Detroit
Michigan, USA
Long-term weather forecast
Long-term weather forecast

March weather forecast and climate
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
March, the first month of the spring, in Detroit, is a wintry month, with temperature in the range of an average high of 41.7°F (5.4°C) and an average low of 29.7°F (-1.3°C).

Temperature

In Detroit, the average high-temperature rises, from a subzero cold 31.5°F (-0.3°C) in February, to a wintry 41.7°F (5.4°C). The average low-temperature, in Detroit, is 29.7°F (-1.3°C).

Humidity

In March, the average relative humidity is 76%.

Rainfall

In Detroit, Michigan, in March, during 10.7 rainfall days, 1.54" (39mm) of precipitation is typically accumulated. Throughout the year, in Detroit, there are 152.1 rainfall days, and 23.43" (595mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. In Detroit, during March, snow falls for 7.2 days and regularly aggregates up to 1.1" (28mm) 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 March, the average ocean temperature is 33.4°F (0.8°C).
Note: For swimming, this is considered life-threatening and very dangerous. The water feels painfully cold, and hyperventilation quickly occurs. A specialized swimsuit is mandatory to reduce thermal damage.

Daylight

In March, the average length of the day is 12h.

Sunshine

In Detroit, the average sunshine is 5.8h.

UV index

In March, the average daily maximum UV index in Detroit is 2. A UV Index estimate of 2, and below, represents a minimal health hazard from unsafe exposure to the UV radiation for average individuals.
Note: In March, the average maximum UV index of 2 translate into the following recommendations:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. 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. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.

What is the temperature in March in Detroit?

The average high-temperature, in March, is 41.7°F (5.4°C), while the average low-temperature is 29.7°F (-1.3°C).

What is the average humidity in March in Detroit?

In March, the average relative humidity in Detroit is 76%.

How many days does it rain in March in Detroit?

In Detroit, in March, during 10.7 rainfall days, 1.54" (39mm) of precipitation is typically accumulated.

How much does it snow in Detroit in March?

In March, it is snowing for 7.2 days. Throughout March, 1.1" (28mm) of snow is accumulated.

What is the ocean temperature in March in Detroit?

In March, the average ocean temperature in Detroit, Michigan, is 33.4°F (0.8°C). For swimming, this is considered extremely cold, dangerous, and life-threatening. Unless suitably protected with insulated waterproof clothing, hypothermia quickly occurs.

What is the average length of the day in March in Detroit?

In March, the average length of the day in Detroit is 12h.

How long on average sun shines in March in Detroit?

In Detroit, Michigan, the average sunshine in March is 5.8h.

What is the UV index reading in March in Detroit?

In Detroit, the average daily maximum UV index in March is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from the exposure to the Sun's UV rays.
Average temperature in March - Detroit, MI
  • Average high temperature in March: 41.7°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 March: 29.7°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).

Average humidity in March - Detroit, MI
  • Average humidity in March: 76%

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

Average rainfall in March - Detroit, MI
  • Average rainfall in March: 1.54"

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

Average rainfall days in March - Detroit, MI
  • Average rainfall days in March: 10.7 days

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

Average snowfall in March - Detroit, MI
  • Average snowfall in March: 1.1"

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

Average snowfall days in March - Detroit, MI
  • Average snowfall days in March: 7.2 days

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

Average sea temperature in March - Detroit, MI
  • Average sea temperature in March: 33.5°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).

Average daylight in March / Average sunshine in March - Detroit, MI
  • Average daylight in March: 12h

The month with the longest days is June (Average daylight: 15.2h).
The month with shortest days is December (Average daylight: 9.1h).

  • Average sunshine in March: 5.8h

The month with most sunshine is July (Average sunshine: 10.6h).
The month with least sunshine is January (Average sunshine: 3.2h).

Average UV index in March - Detroit, MI
  • Average UV index in March: 2

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).