March weather forecast
Grand Marais, MI

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Weather in March

The onset of March witnesses a significant change in weather dynamics in Grand Marais. Snowfall begins to decrease, and the increasing daylight hours hint at the approaching spring season. The wind speed reduces, making it less harsh than the winter months. The temperature spectrum broadens to between 21.6°F (-5.8°C) and 32.4°F (0.2°C), and snowfall tapers off to 6.69" (170mm) over 14.6 days. The lengthy hours of sunshine and enhanced visibility further highlight the climatological shift.

Temperature

With the onset of March, Grand Marais's average high-temperature sees a rise, moving from February's subzero cold 23.2°F (-4.9°C) to a wintry 32.4°F (0.2°C). Throughout March, a steady low-temperature average of 21.6°F (-5.8°C) is noted.

Humidity

In March, the average relative humidity in Grand Marais is 87%.

Rainfall

The month with the least rainfall in Grand Marais is March, when the rain falls for 8.1 days and typically collects 1.5" (38mm) of precipitation.

Snowfall

Months with snowfall in Grand Marais are January through May, October through December. In Grand Marais, in March, during 14.6 snowfall days, 6.69" (170mm) of snow is typically accumulated. Throughout the year, there are 108.1 snowfall days, and 48.31" (1227mm) of snow is accumulated.

Ocean temperature

March and April, with an average ocean temperature of 35.6°F (2°C), are months with the coldest seawater in Grand Marais.
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 Grand Marais, the average length of the day in March is 11h and 57min.
On the first day of the month, sunrise is at 7:21 am and sunset at 6:30 pm EST. On the last day of March, in Grand Marais, Michigan, sunrise is at 7:23 am and sunset at 8:12 pm EDT.
Note: On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time lasts until Sunday, November 3. 2024, at 2:00 am; consequently, the time zone reverts from EDT to EST.

Sunshine

The average sunshine in March is 4.4h.

UV index

In Grand Marais, the average daily maximum UV index in March is 2. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: The UV index of 2 during March translates into the following guidance:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
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Frequently asked questions

How cold is it in Grand Marais in March?

An average high-temperature, in March, in Grand Marais, is 32.4°F (0.2°C) and the average low-temperature is 21.6°F (-5.8°C).

What is the average humidity in March in Grand Marais?

In March, the average relative humidity in Grand Marais, Michigan, is 87%.

What is the driest month in Grand Marais?

March is the month with the least rainfall in Grand Marais. Rain falls for 8.1 days and accumulates 1.5" (38mm) of precipitation.

How much does it rain in Grand Marais in March?

In Grand Marais, Michigan, during March, the rain falls for 8.1 days and regularly aggregates up to 1.5" (38mm) of precipitation.

How much does it snow in Grand Marais in March?

In Grand Marais, in March, snow falls for 14.6 days, with typically accumulated 6.69" (170mm) of snow.

When is the ocean coldest in Grand Marais?

March and April, with an average ocean temperature of 35.6°F (2°C), are months with the coldest seawater in Grand Marais.

How cold is the water in March in Grand Marais?

In March, the average ocean temperature in Grand Marais is 35.6°F (2°C). 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.

How many hours of daylight does Grand Marais have in March?

In Grand Marais, Michigan, the average day length in March is 11h and 57min.

When are sunrise and sunset in March in Grand Marais?

On the first day of March in Grand Marais, sunrise is at 7:21 am and sunset at 6:30 pm EST. On the last day of the month, sunrise is at 7:23 am and sunset at 8:12 pm EDT.

When does Daylight Saving Time (DST) start in March in Grand Marais?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Grand Marais, Michigan, and the time zone changes from EST to EDT. DST ends Sunday, November 3. 2024, at 2:00 am.

How many hours of sunshine does Grand Marais have in March?

In March, the average sunshine duration in Grand Marais, Michigan, is 4.4h.

What is the UV index reading in March in Grand Marais?

In March, the average daily maximum UV index in Grand Marais, Michigan, is 2. A UV Index value of 2, and less, symbolizes a low health threat from exposure to the Sun's UV radiation.
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 March
Grand Marais, MI

Average temperature in March - Grand Marais, MI
  • Average high temperature in March: 32.4°F

The warmest month (with the highest average high temperature) is July (72.1°F).
The month with the lowest average high temperature is January (22.8°F).

  • Average low temperature in March: 21.6°F

The month with the highest average low temperature is August (56.8°F).
The coldest month (with the lowest average low temperature) is February (13.6°F).

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Average pressure in March
Grand Marais, MI

Average pressure in March - Grand Marais, MI
  • Average pressure in March: 30.09"Hg

The month with the highest atmospheric pressure is March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed in March
Grand Marais, MI

Average wind speed in March - Grand Marais, MI
  • Average wind speed in March: 8.8mph

The windiest month (with the highest average wind speed) is November (10.1mph).
The calmest month (with the lowest average wind speed) is July (7.1mph).

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Average humidity in March
Grand Marais, MI

Average humidity in March - Grand Marais, MI
  • Average humidity in March: 87%

The months with the highest relative humidity are January and February (91%).
The month with the lowest relative humidity is May (73%).

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Average rainfall in March
Grand Marais, MI

Average rainfall in March - Grand Marais, MI
  • Average rainfall in March: 1.5"

The wettest month (with the highest rainfall) is October (2.8").
The driest month (with the least rainfall) is March (1.5").

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Average rainfall days in March
Grand Marais, MI

Average rainfall days in March - Grand Marais, MI
  • Average rainfall days in March: 8.1 days

The month with the highest number of rainy days is October (15.3 days).
The month with the least rainy days is February (3.1 days).

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Average snowfall in March
Grand Marais, MI

Average snowfall in March - Grand Marais, MI
  • Average snowfall in March: 6.69"

The month with the highest snowfall is January (10.08").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in March
Grand Marais, MI

Average snowfall days in March - Grand Marais, MI
  • Average snowfall days in March: 14.6 days

The month with the highest number of snowfall days is January (24.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average sea temperature in March
Grand Marais, MI

Average sea temperature in March - Grand Marais, MI
  • Average sea temperature in March: 36°F

The best month for swimming (with the highest average sea temperature) is August (59°F).
The coldest months (with the lowest average sea temperature) are March and April (36°F).

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Average daylight in March /
Average sunshine in March
Grand Marais, MI

Average daylight in March / Average sunshine in March - Grand Marais, MI
  • Average daylight in March: 11h and 5min

The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).

  • Average sunshine in March: 4h and 2min

The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 1h and 36min).

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Average sunshine days in March
Grand Marais, MI

Average sunshine days in March - Grand Marais, MI
  • Average sunshine days in March: 12 days

The month with the most sunshine days is June (16.3 days).
The month with the least sunshine days is January (5.8 days).

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Average UV index in March
Grand Marais, MI

Average UV index in March - Grand Marais, MI
  • Average UV index in March: 2

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 1).

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Average cloud cover in March
Grand Marais, MI

Average cloud cover in March - Grand Marais, MI
  • Average cloud cover in March: 64

The month with the most cloud cover is January (Cloud cover 83).
The month with the least cloud cover is July (Cloud cover 34).

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Average visibility in March
Grand Marais, MI

Average visibility in March - Grand Marais, MI
  • Average visibility in March: 5mi

The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and February (4mi).

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Grand Marais, Michigan, USA

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