Ann Arbor (MI) monthly weather averages

Contents

Average daytime temperature

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

Ann Arbor average temperature chart (Celsius) Ann Arbor average temperature chart (Fahrenheit)
Average monthly temperatures in Ann Arbor (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C -1.3 0.5 7 14.5 21.2 26.3 28.4 27 23.2 16.3 8.9 1.4
°F 29.7 32.9 44.6 58 70.2 79.3 83.1 80.6 73.7 61.4 48 34.6

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.

Ann Arbor monthly rainfall chart (mm) Ann Arbor monthly rainfall chart (inches)
Average monthly rainfall in Ann Arbor (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 43 44 64 82 73 87 77 85 76 56 70 69
inches 1.7 1.7 2.5 3.2 2.9 3.4 3 3.3 3 2.2 2.8 2.7
Rainy days 14 11 13 13 11 11 10 9 10 10 12 15

Average annual rainfall in Ann Arbor: 784.2mm (308.7 inches)

Average daily sunshine

The bar chart below shows the average daily sunshine hours in Ann Arbor

Ann Arbor average daily sunshine chart
Average daily sunshine Ann Arbor
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 4.3 5.4 6.4 7.7 9.4 10.6 10.8 9.5 7.9 6.1 3.8 3.2

Day / night temperatures

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

Ann Arbor average minimum / maximum temperatures (Celsius) Ann Arbor average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Ann Arbor (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -9.1 -8.1 -2.9 2.9 8.9 14 16.6 15.5 11.8 5.6 0.5 -5.8
Max °C -1.1 0.7 7.3 14.8 21.6 26.6 28.7 27.3 23.5 16.6 9.1 1.6
Min °F 15.6 17.4 26.9 37.1 47.9 57.2 61.8 59.9 53.2 42.1 32.9 21.6
Max °F 22.8 25.3 36 47.8 59.4 68.5 72.7 70.5 63.7 52 40.6 28.2

Sea temperature

The graph below shows the average sea temperature.

Ann Arbor average sea temperature chart (Celsius) Ann Arbor average sea temperature chart (Fahrenheit)
Average sea temperature around Ann Arbor 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.

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

Ann Arbor relative humidity averages
Average relative humidity in Ann Arbor
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
76% 74% 71% 66% 66% 68% 70% 74% 75% 73% 76% 78%

Other monthly averages

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

Ann Arbor weather stats

Ann Arbor weather statistics
Hottest month: July 28.4°C 83.1°F
Driest month: January 43mm 1.7ins
Sunniest month: July 10.8hrs
Coldest month: January -1.3°C 29.7°F
Wettest month: June 87mm 3.4ins
Warmest sea: August 22.3°C 72.1°F
Map showing location of Ann Arbor (42.27756, -83.74088) Ann Arbor map pin © Google

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