2.9 3.2 3.7 3.7 3.9 3.9 2.4 2.1 1.4
Rainy days 10 8 11 11 11 10 10 10 10 9 10 10

Average annual rainfall in Montello: 750mm (295.3 inches)

Average daily sunshine

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

Montello average daily sunshine chart
Average daily sunshine Montello
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 5.3 6.3 6.8 7.7 9.5 10.6 10.8 9.6 7.6 6.1 4.2 4.1

Day / night temperatures

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

Montello average minimum / maximum temperatures (Celsius) Montello average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Montello (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -15.3 -13.1 -6 1.2 7.2 12.4 15.1 13.7 9.1 3.3 -3.4 -11.4
Max °C -4.4 -1.5 5 13.7 20.7 25.8 28.3 26.6 21.8 15.5 6.4 -1.7
Min °F 4.6 8.4 21.3 34.1 44.9 54.3 59.2 56.6 48.3 37.9 25.9 11.6
Max °F 14.4 18.9 31.1 45.3 57 66.4 71.1 68.2 59.7 48.9 34.7 20.3

Sea temperature

The graph below shows the average sea temperature.

Montello average sea temperature chart (Celsius) Montello average sea temperature chart (Fahrenheit)
Average sea temperature around Montello in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 5.2 4.7 4.6 5.3 6.8 9.8 14.7 19.1 17.4 12.4 8.8 6.5
°F 41.3 40.4 40.4 41.5 44.2 49.6 58.5 66.4 63.3 54.3 47.8 43.6

Wind speed

The graph below shows the average wind speed.

Montello average winspeed by month (km/h) Montello average winspeed by month (mph)
Average wind speed in Montello (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 17 17 18 19 17 16 14 13 14 17 18 17
mph 11 11 11 12 10 10 9 8 9 10 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.

Montello relative humidity averages
Average relative humidity in Montello
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
74% 73% 71% 66% 66% 69% 71% 75% 77% 73% 77% 78%

Other monthly averages

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Montello weather stats

Montello weather statistics
Hottest month: July 28°C 82.4°F
Driest month: January 26mm 1ins
Sunniest month: July 10.8hrs
Coldest month: January -4.6°C 23.7°F
Wettest month: August 100mm 3.9ins
Warmest sea: August 19.1°C 66.4°F
Map showing location of Montello (43.79137, -89.31984) Montello map pin © Google

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