ClimateForecastNovemberDecember >>

Ann Arbor (MI) Climate by Month

The climate in Ann Arbor is marked by big temperature swings throughout the year. Temperatures range from warm during the warmest months to very cold in the cooler months. It receives a reasonable amount of rain/snowfall. Now, let’s explore all the climate details to give you a full picture.

Average day and night temperature

In Ann Arbor, temperatures differ significantly between summer and winter months. Average daytime temperatures reach a comfortable 29°C in July. In February, the coolest month of the year, temperatures drop to a very cold -0°C. At night, expect cooler temperatures, averaging -9°C during this month.

The mean minimum and maximum temperatures throughout the year

Precipitation and rainy days

On average, Ann Arbor receives a reasonable amount of rain/snowfall, with an annual precipitation of 938 mm. Ann Arbor experiences moderate seasonal variation in rainfall, with monthly averages ranging from 110 mm in June, the wettest month, and 63 mm in November, the driest month.

The mean monthly precipitation over the year, including rain, hail and snow

Sunshine over the year

Ann Arbor can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 10.6 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 2.8 hours of sunlight per day.

Monthly hours of sunshine

Data from: Detroit, the United States of America (56 KM, 34 Miles).

Daily hours of sunshine

Data from: Detroit, the United States of America (56 KM, 34 Miles).

The best time of year to visit Ann Arbor in the United States of America

During the months of May and September you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:
  • When is winter in Ann Arbor?
    The coldest season / winter is in the following months: January, February and December.
  • Which is the warmest month in Ann Arbor?
    July has an average maximum temperature of 29°C and is the warmest month of the year.
  • Which is the coldest month in Ann Arbor?
    The coldest month is February with an average maximum temperature of -0°C.
  • Which is the wettest month in Ann Arbor?
    June tops the wettest month list with 110 mm of rainfall.
  • Which is the driest month in Ann Arbor?
    November is the driest month with 63 mm of precipitation.
  • Which is the sunniest month in Ann Arbor?
    July is the sunniest month with an average of 319 hours of sunshine.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.

    Forecast for Ann Arbor (MI)

    Sat   Nov 23
    8°C | 4°C
    NW 22 km/h
    overcast and no rain

    overcast and no rain

    Sun   Nov 24
    8°C | 1°C
    SW 11 km/h
    broken clouds and no rain

    broken clouds and no rain

    Mon   Nov 25
    11°C | 3°C
    W 11 km/h
    1.8 mm
    overcast and rain

    overcast and rain