March weather forecast
Winthrop, MA

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Weather in March

The first month of the spring, March, is a chilly month in Winthrop, Massachusetts, with an average temperature ranging between max 43.5°F (6.4°C) and min 30.9°F (-0.6°C).

Temperature

The onset of March introduces a subtle rise in the average high-temperature, nudging from a wintry 36.5°F (2.5°C) in February to a frosty 43.5°F (6.4°C). Winthrop's average low-temperature is measured at a subzero cold 30.9°F (-0.6°C) during March.

Humidity

The average relative humidity in March is 73%.

Rainfall

The months with the most rainfall are March, April and December, with an average 2.91" (74mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. In Winthrop, in March, snow falls for 6.8 days, with typically accumulated 3.86" (98mm) of snow. Throughout the year, there are 29.8 snowfall days, and 15.75" (400mm) of snow is accumulated.

Ocean temperature

The months with the coldest seawater are February and March, with an average ocean temperature of 38.8°F (3.8°C).
Note: In the water-based sport of swimming, this state is life-threatening and exceedingly dangerous. The freezing water causes severe discomfort, leading to rapid hyperventilation. A specialized swimsuit is compulsory to avert thermal damage.

Daylight

In March, the average length of the day in Winthrop is 11h and 58min.
On the first day of the month, sunrise is at 6:17 am and sunset at 5:34 pm EST. On the last day of March, sunrise is at 6:26 am and sunset at 7:09 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 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 reading of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: A daily maximum UV index of 2 in March translates into the following instructions:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.

Frequently asked questions

How cold is it in March?

Winthrop in March has an average high-temperature of 43.5°F (6.4°C) and an average low-temperature of 30.9°F (-0.6°C).

What is the average humidity in March in Winthrop?

In March, the average relative humidity is 73%.

What is the wettest month?

The months with the most rainfall are March, April and December, with an average 2.91" (74mm) of precipitation.

How many days does it rain in March?

In Winthrop, in March, it is raining for 11.6 days, with typically 2.91" (74mm) of accumulated precipitation.

How many days does it snow in March?

In Winthrop, in March, snow falls for 6.8 days, with typically accumulated 3.86" (98mm) of snow.

What are the months with the coldest ocean?

February and March, with an average ocean temperature of 38.8°F (3.8°C), are months with the coldest seawater.

What is the ocean temperature in March?

In Winthrop, the average seawater temperature in March is 38.8°F (3.8°C). For swimming, this is considered extremely cold, dangerous, and life-threatening. Unless suitably protected with insulated waterproof clothing, hypothermia quickly occurs.

How many hours of daylight does Winthrop have in March?

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

What time are sunrise and sunset in March?

In March, on the first day of the month, sunrise is at 6:17 am and sunset at 5:34 pm EST. On the last day of the month, sunrise is at 6:26 am and sunset at 7:09 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.

How long on average sun shines in March?

The average sunshine duration in March is 5.6h.

What are the months with the lowest UV index?

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

How high is the UV index in March?

In March, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a low health threat from 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, MA

Average temperature in March - Winthrop, MA
  • Average high temperature in March: 43.5°F

The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (34.2°F).

  • Average low temperature in March: 30.9°F

The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (22.6°F).

Average pressure in March
Winthrop, MA

Average pressure in March - Winthrop, MA
  • Average pressure in March: 30.03"Hg

The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in March
Winthrop, MA

Average wind speed in March - Winthrop, MA
  • Average wind speed in March: 9.4mph

The windiest month (with the highest average wind speed) is January (9.9mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).

Average humidity in March
Winthrop, MA

Average humidity in March - Winthrop, MA
  • Average humidity in March: 73%

The month with the highest relative humidity is February (77%).
The month with the lowest relative humidity is April (69%).

Average rainfall in March
Winthrop, MA

Average rainfall in March - Winthrop, MA
  • Average rainfall in March: 2.91"

The wettest months (with the highest rainfall) are March, April and December (2.91").
The driest month (with the least rainfall) is September (1.26").

Average rainfall days in March
Winthrop, MA

Average rainfall days in March - Winthrop, MA
  • Average rainfall days in March: 11.6 days

The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is January (7.9 days).

Average snowfall in March
Winthrop, MA

Average snowfall in March - Winthrop, MA
  • Average snowfall in March: 3.86"

The month with the highest snowfall is February (4.72").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in March
Winthrop, MA

Average snowfall days in March - Winthrop, MA
  • Average snowfall days in March: 6.8 days

The months with the highest number of snowfall days are January and February (7.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average sea temperature in March
Winthrop, MA

Average sea temperature in March - Winthrop, MA
  • Average sea temperature in March: 38.8°F

The best month for swimming (with the highest average sea temperature) is August (67.6°F).
The coldest month (with the lowest average sea temperature) is March (38.8°F).

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

Average daylight in March / Average sunshine in March - Winthrop, MA
  • Average daylight in March: 12h and 0min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in March: 5h and 4min

The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

Average sunshine days in March
Winthrop, MA

Average sunshine days in March - Winthrop, MA
  • Average sunshine days in March: 14.8 days

The month with the most sunshine days is September (17.7 days).
The month with the least sunshine days is April (13 days).

Average UV index in March
Winthrop, MA

Average UV index in March - Winthrop, MA
  • Average UV index in March: 2

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

Average cloud cover in March
Winthrop, MA

Average cloud cover in March - Winthrop, MA
  • Average cloud cover in March: 51

The month with the most cloud cover is March (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 32).

Average visibility in March
Winthrop, MA

Average visibility in March - Winthrop, MA
  • 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).

Winthrop, Massachusetts, USA

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