March weather forecast
Winthrop, ME

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Weather in March

The first month of the spring, March, is an icy month in Winthrop, Maine, with temperature in the range of an average high of 37°F (2.8°C) and an average low of 22.5°F (-5.3°C).

Temperature

The shift from February to March sees a slight increase in the average high-temperature, transitioning from a freezing cold 28.8°F (-1.8°C) to a wintry 37°F (2.8°C). March brings Winthrop a consistent average low-temperature of 22.5°F (-5.3°C).

Humidity

The months with the highest humidity are January through March, with an average relative humidity of 83%.

Rainfall

In Winthrop, Maine, in March, it is raining for 10.8 days, with typically 2.05" (52mm) of accumulated precipitation. In Winthrop, during the entire year, the rain falls for 142.3 days and collects up to 27.52" (699mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall in Winthrop. In Winthrop, in March, during 10.7 snowfall days, 4.88" (124mm) of snow is typically accumulated. Throughout the year, in Winthrop, there are 50.3 snowfall days, and 29.69" (754mm) of snow is accumulated.

Daylight

The average length of the day in March in Winthrop is 11h and 58min.
On the first day of March, 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 7:06 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 Winthrop, Maine, the average sunshine in March is 5.6h.

UV index

January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum UV index, 2 during March, leads to the following recommendations:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in Winthrop in March?

In March, the average high-temperature and low-temperature in Winthrop are 37°F (2.8°C) and 22.5°F (-5.3°C) respectively.

What is the most humid month in Winthrop?

The months with the highest humidity are January through March, with an average relative humidity of 83%.

What is the average humidity in March in Winthrop?

In March, the average relative humidity is 83%.

How many days does it rain in March in Winthrop?

In Winthrop, Maine, during March, the rain falls for 10.8 days and regularly aggregates up to 2.05" (52mm) of precipitation.

How much does it snow in Winthrop in March?

In March, in Winthrop, Maine, it is snowing for 10.7 days. Throughout March, 4.88" (124mm) of snow is accumulated.

How many hours of daylight does Winthrop have in March?

In March, the average day length in Winthrop is 11h and 58min.

What time are sunrise and sunset in March in Winthrop?

On the first day of March in Winthrop, 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 7:06 pm EDT.

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

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 many hours of sunshine does Winthrop have in March?

In Winthrop, the average sunshine duration in March is 5.6h.

When is the lowest UV index in Winthrop?

January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Winthrop.

What is the UV index intensity in March in Winthrop?

In March, the average daily maximum UV index in Winthrop, Maine, is 2. A UV Index of 2, and less, symbolizes a minimal hazard to health from unsafe 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 March
Winthrop, ME

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

The warmest month (with the highest average high temperature) is July (76.6°F).
The month with the lowest average high temperature is January (27°F).

  • Average low temperature in March: 22.5°F

The month with the highest average low temperature is July (57.7°F).
The coldest month (with the lowest average low temperature) is January (13.6°F).

Average pressure in March
Winthrop, ME

Average pressure in March - Winthrop, ME
  • Average pressure in March: 30.01"Hg

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

Average wind speed in March
Winthrop, ME

Average wind speed in March - Winthrop, ME
  • Average wind speed in March: 8.5mph

The windiest month (with the highest average wind speed) is March (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

Average humidity in March
Winthrop, ME

Average humidity in March - Winthrop, ME
  • Average humidity in March: 83%

The months with the highest relative humidity are January, February and March (83%).
The month with the lowest relative humidity is November (76%).

Average rainfall in March
Winthrop, ME

Average rainfall in March - Winthrop, ME
  • Average rainfall in March: 2.05"

The wettest month (with the highest rainfall) is October (2.95").
The driest month (with the least rainfall) is September (1.42").

Average rainfall days in March
Winthrop, ME

Average rainfall days in March - Winthrop, ME
  • Average rainfall days in March: 10.8 days

The month with the highest number of rainy days is June (16 days).
The month with the least rainy days is January (7 days).

Average snowfall in March
Winthrop, ME

Average snowfall in March - Winthrop, ME
  • Average snowfall in March: 4.88"

The month with the highest snowfall is February (6.77").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in March
Winthrop, ME

Average snowfall days in March - Winthrop, ME
  • Average snowfall days in March: 10.7 days

The month with the highest number of snowfall days is January (10.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in March /
Average sunshine in March
Winthrop, ME

Average daylight in March / Average sunshine in March - Winthrop, 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 6min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

Average sunshine days in March
Winthrop, ME

Average sunshine days in March - Winthrop, ME
  • Average sunshine days in March: 13.4 days

The month with the most sunshine days is September (17.7 days).
The month with the least sunshine days is April (11.6 days).

Average UV index in March
Winthrop, ME

Average UV index in March - Winthrop, 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, October, November and December (UV index 2).

Average cloud cover in March
Winthrop, ME

Average cloud cover in March - Winthrop, ME
  • Average cloud cover in March: 52

The months with the most cloud cover are March and April (Cloud cover 52).
The months with the least cloud cover are August and September (Cloud cover 36).

Average visibility in March
Winthrop, ME

Average visibility in March - Winthrop, ME
  • Average visibility in March: 6mi

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

Winthrop, Maine, USA

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