March weather forecast
Harpswell, ME

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Weather in March

Transitioning into March, the weather in Harpswell, Maine, remains steady, with the frigid sea conditions enduring despite a slight rise in temperature to 37.9°F (3.3°C). The continuous blanket of cold weather begins to gradually loosen, foreshadowing the gradual warming trend as Maine leaves winter behind and embraces the renewal birthed by spring. The end of March provides glimpses into the coming spring, with sunniness becoming increasingly prevalent. With more hours of daylight compared to February, the shifts in weather patterns introduce the first feel of spring in the form of buds starting to appear on trees. Drawing closer to April, there is a noticeable shift towards milder weather, while the charm of crystalized landscapes begins to fade.

Ocean temperature

With an average ocean temperature of 37.9°F (3.3°C), March is the month with the coldest seawater.
Note: In the sphere of swimming, this is extremely cold and poses life-endangering hazards. Hypothermia can occur almost instantly in the absence of insulated waterproof wear.

Daylight

In Harpswell, the average length of the day in March is 11h and 58min.
On the first day of March in Harpswell, sunrise is at 6:15 am and sunset at 5:28 pm EST. On the last day of the month, sunrise is at 6:21 am and sunset at 7:05 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.
Updated: Aug 20, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What month is the ocean coldest?

The month with the coldest seawater is March, with an average ocean temperature of 37.9°F (3.3°C).

How cold is the water in March?

In Harpswell, the average seawater temperature in March is 37.9°F (3.3°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 March, the average day length is 11h and 58min.

When is the sunrise / sunset in March?

In March, on the first day of the month, sunrise is at 6:15 am and sunset at 5:28 pm EST. On the last day of the month, sunrise is at 6:21 am and sunset at 7:05 pm EDT.

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

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.

Average sea temperature in March
Harpswell, ME

Average sea temperature in March - Harpswell, ME
  • Average sea temperature in March: 37.9°F

The best month for swimming (with the highest average sea temperature) is August (62.2°F).
The coldest month (with the lowest average sea temperature) is March (37.9°F).

Average daylight in March
Harpswell, ME

Average daylight in March - Harpswell, ME
  • Average daylight in March: 12h and 0min

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

Harpswell, Maine, USA

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