March weather forecast
Deer Isle, ME

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Weather in March

March experiences a noteworthy change in Deer Isle, Maine, as this period transitions the area from winter to spring. Compared to February, higher temperatures with an average of 37°F (2.8°C) indicate the onset of warming. However, late winter weather can still offer some chilly days. It's a perfect time for outdoor activities before the arrival of the wet season which tends to make the weather unpredictable. Spring equinox in this month equates day and night hours approximately, giving equal share of sunshine and starlight.

Temperature

As Deer Isle welcomes March, the average high-temperature stabilizes at a still icy 37°F (2.8°C), showing little deviation from February's 32.4°F (0.2°C). During March, Deer Isle records a consistent average nighttime temperature of 27.9°F (-2.3°C).

Humidity

In March, the average relative humidity is 79%.

Rainfall

In Deer Isle, in March, during 8.6 rainfall days, 1.14" (29mm) of precipitation is typically accumulated. In Deer Isle, during the entire year, the rain falls for 115.5 days and collects up to 17.95" (456mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall in Deer Isle. In March, it is snowing for 4.6 days. Throughout March, 1.46" (37mm) of snow is accumulated. In Deer Isle, during the entire year, snow falls for 29.2 days and aggregates up to 9.65" (245mm) of snow.

Ocean temperature

March is the month with the coldest seawater in Deer Isle, with an average ocean temperature of 38.3°F (3.5°C).
Note: In the practice of swimming, this situation poses immediate risks to life. Losing control over breathing is immediate, thereby making clear thinking near impossible. A specialized swimsuit is obligatory to restrict thermal loss.

Daylight

In March, the average length of the day is 11h and 58min.
On the first day of March in Deer Isle, Maine, sunrise is at 6:10 am and sunset at 5:23 pm EST. On the last day of the month, sunrise is at 6:16 am and sunset at 7:01 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

In March, the average sunshine in Deer Isle is 5.6h.

UV index

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: The daily high UV index of 2 in March translates into this advice:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
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Frequently asked questions

How cold is March in Deer Isle?

In Deer Isle, 37°F (2.8°C) is the average high-temperature and 27.9°F (-2.3°C) is the average low-temperature during March.

What is the average humidity in March in Deer Isle?

In March, the average relative humidity is 79%.

How much does it rain in Deer Isle in March?

In Deer Isle, Maine, in March, it is raining for 8.6 days, with typically 1.14" (29mm) of accumulated precipitation.

How many days does it snow in March in Deer Isle?

In Deer Isle, in March, during 4.6 snowfall days, 1.46" (37mm) of snow is typically accumulated.

When is the ocean coldest in Deer Isle?

March is the month with the coldest seawater in Deer Isle, Maine, with an average ocean temperature of 38.3°F (3.5°C).

What is the water temperature in March in Deer Isle?

In March, the average ocean temperature in Deer Isle, Maine, is 38.3°F (3.5°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 Deer Isle?

The average day length in March in Deer Isle, Maine, is 11h and 58min.

When is the sunrise / sunset in March in Deer Isle?

On the first day of March in Deer Isle, Maine, sunrise is at 6:10 am and sunset at 5:23 pm EST. On the last day of the month, sunrise is at 6:16 am and sunset at 7:01 pm EDT.

When does Daylight Saving Time (DST) start in March in Deer Isle?

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

How long on average sun shines in March in Deer Isle?

The average sunshine duration in March in Deer Isle is 5.6h.

When is the lowest UV index in Deer Isle?

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index.

How high is the UV index in March in Deer Isle?

In March, the average daily maximum UV index is 2. A UV Index value of 2, and less, symbolizes a minimal hazard to health 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
Deer Isle, ME

Average temperature in March - Deer Isle, ME
  • Average high temperature in March: 37°F

The warmest month (with the highest average high temperature) is August (68.9°F).
The month with the lowest average high temperature is January (31.5°F).

  • Average low temperature in March: 27.9°F

The month with the highest average low temperature is August (59.9°F).
The coldest month (with the lowest average low temperature) is January (21°F).

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Average pressure in March
Deer Isle, ME

Average pressure in March - Deer Isle, ME
  • Average pressure in March: 30"Hg

The month with the highest atmospheric pressure is September (30.04"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed in March
Deer Isle, ME

Average wind speed in March - Deer Isle, ME
  • Average wind speed in March: 13.7mph

The windiest month (with the highest average wind speed) is January (14.4mph).
The calmest months (with the lowest average wind speed) are July and August (7.8mph).

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Average humidity in March
Deer Isle, ME

Average humidity in March - Deer Isle, ME
  • Average humidity in March: 79%

The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is November (76%).

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Average rainfall in March
Deer Isle, ME

Average rainfall in March - Deer Isle, ME
  • Average rainfall in March: 1.14"

The wettest month (with the highest rainfall) is October (2.09").
The driest month (with the least rainfall) is September (0.91").

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Average rainfall days in March
Deer Isle, ME

Average rainfall days in March - Deer Isle, ME
  • Average rainfall days in March: 8.6 days

The month with the highest number of rainy days is July (12.8 days).
The month with the least rainy days is February (5.3 days).

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Average snowfall in March
Deer Isle, ME

Average snowfall in March - Deer Isle, ME
  • Average snowfall in March: 1.46"

The month with the highest snowfall is February (2.32").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in March
Deer Isle, ME

Average snowfall days in March - Deer Isle, ME
  • Average snowfall days in March: 4.6 days

The month with the highest number of snowfall days is January (7.7 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average sea temperature in March
Deer Isle, ME

Average sea temperature in March - Deer Isle, ME
  • Average sea temperature in March: 38.2°F

The best month for swimming (with the highest average sea temperature) is August (58.6°F).
The coldest month (with the lowest average sea temperature) is March (38.2°F).

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Average daylight in March /
Average sunshine in March
Deer Isle, ME

Average daylight in March / Average sunshine in March - Deer Isle, ME
  • Average daylight in March: 12h and 0min

The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).

  • Average sunshine in March: 5h and 4min

The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 4h and 30min).

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Average sunshine days in March
Deer Isle, ME

Average sunshine days in March - Deer Isle, ME
  • Average sunshine days in March: 17.5 days

The month with the most sunshine days is September (19.9 days).
The month with the least sunshine days is July (15.4 days).

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Average UV index in March
Deer Isle, ME

Average UV index in March - Deer Isle, ME
  • 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, March, November and December (UV index 2).

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Average cloud cover in March
Deer Isle, ME

Average cloud cover in March - Deer Isle, ME
  • Average cloud cover in March: 52

The months with the most cloud cover are February and March (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 31).

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Average visibility in March
Deer Isle, ME

Average visibility in March - Deer Isle, ME
  • Average visibility in March: 6mi

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

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Deer Isle, Maine, USA

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