December weather forecast
Sunapee, NH

Weather in December

December, the first month of the winter in Sunapee, is also a subzero cold month, with an average temperature varying between 21°F (-6.1°C) and 31.6°F (-0.2°C).

Temperature

In Sunapee, the average high-temperature in December drops from a wintry 42.6°F (5.9°C) in November to a subzero cold 31.6°F (-0.2°C). In Sunapee, the average low-temperature is 21°F (-6.1°C).

Humidity

The average relative humidity in December is 83%.

Rainfall

In Sunapee, in December, during 10.9 rainfall days, 2.91" (74mm) of precipitation is typically accumulated. Throughout the year, there are 153.2 rainfall days, and 29.92" (760mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. In Sunapee, New Hampshire, during 12 snowfall days, 7.32" (186mm) of snow is typically accumulated. In Sunapee, New Hampshire, during the entire year, snow falls for 65.4 days and aggregates up to 42.72" (1085mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9h and 2min of daylight.
On the first day of December, sunrise is at 7:01 am and sunset at 4:13 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 4:22 pm EST.

Sunshine

The average sunshine in December is 4.3h.

UV index

February and December, with an average maximum UV index of 1, are months with the lowest UV index in Sunapee. A UV Index value of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The average daily UV index of 1 in December transform into the following instructions:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the temperature in December in Sunapee?

In December, in Sunapee, New Hampshire, the average high-temperature is 31.6°F (-0.2°C), and the average low-temperature is 21°F (-6.1°C).

What is the average humidity in December in Sunapee?

In Sunapee, New Hampshire, the average relative humidity in December is 83%.

How much does it rain in Sunapee in December?

In Sunapee, New Hampshire, in December, during 10.9 rainfall days, 2.91" (74mm) of precipitation is typically accumulated.

How much does it snow in Sunapee in December?

In Sunapee, New Hampshire, in December, snow falls for 12 days, with typically accumulated 7.32" (186mm) of snow.

What is the month with the shortest days in Sunapee?

December has the shortest days of the year in Sunapee, New Hampshire, with an average of 9h and 2min of daylight.

What is the average length of the day in December in Sunapee?

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

When is the sunrise / sunset in December in Sunapee?

In December, on the first day of the month, sunrise is at 7:01 am and sunset at 4:13 pm. On the last day of the month, in Sunapee, sunrise is at 7:20 am and sunset at 4:22 pm EST.

How long on average sun shines in December in Sunapee?

The average sunshine duration in December is 4.3h.

What are the months with the lowest UV index in Sunapee?

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

What is the UV index intensity in December in Sunapee?

In December, the average daily maximum UV index in Sunapee, New Hampshire, is 1. A UV Index of 2, and less, symbolizes 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 December
Sunapee, NH

Average temperature in December - Sunapee, NH
  • Average high temperature in December: 31.6°F

The warmest month (with the highest average high temperature) is July (78.8°F).
The month with the lowest average high temperature is January (25.9°F).

  • Average low temperature in December: 21°F

The month with the highest average low temperature is July (57.2°F).
The coldest month (with the lowest average low temperature) is January (13.3°F).

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Average pressure in December
Sunapee, NH

Average pressure in December - Sunapee, 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
Sunapee, NH

Average wind speed in December - Sunapee, NH
  • Average wind speed in December: 7.2mph

The windiest months (with the highest average wind speed) are January, February, March and April (7.6mph).
The calmest month (with the lowest average wind speed) is August (5mph).

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Average humidity in December
Sunapee, NH

Average humidity in December - Sunapee, 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
Sunapee, NH

Average rainfall in December - Sunapee, NH
  • Average rainfall in December: 2.91"

The wettest month (with the highest rainfall) is October (3.39").
The driest month (with the least rainfall) is September (2.05").

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Average rainfall days in December
Sunapee, NH

Average rainfall days in December - Sunapee, NH
  • Average rainfall days in December: 10.9 days

The month with the highest number of rainy days is June (16.8 days).
The month with the least rainy days is February (7.9 days).

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Average snowfall in December
Sunapee, NH

Average snowfall in December - Sunapee, NH
  • Average snowfall in December: 7.32"

The month with the highest snowfall is February (11.18").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Sunapee, NH

Average snowfall days in December - Sunapee, NH
  • Average snowfall days in December: 12 days

The month with the highest number of snowfall days is February (14.3 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
Sunapee, NH

Average daylight in December / Average sunshine in December - Sunapee, NH
  • Average daylight in December: 9h and 2min

The month with the longest days is June (Average daylight: 15h and 21min).
The month with the shortest days is December (Average daylight: 9h and 2min).

  • Average sunshine in December: 4h and 18min

The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 0min).

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Average sunshine days in December
Sunapee, NH

Average sunshine days in December - Sunapee, NH
  • Average sunshine days in December: 13.4 days

The month with the most sunshine days is September (16.8 days).
The month with the least sunshine days is February (11.3 days).

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Average UV index in December
Sunapee, NH

Average UV index in December - Sunapee, 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
Sunapee, NH

Average cloud cover in December - Sunapee, NH
  • Average cloud cover in December: 55

The month with the most cloud cover is February (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 36).

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Average visibility in December
Sunapee, NH

Average visibility in December - Sunapee, NH
  • Average visibility in December: 5mi

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

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