- WinterDec–Feb23°35°
- December26°38°
- January21°33°
- February22°36°
- SpringMar–May40°58°
- March29°46°
- April39°58°
- May50°70°
- SummerJun–Aug64°82°
- June61°80°
- July66°84°
- August64°82°
- AutumnSep–Nov46°62°
- September57°75°
- October45°62°
- November35°49°
Detroit, MI Weather by Month and Climate Averages
Detroit, MI gets 29.9 in of precipitation a year over about 124 rainy days. July is the warmest month (average high 84°F) and January the coldest (average low 21°F).
Detroit climate at a glance
Humid continental climate
Detroit, MI has warm summers and cold winters. Daytime highs range from about 33°F in January to 84°F in July. May is usually the wettest month, and snow falls in winter. The most comfortable time to visit is typically June and September, when daytime highs sit near 77°F.
How much rain does Detroit get?
Detroit gets 29.9 in of precipitation in an average year, spread over about 124 days with measurable rain. That is more rainy days than 81% of the US.
May is the wettest month, with 3.5 in. February is the driest, with 1.4 in. May has the most rainy days, about 14.
The longest dry spell in the last five years lasted 35 days, to November 5, 2024.
See where Detroit ranks: rainiest cities in the US, US cities with the most rainy days, rainiest cities in Michigan.
Does it snow in Detroit?
The snowiest winter on record is 1974–75, with 51.5 in.
See where Detroit ranks: snowiest cities in the US.
Detroit weather by month
Detroit weather in January
In January, Detroit averages a high of 33°F and a low of 21°F. It gets 1.4 in of precipitation over about 10 rainy days. The sun is out about 20% of daylight hours. The January record high is 63°F (2008) and the record low is -17°F (1994).
Detroit weather in February
In February, Detroit averages a high of 36°F and a low of 22°F. It gets 1.4 in of precipitation over about 8 rainy days. The sun is out about 33% of daylight hours. The February record high is 74°F (2024) and the record low is -10°F (2015).
Detroit weather in March
In March, Detroit averages a high of 46°F and a low of 29°F. It gets 2.0 in of precipitation over about 10 rainy days. The sun is out about 34% of daylight hours. The March record high is 83°F (2012) and the record low is -3°F (2003).
Detroit weather in April
In April, Detroit averages a high of 58°F and a low of 39°F. It gets 2.8 in of precipitation over about 12 rainy days. The sun is out about 37% of daylight hours. The April record high is 89°F (1990) and the record low is 17°F (1982).
Detroit weather in May
In May, Detroit averages a high of 70°F and a low of 50°F. It gets 3.5 in of precipitation over about 14 rainy days. The sun is out about 40% of daylight hours. The May record high is 93°F (2018) and the record low is 30°F (1978).
Detroit weather in June
In June, Detroit averages a high of 80°F and a low of 61°F. It gets 3.1 in of precipitation over about 10 rainy days. The sun is out about 49% of daylight hours. The June record high is 103°F (1988) and the record low is 41°F (1988). June is one of the most comfortable months to visit.
Detroit weather in July
In July, Detroit averages a high of 84°F and a low of 66°F. It gets 3.2 in of precipitation over about 10 rainy days. The sun is out about 50% of daylight hours. The July record high is 103°F (1995) and the record low is 42°F (1972).
Detroit weather in August
In August, Detroit averages a high of 82°F and a low of 64°F. It gets 3.1 in of precipitation over about 10 rainy days. The sun is out about 51% of daylight hours. The August record high is 102°F (2001) and the record low is 46°F (1986).
Detroit weather in September
In September, Detroit averages a high of 75°F and a low of 57°F. It gets 3.1 in of precipitation over about 9 rainy days. The sun is out about 51% of daylight hours. The September record high is 99°F (2011) and the record low is 33°F (2000). September is one of the most comfortable months to visit.
Detroit weather in October
In October, Detroit averages a high of 62°F and a low of 45°F. It gets 2.3 in of precipitation over about 11 rainy days. The sun is out about 43% of daylight hours. The October record high is 89°F (2007) and the record low is 24°F (1972).
Detroit weather in November
In November, Detroit averages a high of 49°F and a low of 35°F. It gets 2.2 in of precipitation over about 10 rainy days. The sun is out about 41% of daylight hours. The November record high is 76°F (2024) and the record low is 9°F (2019).
