Dearborn (MI) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Dearborn.
Climate overview of Dearborn
Temperatures in Dearborn, Michigan, United States of America, vary greatly throughout the year. July is the hottest month at 29°C (84°F), while January is the coldest at 1°C (34°F).
With around 936 mm (37 in) of annual rain/snowfall, the city has moderate precipitation levels. June is the wettest month and January the driest. It also has warm summers and very cold winters. July is the sunniest month, averaging 10.6 hours of sunshine per day.
Dearborn Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Dearborn - and find the best time to visit.
Monthly Temperature in Dearborn
The climate in Dearborn is known for significant temperature differences throughout the year, making the weather dynamic. Typically, average maximum daytime temperatures range from a comfortable 29°C (84°F) in July to a very cold 1°C (34°F) in the coolest month, January.
Nights vary from 18°C (64°F) in July to around -8°C (18°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Dearborn
Generally, Dearborn receives mid-range precipitation levels, with 936 mm (37 in) annually. Dearborn offers a pleasant mix of wetter and slightly drier months. The difference in precipitation between the wettest month June (100 mm (3.9 in)) and the driest month January (58 mm (2.3 in)) is not too significant. For more details, please visit our Dearborn Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Dearborn
For those who appreciate different seasons, Dearborn serves as an ideal destination. Expect longer, more sun-filled days in July with an average of 10.6 hours of sunshine daily, and embrace the darker days in December, offering only 2.8 hours of daily sunlight.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Humidity in Dearborn by Month
The relative humidity is high throughout the year in Dearborn.
The city experiences its highest humidity in January, reaching 74%. In May, the humidity drops to its lowest level at 65%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Dearborn
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: May, July, August and September
- Warmest weather: July and August
- Most sunshine: July
- Seasonal pattern: Warm summers and very cold winters
- Coldest conditions: January, with freezing nights around -8°C (18°F).
Frequently asked questions about the climate in Dearborn
What is the best time to visit Dearborn?
May, July, August and September typically offer the most optimal weather in Dearborn. In contrast, January, February, March, November and December tend to have less optimal conditions. Dearborn has warm summers and very cold winters.
What temperatures can I expect in Dearborn?
Daytime highs range from 1°C (34°F) in January to 29°C (84°F) in July. Nighttime lows range from -8°C (18°F) to 18°C (64°F). Temperatures vary considerably through the year.
How much rain does Dearborn get?
Annual rainfall is around 936 mm (37 in). June is the wettest month with 100 mm (3.9 in), while January is the driest with 58 mm (2.3 in).
How sunny is Dearborn?
Dearborn receives around 2,451 hours of sunshine per year. July is the sunniest month with 319 hours, while December is the cloudiest with just 85 hours. Overall, Dearborn enjoys abundant sunshine.
Dearborn 3-Day Forecast
Dearborn on the map
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