Dearborn (MI) Sunshine Hours by Month

To truly understand a climate, we must look at its sunshine. This page shows the total number of hours of direct sunlight per month and the average hours per day in Dearborn, Michigan, United States of America. The figures are based on a 30-year period (1990–2020) to provide a reliable average.

Monthly hours of sunshine

Those who love seasonal contrasts will appreciate Dearborn. Expect long, bright days with 319 hours in July and darker periods with just 85 hours in December. The total annual amount of sun is 2451 hours.

Daily hours of sunshine

This means the city 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.

Average percent of sunshine

On average the sun shines 68% of the time during the day in July, the highest percentage of any month. December has the lowest percentage at 31%.

Dearborn enjoys an average of 2451 hours of sunshine annually. Let’s compare this with some popular tourist destinations:

In Barcelona, Spain, there are 2530 hours of sunshine annually and is a city that can be visited year-round.

In contrast, Brussels, Belgium, receives only about 1590 hours of sunshine per year, known for its frequently overcast and rainy skies.

Oslo, Norway, receives approximately 1690 hours of sunshine annually.

Adelaide, Australia, enjoys 2770 hours of sunshine annually, with long, sunny summers.

June, Dearborn’s wettest month, receives 96 mm (3.8 in) of rainfall and has a maximum daytime temperature of 27°C (81°F). During the driest month January you can expect a temperature of 1°C (34°F).

For more detailed insights into the city’s temperatures, check out our Temperature page. To explore more about precipitation patterns, visit our Dearborn Precipitation page.