Detroit weather in December
In December, Detroit averages a high of 38°F and a low of 26°F. It gets 1.7 in of precipitation over about 10 rainy days. The sun is out about 21% of daylight hours. The December record high is 70°F (1998) and the record low is -5°F (1983).
Sunshine, humidity and wind in Detroit
August is the sunniest month in Detroit, with sunshine about 51% of daylight hours. January is the cloudiest, at 20%. Over the year the sun shines about 39% of daylight hours. Detroit is cloudier than 90% of the US.
Humidity peaks in January at 76% and is lowest in June at 63%.
Wind averages 9 mph over the year, and January is the windiest month at 10 mph.
Detroit has about 13 days a year above 90°F. Detroit is cooler than 71% of the US.
Thunderstorms occur on about 26 days a year.
See where Detroit ranks: sunniest cities in the US, cloudiest cities in the US, hottest cities in the US.
First and last freeze in Detroit
The first fall freeze in Detroit typically comes around October 30, and the last spring freeze around April 20. That leaves a frost-free growing season of about 193 days.
Detroit weather records
The hottest temperature on record at the Detroit station is 103°F, on June 25, 1988. The coldest is -17°F, on January 19, 1994.
The wettest day on record brought 4.1 in of rain, on September 29, 2016.
39 all-time records have been set at the station since 1970.
The annual mean temperature has changed by +0.5°F per decade since 1970.
The best time to visit Detroit
The most comfortable time to visit is typically June and September, when daytime highs sit near 77°F.
Winter (December–February) is cold, with average highs around 35°F and lows near 23°F. Snow is possible.
Spring (March–May) is mild, with average highs around 58°F and lows near 40°F.
Summer (June–August) is warm, with average highs around 82°F and lows near 64°F.
Autumn (September–November) is mild, with average highs around 62°F and lows near 46°F.
Monthly climate
| Month | Precip | Rain days | Wind | Humidity | Sunshine | Sea temp | Record high | Record low |
|---|---|---|---|---|---|---|---|---|
| January | 1.4 in | 10 | 10 mph | 76% | 20% | 34° | 63° | -17° |
| February | 1.4 in | 8 | 10 mph | 70% | 33% | 33° | 74° | -10° |
| March | 2.0 in | 10 | 9 mph | 67% | 34% | 35° | 83° | -3° |
| April | 2.8 in | 12 | 10 mph | 65% | 37% | 40° | 89° | 17° |
| May | 3.5 in | 14 | 8 mph | 64% | 40% | 49° | 93° | 30° |
| June | 3.1 in | 10 | 8 mph | 63% | 49% | 61° | 103° | 41° |
| July | 3.2 in | 10 | 7 mph | 69% | 50% | 70° | 103° | 42° |
| August | 3.1 in | 10 | 7 mph | 71% | 51% | 71° | 102° | 46° |
| September | 3.1 in | 9 | 7 mph | 72% | 51% | 67° | 99° | 33° |
| October | 2.3 in | 11 | 8 mph | 70% | 43% | 58° | 89° | 24° |
| November | 2.2 in | 10 | 9 mph | 69% | 41% | 48° | 76° | 9° |
| December | 1.7 in | 10 | 9 mph | 76% | 21% | 38° | 70° | -5° |
From ERA5 reanalysis. Sunshine is estimated from cloud cover.
Detroit climate questions
How much rain does Detroit get?
Detroit gets 29.9 in of precipitation in an average year, over about 124 rainy days.
What is the wettest month in Detroit?
May is the wettest month in Detroit, with 3.5 in. February is the driest, with 1.4 in.
How many rainy days does Detroit have a year?
Detroit has about 124 days with measurable rain in an average year. May has the most, about 14.
What is the hottest month in Detroit?
July is the warmest month in Detroit, with an average high of 84°F.
What is the coldest month in Detroit?
January is the coldest month in Detroit, with an average low of 21°F.
What is the record high temperature in Detroit?
The record high at the Detroit station is 103°F, set on June 25, 1988. The record low is -17°F, on January 19, 1994.
What is the sunniest month in Detroit?
August is the sunniest month in Detroit, with sunshine about 51% of daylight hours. January is the cloudiest.
When is the first frost in Detroit?
The first fall freeze in Detroit typically comes around October 30. The last spring freeze is around April 20.
What is the best time to visit Detroit?
The most comfortable time to visit is typically June and September, when daytime highs sit near 77°F.
Source: NOAA GHCN-Daily station DETROIT CITY AP (9 km away).
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Normals from NOAA GHCN-Daily station DETROIT CITY AP.