Ionia (MI) monthly weather averages

Contents

Average daytime temperature

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

Ionia average temperature chart (Celsius) Ionia average temperature chart (Fahrenheit)
Average monthly temperatures in Ionia (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C -2 -0.3 5.9 13.6 20.6 25.8 28.1 26.8 22.3 15.5 7.8 0.8
°F 28.5 31.4 42.6 56.5 69.1 78.4 82.6 80.3 72.1 59.9 46.1 33.4

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.

Ionia monthly rainfall chart (mm) Ionia monthly rainfall chart (inches)
Average monthly rainfall in Ionia (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 46 37 61 81 76 89 77 87 91 67 72 60
inches 1.8 1.5 2.4 3.2 3 3.5 3 3.4 3.6 2.6 2.8 2.4
Rainy days 15 12 13 13 10 10 9 9 10 11 13 16

Average annual rainfall in Ionia: 801.634mm (315.6 inches)

Average daily sunshine

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

Ionia average daily sunshine chart
Average daily sunshine Ionia
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 3.7 5 6.2 7.7 9.3 10.5 10.7 9.4 7.6 5.6 3.2 2.6

Day / night temperatures

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

Ionia average minimum / maximum temperatures (Celsius) Ionia average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Ionia (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -10.3 -9.7 -4.2 1.7 7.5 12.7 15.4 14.3 10 4 -0.9 -6.8
Max °C -1.8 -0.1 6.2 13.9 21 26.1 28.5 27.2 22.6 15.8 8.1 1
Min °F 13.6 14.5 24.5 35.1 45.4 54.9 59.6 57.7 50 39.2 30.5 19.9
Max °F 21.2 23.2 33.8 46 57.6 66.9 71.4 69.3 61.3 49.8 38.5 26.8

Sea temperature

The graph below shows the average sea temperature.

Ionia average sea temperature chart (Celsius) Ionia average sea temperature chart (Fahrenheit)
Average sea temperature around Ionia in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 3.7 2.9 2.7 3.8 6.3 12.3 19.2 21.7 19.5 13.9 8.8 5.3
°F 38.6 37.2 36.9 38.8 43.4 54.1 66.6 71.1 67.1 57.1 47.9 41.6

Wind speed

The graph below shows the average wind speed.

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

Ionia relative humidity averages
Average relative humidity in Ionia
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
78% 75% 72% 67% 66% 68% 70% 74% 77% 75% 78% 81%

Other monthly averages

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Beta

Current (hourly) weather 15 day forecast

Ionia weather stats

Ionia weather statistics
Hottest month: July 28.1°C 82.6°F
Driest month: February 37mm 1.5ins
Sunniest month: July 10.7hrs
Coldest month: January -2°C 28.4°F
Wettest month: September 91mm 3.6ins
Warmest sea: August 21.7°C 71.1°F
Map showing location of Ionia (42.98725, -85.07112) Ionia map pin © Google

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