May weather forecast
Detroit, MI

The downtown city of Detroit, Michigan viewed from a bird
The downtown city of Detroit, Michigan viewed from a bird's eye angle

Weather in May

May, the last month of the spring in Detroit, is a comfortable month, with an average temperature varying between 50.2°F (10.1°C) and 65.3°F (18.5°C).

Temperature

In Detroit, Michigan, the average high-temperature in May rises from a fresh 53.1°F (11.7°C) in April to an enjoyable 65.3°F (18.5°C). The average low-temperature, in Detroit, Michigan, is 50.2°F (10.1°C).

Humidity

The average relative humidity in May is 75%.

Rainfall

May is the month with the most rainfall. Rain falls for 16.8 days and accumulates 2.87" (73mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. May is the last month it regularly snows in Detroit. During 0.3 snowfall days, Detroit aggregates 0.43" (11mm) of snow. In Detroit, during the entire year, snow falls for 54.3 days and aggregates up to 14.84" (377mm) of snow.

Ocean temperature

In May, the average ocean temperature is 48.9°F (9.4°C).
Note: At temperatures below 50°F (10°C), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 55.4°F (13°C) is not comfortable.

Daylight

The average length of the day in May is 14h and 37min.
On the first day of the month, sunrise is at 6:27 am and sunset at 8:31 pm. On the last day of May, in Detroit, sunrise is at 5:58 am and sunset at 9:01 pm EDT.

Sunshine

In Detroit, the average sunshine in May is 8.9h.

UV index

In May, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The daily maximum UV index of 5 in May interpret into the following advice:
Take precautions - Protection against sunburn is recommended. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the temperature in May in Detroit?

In May, the average high-temperature is 65.3°F (18.5°C), and the average low-temperature is 50.2°F (10.1°C).

What is the average humidity in May in Detroit?

In Detroit, Michigan, the average relative humidity in May is 75%.

What is the rainiest month in Detroit?

May is the month with the most rainfall. Rain falls for 16.8 days and accumulates 2.87" (73mm) of precipitation.

How much does it rain in Detroit in May?

In May, the rain falls for 16.8 days. Throughout May, 2.87" (73mm) of precipitation is accumulated.

What is the last month it snows in Detroit?

May is the last month it regularly snows in Detroit. During 0.3 snowfall days, in May, Detroit aggregates 0.43" (11mm) of snow.

What is the ocean temperature in May in Detroit?

In Detroit, in May, the average water temperature is 48.9°F (9.4°C). Swimming in 48.9°F (9.4°C) is considered life-threatening. Even a few minutes in 55.4°F (13°C) water is uncomfortable, and swimming below 50°F (10°C) may cause total loss of breathing control and cold shock, depending on a person's physique.

How many hours of daylight does Detroit have in May?

In Detroit, the average day length in May is 14h and 37min.

What time are sunrise and sunset in May in Detroit?

In May, on the first day of the month, sunrise is at 6:27 am and sunset at 8:31 pm. On the last day of the month, in Detroit, Michigan, sunrise is at 5:58 am and sunset at 9:01 pm EDT.

How many hours of sunshine does Detroit have in May?

In May, the average sunshine duration is 8.9h.

How high is the UV index in May in Detroit?

The average daily maximum UV index in May in Detroit is 5. A UV Index reading of 3 to 5 represents a medium hazard to health from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Detroit, MI

Average temperature in May - Detroit, MI
  • Average high temperature in May: 65.3°F

The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (29.3°F).

  • Average low temperature in May: 50.2°F

The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (19.6°F).

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Average pressure in May
Detroit, MI

Average pressure in May - Detroit, MI
  • Average pressure in May: 29.98"Hg

The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in May
Detroit, MI

Average wind speed in May - Detroit, MI
  • Average wind speed in May: 8.2mph

The windiest month (with the highest average wind speed) is January (10.5mph).
The calmest month (with the lowest average wind speed) is July (6.8mph).

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Average humidity in May
Detroit, MI

Average humidity in May - Detroit, MI
  • Average humidity in May: 75%

The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are July and August (73%).

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Average rainfall in May
Detroit, MI

Average rainfall in May - Detroit, MI
  • Average rainfall in May: 2.87"

The wettest month (with the highest rainfall) is May (2.87").
The driest month (with the least rainfall) is February (1.22").

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Average rainfall days in May
Detroit, MI

Average rainfall days in May - Detroit, MI
  • Average rainfall days in May: 16.8 days

The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is January (7.1 days).

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Average snowfall in May
Detroit, MI

Average snowfall in May - Detroit, MI
  • Average snowfall in May: 0.43"

The month with the highest snowfall is January (4.29").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
Detroit, MI

Average snowfall days in May - Detroit, MI
  • Average snowfall days in May: 0.3 days

The month with the highest number of snowfall days is January (14.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average sea temperature in May
Detroit, MI

Average sea temperature in May - Detroit, MI
  • Average sea temperature in May: 48.9°F

The best month for swimming (with the highest average sea temperature) is August (75.4°F).
The coldest month (with the lowest average sea temperature) is February (32.7°F).

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Average daylight in May /
Average sunshine in May
Detroit, MI

Average daylight in May / Average sunshine in May - Detroit, MI
  • Average daylight in May: 14h and 4min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in May: 8h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).

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Average sunshine days in May
Detroit, MI

Average sunshine days in May - Detroit, MI
  • Average sunshine days in May: 12.3 days

The month with the most sunshine days is November (15.2 days).
The month with the least sunshine days is February (10.7 days).

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Average UV index in May
Detroit, MI

Average UV index in May - Detroit, MI
  • Average UV index in May: 5

The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).

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Average cloud cover in May
Detroit, MI

Average cloud cover in May - Detroit, MI
  • Average cloud cover in May: 40

The month with the most cloud cover is January (Cloud cover 67).
The month with the least cloud cover is July (Cloud cover 27).

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Average visibility in May
Detroit, MI

Average visibility in May - Detroit, MI
  • Average visibility in May: 6mi

The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).

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