Sandusky (MI) monthly weather averages

Average daytime temperature

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

Sandusky average temperature chart (Celsius) Sandusky average temperature chart (Fahrenheit)
Average monthly temperatures in Sandusky (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C -2.3 -1.5 4.1 11.1 17.7 23.1 25.8 24.9 20.9 14.5 7.3 0.6
°F 27.9 29.3 39.4 51.9 63.8 73.6 78.4 76.7 69.6 58.2 45.1 33.1

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.

Sandusky monthly rainfall chart (mm) Sandusky monthly rainfall chart (inches)
Average monthly rainfall in Sandusky (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 56 48 58 74 67 78 72 75 76 64 72 69
inches 2.2 1.9 2.3 2.9 2.6 3.1 2.9 3 3 2.5 2.8 2.7
Rainy days 13 11 11 11 10 10 9 9 10 11 12 14

Average annual rainfall in Sandusky: 768.667mm (302.6 inches)

Average daily sunshine

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

Sandusky average daily sunshine chart
Average daily sunshine Sandusky
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 3.3 4.4 5.2 7 8.7 9.8 10.2 8.6 6.7 5.3 3.1 2.4

Day / night temperatures

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

Sandusky average minimum / maximum temperatures (Celsius) Sandusky average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Sandusky (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -9.5 -9.3 -4.1 1.5 6.9 12.2 15.4 14.7 11.1 5.5 0.4 -5.8
Max °C -2.1 -1.3 4.3 11.3 18 23.4 26.1 25.1 21.1 14.8 7.5 0.8
Min °F 14.9 15.3 24.6 34.7 44.3 54 59.6 58.5 52 41.8 32.6 21.7
Max °F 21.6 22.5 32.2 43.5 54.3 64 69.3 67.8 61 50.2 39 27.5

Sea temperature

The graph below shows the average sea temperature.

Sandusky average sea temperature chart (Celsius) Sandusky average sea temperature chart (Fahrenheit)
Average sea temperature around Sandusky in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 2.6 1.7 1.7 3.3 7.2 13.3 19.5 21.7 19.4 14 8.8 4.8
°F 36.7 35.1 35 37.9 45 56 67.2 71.1 66.9 57.2 47.8 40.6

Wind speed

The graph below shows the average wind speed.

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

Sandusky relative humidity averages
Average relative humidity in Sandusky
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
78% 76% 74% 69% 67% 70% 71% 75% 77% 76% 79% 80%