Grosse Ile (MI) monthly weather averages

Average daytime temperature

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

Grosse Ile average temperature chart (Celsius) Grosse Ile average temperature chart (Fahrenheit)
Average monthly temperatures in Grosse Ile (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C -1.4 -0.1 6 13.3 19.9 25.1 27.5 26.4 22.5 15.7 8.4 1.4
°F 29.4 31.8 42.8 55.9 67.9 77.2 81.5 79.5 72.5 60.3 47.1 34.5

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.

Grosse Ile monthly rainfall chart (mm) Grosse Ile monthly rainfall chart (inches)
Average monthly rainfall in Grosse Ile (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 50 49 67 81 71 86 88 83 72 60 71 73
inches 2 1.9 2.6 3.2 2.8 3.4 3.5 3.3 2.9 2.4 2.8 2.9
Rainy days 12 10 13 12 11 11 9 9 10 9 11 14

Average annual rainfall in Grosse Ile: 810.9mm (319.3 inches)

Average daily sunshine

The bar chart below shows the average daily sunshine hours in Grosse Ile

Grosse Ile average daily sunshine chart
Average daily sunshine Grosse Ile
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 3.8 4.7 5.3 6.9 8.8 10 10.2 9.1 7.2 5.9 3.6 2.9

Day / night temperatures

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

Grosse Ile average minimum / maximum temperatures (Celsius) Grosse Ile average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Grosse Ile (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -8.6 -7.7 -2.4 3.1 9 14.4 17.1 16.2 12.5 6.3 1.1 -5.2
Max °C -1.3 0.1 6.2 13.5 20.2 25.4 27.8 26.7 22.8 16 8.6 1.6
Min °F 16.6 18.1 27.7 37.6 48.2 57.9 62.7 61.1 54.4 43.3 33.9 22.7
Max °F 23.2 25.2 35.4 46.9 58.3 67.8 72.3 70.5 63.7 52 40.6 28.8

Sea temperature

The graph below shows the average sea temperature.

Grosse Ile average sea temperature chart (Celsius) Grosse Ile average sea temperature chart (Fahrenheit)
Average sea temperature around Grosse Ile in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 2.6 1.7 1.7 3.6 8 14.4 20.3 22.3 20 14.6 9.2 4.9
°F 36.7 35 35 38.5 46.4 57.9 68.6 72.2 67.9 58.2 48.6 40.9

Wind speed

The graph below shows the average wind speed.

Grosse Ile average winspeed by month (km/h) Grosse Ile average winspeed by month (mph)
Average wind speed in Grosse Ile (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 20 19 20 19 17 15 13 13 14 16 18 19
mph 12 12 12 12 10 9 8 8 9 10 11 12

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.

Grosse Ile relative humidity averages
Average relative humidity in Grosse Ile
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
76% 75% 72% 67% 66% 68% 70% 73% 75% 73% 76% 78%

Other monthly averages

UV index Best time to go?

Grosse Ile weather stats

Grosse Ile weather statistics
Hottest month: July 27.5°C 81.5°F
Driest month: February 49mm 1.9ins
Sunniest month: July 10.2hrs
Coldest month: January -1.4°C 29.5°F
Wettest month: July 88mm 3.5ins
Warmest sea: August 22.3°C 72.1°F
Map showing location of Grosse Ile (42.12921, -83.14437) Grosse Ile map pin © Google

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