March weather forecast
Sullivan, NH

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Weather in March

The first month of the spring, March, is an icy month in Sullivan, New Hampshire, with an average temperature ranging between min 24.3°F (-4.3°C) and max 39.4°F (4.1°C).

Temperature

The beginning of March marks a minor shift in the average high-temperature, moving from February's freezing cold 31.1°F (-0.5°C) to a wintry 39.4°F (4.1°C). The average temperature drops to a freezing cold 24.3°F (-4.3°C) during the night in the month of March.

Humidity

In March, the average relative humidity is 81%.

Rainfall

The month with the least rainfall is March, when the rain falls for 10 days and typically collects 0.75" (19mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In Sullivan, in March, during 8.3 snowfall days, 1.42" (36mm) of snow is typically accumulated. Throughout the year, there are 39.8 snowfall days, and 10.2" (259mm) of snow is accumulated.

Daylight

In March, the average length of the day is 11h and 58min.
On the first day of the month, sunrise is at 6:23 am and sunset at 5:38 pm EST. On the last day of March, sunrise is at 6:31 am and sunset at 7:14 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 Sullivan, the average sunshine in March is 5.7h.

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 hazard from unsafe exposure to UV radiation for average individuals.
Note: The maximum UV index, 2 during March, leads to the following recommendations:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. To protect against the Sun's most potent rays, avoid direct exposure around midday. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.

Frequently asked questions

Is it cold during March?

The average high-temperature and low-temperature during March are 39.4°F (4.1°C) and 24.3°F (-4.3°C) respectively.

What is the average humidity in March?

The average relative humidity in March is 81%.

What is the driest month?

The month with the least rainfall is March, when the rain falls for 10 days and typically collects 0.75" (19mm) of precipitation.

How much does it rain in March?

In March, the rain falls for 10 days. Throughout March, 0.75" (19mm) of precipitation is accumulated.

How much does it snow in March?

In Sullivan, in March, during 8.3 snowfall days, 1.42" (36mm) of snow is typically accumulated.

What is the average length of the day in March?

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

When are sunrise and sunset in March?

On the first day of March, sunrise is at 6:23 am and sunset at 5:38 pm EST. On the last day of the month, sunrise is at 6:31 am and sunset at 7:14 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?

In Sullivan, the average sunshine duration in March is 5.7h.

When is the lowest UV index?

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

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 minimal hazard to health from exposure to the Sun's 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
Sullivan, NH

Average temperature in March - Sullivan, NH
  • Average high temperature in March: 39.4°F

The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (27.9°F).

  • Average low temperature in March: 24.3°F

The month with the highest average low temperature is July (58.6°F).
The coldest month (with the lowest average low temperature) is January (15.1°F).

Average pressure in March
Sullivan, NH

Average pressure in March - Sullivan, NH
  • Average pressure in March: 30.04"Hg

The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in March
Sullivan, NH

Average wind speed in March - Sullivan, NH
  • Average wind speed in March: 7.9mph

The windiest months (with the highest average wind speed) are January, February and March (7.9mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).

Average humidity in March
Sullivan, NH

Average humidity in March - Sullivan, NH
  • Average humidity in March: 81%

The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is April (74%).

Average rainfall in March
Sullivan, NH

Average rainfall in March - Sullivan, NH
  • Average rainfall in March: 0.75"

The wettest month (with the highest rainfall) is July (1.3").
The driest month (with the least rainfall) is March (0.75").

Average rainfall days in March
Sullivan, NH

Average rainfall days in March - Sullivan, NH
  • Average rainfall days in March: 10 days

The month with the highest number of rainy days is May (14.6 days).
The month with the least rainy days is January (6.3 days).

Average snowfall in March
Sullivan, NH

Average snowfall in March - Sullivan, NH
  • Average snowfall in March: 1.42"

The month with the highest snowfall is January (2.64").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in March
Sullivan, NH

Average snowfall days in March - Sullivan, NH
  • Average snowfall days in March: 8.3 days

The month with the highest number of snowfall days is February (9.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in March / Average sunshine in March - Sullivan, NH
  • Average daylight in March: 12h and 0min

The month with the longest days is June (Average daylight: 15h and 18min).
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 18min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).

Average sunshine days in March
Sullivan, NH

Average sunshine days in March - Sullivan, NH
  • Average sunshine days in March: 15.8 days

The month with the most sunshine days is November (20.2 days).
The month with the least sunshine days is May (13.8 days).

Average UV index in March
Sullivan, NH

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

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

Average cloud cover in March
Sullivan, NH

Average cloud cover in March - Sullivan, NH
  • Average cloud cover in March: 51

The months with the most cloud cover are February and March (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 35).

Average visibility in March
Sullivan, NH

Average visibility in March - Sullivan, NH
  • Average visibility in March: 5mi

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

Sullivan, New Hampshire, USA

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