March weather forecast
Plymouth, NH

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Weather in March

March carries signs of the winter-to-spring transition in Plymouth. In contrast to February, the snowfall decreases to 3.7" (94mm) and temperatures enter into a milder range. The increasing sunshine hours and daylight promise longer outdoor hours. Additionally, the wind speed diminishes gradually, reducing the chill in the air. Moving from March to April, one can expect a further climb in temperatures and a notable drop in snowfall.

Temperature

March's onset in Plymouth, New Hampshire, brings a minor rise in the average high-temperature, moving from a subzero cold 27°F (-2.8°C) in February to an icy 35.2°F (1.8°C). In March, Plymouth experiences a temperature dip to an average of 21.2°F (-6°C) at night.

Humidity

In March, the average relative humidity in Plymouth is 85%.

Rainfall

In Plymouth, New Hampshire, in March, it is raining for 10.3 days, with typically 0.87" (22mm) of accumulated precipitation. In Plymouth, during the entire year, the rain falls for 136.5 days and collects up to 13.54" (344mm) of precipitation.

Snowfall

Months with snowfall in Plymouth are January through May, October through December. In Plymouth, during March, snow falls for 15.1 days and regularly aggregates up to 3.7" (94mm) of snow. Throughout the year, in Plymouth, there are 77.2 snowfall days, and 22.52" (572mm) of snow is accumulated.

Daylight

In Plymouth, the average length of the day in March is 11h and 58min.
On the first day of March, sunrise is at 6:21 am and sunset at 5:35 pm EST. On the last day of the month, sunrise is at 6:28 am and sunset at 7:12 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

In Plymouth, New Hampshire, the average sunshine in March is 5.1h.

UV index

In March, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum daily UV index, 2 in March, converts into the following recommendations:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in Plymouth in March?

In Plymouth, 35.2°F (1.8°C) is the average high-temperature and 21.2°F (-6°C) is the average low-temperature during March.

What is the average humidity in March in Plymouth?

The average relative humidity in March in Plymouth is 85%.

How much does it rain in Plymouth in March?

In March, in Plymouth, New Hampshire, the rain falls for 10.3 days. Throughout March, 0.87" (22mm) of precipitation is accumulated.

How much does it snow in Plymouth in March?

In Plymouth, New Hampshire, in March, during 15.1 snowfall days, 3.7" (94mm) of snow is typically accumulated.

What is the average length of the day in March in Plymouth?

The average day length in March in Plymouth is 11h and 58min.

What time are sunrise and sunset in March in Plymouth?

In March, on the first day of the month, sunrise is at 6:21 am and sunset at 5:35 pm EST. On the last day of the month, in Plymouth, sunrise is at 6:28 am and sunset at 7:12 pm EDT.

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

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Plymouth, 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 Plymouth have in March?

The average sunshine duration in March is 5.1h.

What is the UV index reading in March in Plymouth?

In Plymouth, New Hampshire, the average daily maximum UV index in March is 2. A UV Index reading of 2, and below, represents a low health risk 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
Plymouth, NH

Average temperature in March - Plymouth, NH
  • Average high temperature in March: 35.2°F

The warmest month (with the highest average high temperature) is July (77°F).
The month with the lowest average high temperature is January (23.9°F).

  • Average low temperature in March: 21.2°F

The month with the highest average low temperature is July (56.5°F).
The coldest month (with the lowest average low temperature) is January (11.3°F).

Average pressure in March
Plymouth, NH

Average pressure in March - Plymouth, NH
  • Average pressure in March: 30.03"Hg

The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in March
Plymouth, NH

Average wind speed in March - Plymouth, NH
  • Average wind speed in March: 6.6mph

The windiest months (with the highest average wind speed) are January, February and April (6.8mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).

Average humidity in March
Plymouth, NH

Average humidity in March - Plymouth, NH
  • Average humidity in March: 85%

The months with the highest relative humidity are January and February (87%).
The month with the lowest relative humidity is May (76%).

Average rainfall in March
Plymouth, NH

Average rainfall in March - Plymouth, NH
  • Average rainfall in March: 0.87"

The wettest month (with the highest rainfall) is October (1.5").
The driest month (with the least rainfall) is January (0.79").

Average rainfall days in March
Plymouth, NH

Average rainfall days in March - Plymouth, NH
  • Average rainfall days in March: 10.3 days

The month with the highest number of rainy days is July (14.2 days).
The month with the least rainy days is November (8.2 days).

Average snowfall in March
Plymouth, NH

Average snowfall in March - Plymouth, NH
  • Average snowfall in March: 3.7"

The month with the highest snowfall is February (4.45").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in March
Plymouth, NH

Average snowfall days in March - Plymouth, NH
  • Average snowfall days in March: 15.1 days

The month with the highest number of snowfall days is January (15.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in March /
Average sunshine in March
Plymouth, NH

Average daylight in March / Average sunshine in March - Plymouth, NH
  • 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).

  • Average sunshine in March: 5h and 1min

The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 3h and 54min).

Average sunshine days in March
Plymouth, NH

Average sunshine days in March - Plymouth, NH
  • Average sunshine days in March: 11.4 days

The month with the most sunshine days is September (17 days).
The month with the least sunshine days is February (10.8 days).

Average UV index in March
Plymouth, NH

Average UV index in March - Plymouth, NH
  • Average UV index in March: 2

The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is February (UV index 1).

Average cloud cover in March
Plymouth, NH

Average cloud cover in March - Plymouth, NH
  • Average cloud cover in March: 57

The month with the most cloud cover is February (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 38).

Average visibility in March
Plymouth, NH

Average visibility in March - Plymouth, NH
  • Average visibility in March: 4mi

The months with the highest visibility are April, May, June, July, August, October, November and December (5mi).
The months with the lowest visibility are January, February, March and September (4mi).

Plymouth, New Hampshire, USA

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