Tomorrow in Ann Arbor looks
sunny, with a high of 50°
and an overnight low of 33°.
Rain is unlikely (10% chance).
Winds top out near 7 mph,
and the UV index reaches 2 (low).
Average conditions span from January lows near 19°F (-7°C) to July highs around 82°F (28°C). That 35°C (62°F) spread makes the time of year especially important.
Seasonal change
July highs reach 82°F (28°C), while January lows fall to 19°F (-7°C).
Typical day and night
Ann Arbor averages 58°F (15°C) by day and 42°F (6°C) at night across the year.
Rain and sunshine
About 932 mm (36.7 inches) falls across 130 wet days, with 8.2 hours of sunshine on an average day.
July, at 3.6 inches (91 mm) over about 12 days. November is the driest month, at 2.3 inches (58 mm).
When is Ann Arbor at its coldest?
January, with highs of 32°F (0°C) and lows near 19°F (-7°C). The coldest day in the 2015-2024 record fell to -25°F (-32°C).
When is Ann Arbor at its hottest?
July, averaging 82°F (28°C) by day and 64°F (18°C) overnight. The hottest single day in our 2015-2024 record for this location reached 94°F (34°C).
What is the best month to go to Ann Arbor?
June to October is the sweet spot for Ann Arbor - these are the warmest and brightest weeks of the year. Expect 75°F (24°C) in the afternoon and around 11 days of rain in a typical month of it. For the same question asked the other way round, see where else is warm in June.
Does it freeze in Ann Arbor?
Average overnight lows sit at or below 0°C in 4 months of the year, December through March.
Does it snow in Ann Arbor?
Yes - about 19 days a year carry measurable snowfall, concentrated November through April.