Ann Arbor, Michigan Climate
United States
Pop. 117,070 Elev. 271 m / 889 ft
TZ: America/Detroit (UTC-4) ·
Ann Arbor has a dry climate with warm summers reaching 84°F (29°C) in July and cold winters averaging 18°F (-8°C) in January. Humidity pushes the summer feels-like temperature to 90°F (32°C), while wind chill can drive winter lows to 9°F (-13°C). Rain falls on about 45 days per year (31.8 in / 808 mm total), with snow on 8 days and 46 in (1156 mm) of annual accumulation. The city averages 109 sunny days per year and around 34 thunderstorm days. Ocean water temperatures reach 78°F (25°C) in summer.
| Temperature | 84°F (29°C) high | 18°F (-8°C) low |
| Feels like | 90°F (32°C) high | 9°F (-13°C) low |
| Rain | 45 days | 31.8 in (808 mm) /yr |
| Snow | 8 days | 45.5 in (1156 mm) /yr |
| Sky | 109 sunny | 34 stormy |
| Wind | 2.9 mph (1.3 m/s) avg |
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Explore on the MapMonthly Climate Chart
Best months to visit: Apr, Aug, Sep, Oct
Sky & Air by Month
Cloud cover (%)
73
Jan 77
Feb 61
Mar 65
Apr 67
May 55
Jun 55
Jul 45
Aug 35
Sep 42
Oct 59
Nov 78
Dec Humidity (%)
66
Jan 73
Feb 60
Mar 58
Apr 68
May 68
Jun 72
Jul 71
Aug 69
Sep 68
Oct 69
Nov 76
Dec Weather Days by Month
Water Temperatures
Cities with Similar Climate
Find similar cities on the map →Nearby Cities
Nearby
Commercial airport 20 mi Detroit Metropolitan Wayne County Airport (DTW)
Ski resort 18 mi Mt Brighton
National park 34 mi Ojibway Prairie Provincial Nature Reserve
Hospital 1 mi University of Michigan Medical Center
Hiking trail 15 mi Brighton Recreation Area Bishop Lake Hiking Trails
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Monthly Weather Data
↑ See chart| Month | Avg High | Avg Low | Rainfall | Snowfall | Sunny Days |
|---|---|---|---|---|---|
| January | 29°F -2°C | 18°F -8°C | 0.9 in 22 mm | 7.9 in200 mm | 3 |
| February | 33°F 0°C | 20°F -7°C | 0.4 in 10 mm | 14.9 in377 mm | 2 |
| March | 54°F 12°C | 34°F 1°C | 2.9 in 74 mm | 1.6 in40 mm | 7 |
| April | 60°F 16°C | 40°F 4°C | 3.1 in 79 mm | 2.5 in64 mm | 5 |
| May | 67°F 19°C | 49°F 10°C | 4.9 in 124 mm | — | 4 |
| June | 81°F 27°C | 62°F 17°C | 5.2 in 132 mm | — | 11 |
| July | 84°F 29°C | 66°F 19°C | 4.9 in 125 mm | — | 12 |
| August | 79°F 26°C | 59°F 15°C | 1.6 in 40 mm | — | 17 |
| September | 76°F 25°C | 53°F 12°C | 1.9 in 47 mm | — | 19 |
| October | 65°F 18°C | 44°F 7°C | 2.9 in 73 mm | — | 19 |
| November | 47°F 8°C | 33°F 0°C | 0.9 in 23 mm | 9.2 in234 mm | 8 |
| December | 35°F 1°C | 19°F -7°C | 2.3 in 58 mm | 9.5 in241 mm | 2 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 3 | 0 |
| February | 2 | 0 |
| March | 7 | 2 |
| April | 5 | 3 |
| May | 4 | 8 |
| June | 11 | 7 |
| July | 12 | 8 |
| August | 17 | 2 |
| September | 19 | 1 |
| October | 19 | 2 |
| November | 8 | 0 |
| December | 2 | 1 |
Water Temperatures Data
↑ See chart| Month | Ocean Avg High | Lake Avg High |
|---|---|---|
| January | 36°F 2°C | 32°F 0°C |
| February | 31°F -1°C | 32°F 0°C |
| March | 40°F 4°C | 35°F 2°C |
| April | 52°F 11°C | 44°F 7°C |
| May | 59°F 15°C | 55°F 13°C |
| June | 74°F 24°C | 69°F 20°C |
| July | 77°F 25°C | 77°F 25°C |
| August | 78°F 25°C | 72°F 22°C |
| September | 69°F 20°C | 66°F 19°C |
| October | 68°F 20°C | 57°F 14°C |
| November | 49°F 9°C | 42°F 6°C |
| December | 38°F 3°C | 33°F 0°C |