December weather forecast
Newton Junction, NH

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Weather in December

The first month of the winter, December, is also a wintry month in Newton Junction, New Hampshire, with temperature in the range of an average low of 27.7°F (-2.4°C) and an average high of 37.9°F (3.3°C).

Temperature

The onset of December introduces a moderate change in Newton Junction's weather, with average high-temperatures falling from November's chilly 48.2°F (9°C) to an icy 37.9°F (3.3°C). An average low-temperature of 27.7°F (-2.4°C) is noted in Newton Junction during the month of December.

Humidity

In December, the average relative humidity in Newton Junction, New Hampshire, is 77%.

Rainfall

In Newton Junction, New Hampshire, during December, the rain falls for 4.8 days and regularly aggregates up to 0.51" (13mm) of precipitation. In Newton Junction, during the entire year, the rain falls for 78.3 days and collects up to 5.43" (138mm) of precipitation.

Snowfall

Months with snowfall in Newton Junction are January through May, November and December. December is the month with the most snowfall in Newton Junction. Snow falls for 2.6 days and accumulates 0.71" (18mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9h and 6min of daylight.
On the first day of December in Newton Junction, sunrise is at 6:56 am and sunset at 4:11 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 4:20 pm EST.

Sunshine

The average sunshine in December is 4.9h.

UV index

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A maximum high daily UV index of 2 during December translates into the following directions:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Enhance your sun protection with tightly woven, yet airy clothing. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
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Frequently asked questions

How cold does it get in Newton Junction in December?

In Newton Junction, 37.9°F (3.3°C) is the average high-temperature and 27.7°F (-2.4°C) is the average low-temperature during December. In July, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which combines relative humidity and air temperature, is appraised at 84.2°F (29°C).

What is the average humidity in December in Newton Junction?

In December, the average relative humidity in Newton Junction, New Hampshire, is 77%.

How much does it rain in Newton Junction in December?

In Newton Junction, in December, during 4.8 rainfall days, 0.51" (13mm) of precipitation is typically accumulated.

What is the snowiest month in Newton Junction?

The month with the most snowfall is December, when snow falls for 2.6 days and typically aggregates up to 0.71" (18mm) of snow.

How many days does it snow in December in Newton Junction?

In Newton Junction, New Hampshire, in December, snow falls for 2.6 days, with typically accumulated 0.71" (18mm) of snow.

What is the month with the shortest days in Newton Junction?

December has the shortest days of the year, with an average of 9h and 6min of daylight.

How many hours of daylight does Newton Junction have in December?

In December, the average day length is 9h and 5min.

When is the sunrise / sunset in December in Newton Junction?

In December, on the first day of the month, sunrise is at 6:56 am and sunset at 4:11 pm. On the last day of the month, in Newton Junction, New Hampshire, sunrise is at 7:14 am and sunset at 4:20 pm EST.

How long on average sun shines in December in Newton Junction?

The average sunshine duration in December is 4.9h.

What is the month with the lowest UV index in Newton Junction?

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Newton Junction.

How high is the UV index in December in Newton Junction?

In December, the average daily maximum UV index in Newton Junction is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from 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
Newton Junction, NH

Average temperature in December - Newton Junction, NH
  • Average high temperature in December: 37.9°F

The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (32.5°F).

  • Average low temperature in December: 27.7°F

The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (20.5°F).

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Average pressure in December
Newton Junction, NH

Average pressure in December - Newton Junction, NH
  • Average pressure in December: 30.03"Hg

The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed in December
Newton Junction, NH

Average wind speed in December - Newton Junction, NH
  • Average wind speed in December: 8.9mph

The windiest month (with the highest average wind speed) is January (9.5mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).

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Average humidity in December
Newton Junction, NH

Average humidity in December - Newton Junction, NH
  • Average humidity in December: 77%

The month with the highest relative humidity is February (79%).
The month with the lowest relative humidity is April (71%).

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Average rainfall in December
Newton Junction, NH

Average rainfall in December - Newton Junction, NH
  • Average rainfall in December: 0.51"

The wettest month (with the highest rainfall) is November (0.67").
The driest month (with the least rainfall) is September (0.2").

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Average rainfall days in December
Newton Junction, NH

Average rainfall days in December - Newton Junction, NH
  • Average rainfall days in December: 4.8 days

The month with the highest number of rainy days is July (8.8 days).
The month with the least rainy days is January (3.6 days).

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Average snowfall in December
Newton Junction, NH

Average snowfall in December - Newton Junction, NH
  • Average snowfall in December: 0.71"

The month with the highest snowfall is December (0.71").
The months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in December
Newton Junction, NH

Average snowfall days in December - Newton Junction, NH
  • Average snowfall days in December: 2.6 days

The month with the highest number of snowfall days is February (5.3 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

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Average daylight in December /
Average sunshine in December
Newton Junction, NH

Average daylight in December / Average sunshine in December - Newton Junction, NH
  • Average daylight in December: 9h and 1min

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 December: 4h and 5min

The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

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Average sunshine days in December
Newton Junction, NH

Average sunshine days in December - Newton Junction, NH
  • Average sunshine days in December: 23 days

The month with the most sunshine days is January (24.5 days).
The month with the least sunshine days is April (18.4 days).

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Average UV index in December
Newton Junction, NH

Average UV index in December - Newton Junction, NH
  • Average UV index in December: 2

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

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Average cloud cover in December
Newton Junction, NH

Average cloud cover in December - Newton Junction, NH
  • Average cloud cover in December: 47

The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 31).

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Average visibility in December
Newton Junction, NH

Average visibility in December - Newton Junction, NH
  • Average visibility in December: 6mi

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

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Newton Junction, New Hampshire, USA

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