March weather forecast
Alton Bay, NH

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Weather in March

The first month of the spring, March, is a wintry month in Alton Bay, New Hampshire, with an average temperature varying between 22.5°F (-5.3°C) and 37.9°F (3.3°C).

Temperature

March brings a slight increase in the average high-temperature, progressing from a subzero cold 29.3°F (-1.5°C) in February to a wintry 37.9°F (3.3°C). In the month of March, Alton Bay records a consistent average low-temperature of 22.5°F (-5.3°C).

Humidity

The average relative humidity in March in Alton Bay is 84%.

Rainfall

In March, the rain falls for 11.7 days. Throughout March, 2.24" (57mm) of precipitation is accumulated. In Alton Bay, during the entire year, the rain falls for 152 days and collects up to 29.09" (739mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall in Alton Bay. In March, it is snowing for 11.6 days. Throughout March, 7.24" (184mm) of snow is accumulated. Throughout the year, in Alton Bay, New Hampshire, there are 58.3 snowfall days, and 38.98" (990mm) of snow is accumulated.

Daylight

In Alton Bay, the average length of the day in March is 11h and 58min.
On the first day of March, sunrise is at 6:19 am and sunset at 5:34 pm EST. On the last day of the month, sunrise is at 6:26 am and sunset at 7:10 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 5.5h.

UV index

The months with the lowest UV index in Alton Bay are January through March, October through December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: A maximum daily UV index of 2 during March morphs into the following directions:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
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Frequently asked questions

Is it cold in Alton Bay during March?

In March, the average high-temperature and low-temperature in Alton Bay, New Hampshire, are 37.9°F (3.3°C) and 22.5°F (-5.3°C) respectively.

What is the average humidity in March in Alton Bay?

The average relative humidity in March in Alton Bay is 84%.

How many days does it rain in March in Alton Bay?

In Alton Bay, New Hampshire, in March, it is raining for 11.7 days, with typically 2.24" (57mm) of accumulated precipitation.

How much does it snow in Alton Bay in March?

In March, in Alton Bay, New Hampshire, it is snowing for 11.6 days. Throughout March, 7.24" (184mm) of snow is accumulated.

How many hours of daylight does Alton Bay have in March?

In Alton Bay, New Hampshire, the average day length in March is 11h and 58min.

What time are sunrise and sunset in March in Alton Bay?

On the first day of March, sunrise is at 6:19 am and sunset at 5:34 pm EST. On the last day of the month, sunrise is at 6:26 am and sunset at 7:10 pm EDT.

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

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

In March, the average sunshine duration is 5.5h.

When is the lowest UV index in Alton Bay?

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

What is the UV index intensity in March in Alton Bay?

The average daily maximum UV index in March in Alton Bay, New Hampshire, is 2. A UV Index reading of 2, and below, represents a minimal hazard to health from unprotected exposure to 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
Alton Bay, NH

Average temperature in March - Alton Bay, NH
  • Average high temperature in March: 37.9°F

The warmest month (with the highest average high temperature) is July (78.3°F).
The month with the lowest average high temperature is January (26.1°F).

  • Average low temperature in March: 22.5°F

The month with the highest average low temperature is July (57.6°F).
The coldest month (with the lowest average low temperature) is January (12.9°F).

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Average pressure in March
Alton Bay, NH

Average pressure in March - Alton Bay, NH
  • 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 (29.91"Hg).

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Average wind speed in March
Alton Bay, NH

Average wind speed in March - Alton Bay, NH
  • Average wind speed in March: 6.9mph

The windiest months (with the highest average wind speed) are January and February (7.1mph).
The calmest months (with the lowest average wind speed) are July and August (4.7mph).

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Average humidity in March
Alton Bay, NH

Average humidity in March - Alton Bay, NH
  • Average humidity in March: 84%

The months with the highest relative humidity are January and February (86%).
The month with the lowest relative humidity is April (76%).

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Average rainfall in March
Alton Bay, NH

Average rainfall in March - Alton Bay, NH
  • Average rainfall in March: 2.24"

The wettest month (with the highest rainfall) is October (3.19").
The driest month (with the least rainfall) is September (1.61").

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Average rainfall days in March
Alton Bay, NH

Average rainfall days in March - Alton Bay, NH
  • Average rainfall days in March: 11.7 days

The month with the highest number of rainy days is April (15.8 days).
The month with the least rainy days is February (8.3 days).

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Average snowfall in March
Alton Bay, NH

Average snowfall in March - Alton Bay, NH
  • Average snowfall in March: 7.24"

The month with the highest snowfall is February (9.84").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in March
Alton Bay, NH

Average snowfall days in March - Alton Bay, NH
  • Average snowfall days in March: 11.6 days

The month with the highest number of snowfall days is January (13.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in March /
Average sunshine in March
Alton Bay, NH

Average daylight in March / Average sunshine in March - Alton Bay, 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 3min

The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

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Average sunshine days in March
Alton Bay, NH

Average sunshine days in March - Alton Bay, NH
  • Average sunshine days in March: 11.9 days

The month with the most sunshine days is September (16.9 days).
The month with the least sunshine days is April (11.4 days).

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Average UV index in March
Alton Bay, NH

Average UV index in March - Alton Bay, NH
  • 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).

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Average cloud cover in March
Alton Bay, NH

Average cloud cover in March - Alton Bay, NH
  • Average cloud cover in March: 52

The month with the most cloud cover is March (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 35).

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Average visibility in March
Alton Bay, NH

Average visibility in March - Alton Bay, NH
  • Average visibility in March: 5mi

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

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Alton Bay, New Hampshire, USA

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