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Population Review

Climate normals · 1970–2000

Ann Arbor Climate

Ann Arbor is a city in United States (MI) with a population of about 117,070. Its average annual temperature is 9.1°C (48°F), with roughly 861 mm of rain per year.

9.1°C

Avg Temp

861

Precip (mm/yr)

Jul

Hottest Month

Jan

Coldest Month


Ann Arbor Climate

Ann Arbor has an average annual temperature of 9.1°C (48°F) and receives about 861 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.

9.1°C

Avg Temp

861

Precip (mm/yr)

Jul

Hottest Month

Jan

Coldest Month

-15°-5°5°15°25°35°87mmJFMAMJJASOND
Avg temp (°C) Precipitation (mm)
Ann Arbor — monthly temperature & precipitation (1970–2000 normals) · Source: WorldClim 2.1
MonthAvg (°C/°F)Precip
January-5° / 23°50 mm
February-4° / 26°47 mm
March2° / 35°67 mm
April8° / 47°83 mm
May15° / 59°76 mm
June20° / 68°87 mm
July22° / 72°78 mm
August21° / 70°87 mm
September17° / 63°84 mm
October11° / 51°62 mm
November4° / 39°73 mm
December-2° / 28°67 mm

1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.

Best time to visit Ann Arbor

The most comfortable months to visit Ann Arbor are typically August, July and June, when temperatures are mildest and rainfall is relatively low. The hottest month is July (around 28°C high). The coldest is January (near -9°C low). June is usually the wettest month.

AugustJulyJune

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Frequently Asked Questions

The most comfortable months to visit Ann Arbor are typically August, July and June, when temperatures are mildest and rainfall is relatively low (1970–2000 climate normals).

Ann Arbor, United States has an average annual temperature of 9.1°C and about 861 mm of precipitation per year. The warmest month is July and the coldest is January.

In July, the hottest month, daily highs in Ann Arbor average about 28°C (83°F).

Monthly climate normals (1970–2000) sampled from WorldClim 2.1 at ~9 km resolution. Humidity derived from vapor pressure. City coordinates and population from GeoNames.