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Ann Arbor, MI Weather


Ann Arbor, MI climate is warm during summer when temperatures tend to be in the 70's and very cold during winter when temperatures tend to be in the 20's.

The warmest month of the year is July with an average maximum temperature of 83.00 degrees Fahrenheit, while the coldest month of the year is January with an average minimum temperature of 16.60 degrees Fahrenheit.

Temperature variations between night and day tend to be moderate during summer with a difference that can reach 20 degrees Fahrenheit, and fairly limited during winter with an average difference of 14 degrees Fahrenheit.

The annual average precipitation at Ann Arbor is 35.35 Inches. Rainfall in is fairly evenly distributed throughout the year. The wettest month of the year is August with an average rainfall of 3.71 Inches.

Weather Data

Current Conditions

(Updated: 3:53 AM EST SAT NOV 21 2009)

FOG and MIST Fog And Mist, 45°F Humidity: 86% Dewpoint: 41°F
Wind Speed: CALM Heat Index: 45°F
Barometer: 30.12 in. Wind Chill: 45°F

Weather Forecast

(Generated: 3:34 AM EST SAT NOV 21 2009)
Hi: 54°F Today: Patchy fog...Dissipating around 10 am. Otherwise mostly cloudy. Highs 51 to 55. Light and variable winds...Becoming southwest 5 to 10 mph.
Lo: 38°F
Hi: 52°F Sunday: Areas of fog...Dissipating around 10 am. Otherwise partly sunny. Highs 49 to 53. Light and variable winds...Becoming southeast 5 to 10 mph.
Lo: 40°F
Hi: 51°F Monday: Areas of fog...Dissipating around 10 am. Otherwise partly sunny. Highs 48 to 52. East winds 5 to 10 mph.
Lo: 39°F
Hi: 50°F Tuesday: Partly sunny. Highs 47 to 51.
Lo: 40°F
Hi: 46°F Wednesday: Mostly cloudy. A chance of rain. Highs 43 to 47. Chance of rain 40 percent.
Lo: 36°F
Hi: 44°F Thanksgiving day: Mostly cloudy. A chance of rain and snow. Highs 41 to 45. Chance of precipitation 40 percent.
Lo: 29°F

Moon, Sunrise and Sunset

Waxing Crescent Moon Moon Phase: Waxing Crescent Moon Civil Twilight:
7:01 AM EST
Sunrise:
7:32 AM EST
Sunset:
5:08 PM EST
Civil Twilight:
5:39 PM EST

Normal Climate

Normal Temperatures

(ANN ARBOR UNIV OF MICH Weather station, 2.04 miles from Ann Arbor)
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Max °F 30.1 33.9 45.2 58.0 70.5 79.2 83.0 80.7 73.5 61.1 46.8 34.7 58.1
Mean °F 23.4 26.4 36.1 47.7 59.4 68.4 72.6 70.7 63.4 51.6 39.6 28.5 49.0
Min °F 16.6 18.9 27.0 37.3 48.3 57.6 62.1 60.7 53.2 42.1 32.4 22.3 39.9

Normal Precipitation

(ANN ARBOR UNIV OF MICH Weather station, 2.04 miles from Ann Arbor)
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Inch 2.24 2.04 2.78 3.36 2.97 3.38 3.16 3.71 3.38 2.50 2.99 2.84 35.35