December weather forecast
South Sutton, NH

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Weather in December

The first month of the winter, December, is still a freezing cold month in South Sutton, New Hampshire, with temperature in the range of an average low of 21°F (-6.1°C) and an average high of 31.3°F (-0.4°C).

Temperature

The commencement of December indicates a shift in the average high-temperature, receding from November's cold 42.4°F (5.8°C) to a subzero cold 31.3°F (-0.4°C). South Sutton records a steady low-temperature average of 21°F (-6.1°C) during December.

Humidity

In South Sutton, the average relative humidity in December is 83%.

Rainfall

In South Sutton, during December, the rain falls for 8.1 days and regularly aggregates up to 1.02" (26mm) of precipitation. Throughout the year, there are 121.9 rainfall days, and 13.58" (345mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. In December, it is snowing for 11.2 days. Throughout December, 2.6" (66mm) of snow is accumulated. In South Sutton, during the entire year, snow falls for 65.7 days and aggregates up to 19.88" (505mm) of snow.

Daylight

With an average of 9h and 0min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 7:00 am and sunset at 4:13 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 4:22 pm EST.

Sunshine

In South Sutton, the average sunshine in December is 4.2h.

UV index

The months with the lowest UV index are February and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for the average person.
Note: In December, the average maximum UV index of 1 translates into the following recommendations:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
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Frequently asked questions

How cold is December in South Sutton?

During December, South Sutton experiences an average high-temperature of 31.3°F (-0.4°C) and a low-temperature of 21°F (-6.1°C).

What is the average humidity in December in South Sutton?

The average relative humidity in December in South Sutton is 83%.

How much does it rain in South Sutton in December?

In South Sutton, New Hampshire, in December, during 8.1 rainfall days, 1.02" (26mm) of precipitation is typically accumulated.

How much does it snow in South Sutton in December?

In South Sutton, New Hampshire, in December, during 11.2 snowfall days, 2.6" (66mm) of snow is typically accumulated.

What is the month with the shortest days in South Sutton?

December has the shortest days of the year in South Sutton, New Hampshire, with an average of 9h and 0min of daylight.

What is the average length of the day in December in South Sutton?

The average day length in December in South Sutton is 9h and 2min.

When are sunrise and sunset in December in South Sutton?

On the first day of December in South Sutton, sunrise is at 7:00 am and sunset at 4:13 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 4:22 pm EST.

How long on average sun shines in December in South Sutton?

In December, the average sunshine duration is 4.2h.

What are the months with the lowest UV index in South Sutton?

The months with the lowest UV index in South Sutton are February and December, with an average maximum UV index of 1.

What is the UV index reading in December in South Sutton?

In December, the average daily maximum UV index is 1. A UV Index estimate of 2, and below, represents 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 December
South Sutton, NH

Average temperature in December - South Sutton, NH
  • Average high temperature in December: 31.3°F

The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (25.5°F).

  • Average low temperature in December: 21°F

The month with the highest average low temperature is July (58.1°F).
The coldest month (with the lowest average low temperature) is January (13.1°F).

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Average pressure in December
South Sutton, NH

Average pressure in December - South Sutton, NH
  • Average pressure in December: 30.04"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).

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Average wind speed in December
South Sutton, NH

Average wind speed in December - South Sutton, NH
  • Average wind speed in December: 7.3mph

The windiest months (with the highest average wind speed) are January and February (7.8mph).
The calmest month (with the lowest average wind speed) is August (5mph).

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Average humidity in December
South Sutton, NH

Average humidity in December - South Sutton, NH
  • Average humidity in December: 83%

The months with the highest relative humidity are January and February (86%).
The month with the lowest relative humidity is April (75%).

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Average rainfall in December
South Sutton, NH

Average rainfall in December - South Sutton, NH
  • Average rainfall in December: 1.02"

The wettest month (with the highest rainfall) is October (1.61").
The driest month (with the least rainfall) is January (0.79").

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Average rainfall days in December
South Sutton, NH

Average rainfall days in December - South Sutton, NH
  • Average rainfall days in December: 8.1 days

The month with the highest number of rainy days is May (14.4 days).
The month with the least rainy days is February (5.8 days).

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Average snowfall in December
South Sutton, NH

Average snowfall in December - South Sutton, NH
  • Average snowfall in December: 2.6"

The month with the highest snowfall is February (3.82").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
South Sutton, NH

Average snowfall days in December - South Sutton, NH
  • Average snowfall days in December: 11.2 days

The month with the highest number of snowfall days is February (13.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in December /
Average sunshine in December
South Sutton, NH

Average daylight in December / Average sunshine in December - South Sutton, NH
  • Average daylight in December: 9h 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 0min).

  • Average sunshine in December: 4h 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 48min).

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Average sunshine days in December
South Sutton, NH

Average sunshine days in December - South Sutton, NH
  • Average sunshine days in December: 16.5 days

The month with the most sunshine days is January (17.6 days).
The month with the least sunshine days is April (12.9 days).

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Average UV index in December
South Sutton, NH

Average UV index in December - South Sutton, NH
  • Average UV index in December: 1

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

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Average cloud cover in December
South Sutton, NH

Average cloud cover in December - South Sutton, NH
  • Average cloud cover in December: 56

The month with the most cloud cover is February (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 37).

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Average visibility in December
South Sutton, NH

Average visibility in December - South Sutton, NH
  • Average visibility in December: 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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South Sutton, New Hampshire, USA

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