December weather forecast
Berlin, NH

A large and long river with roads and houses along its edges in Berlin, New Hampshire
A large and long river with roads and houses along its edges in Berlin, New Hampshire

Weather in December

The first month of the winter, December, is still a freezing cold month in Berlin, New Hampshire, with an average temperature ranging between min 17.8°F (-7.9°C) and max 28.6°F (-1.9°C).

Temperature

In December, the average high-temperature drops from a cold 39.6°F (4.2°C) in November to a subzero cold 28.6°F (-1.9°C). In December, in Berlin, the average low-temperature is 17.8°F (-7.9°C).

Humidity

In Berlin, New Hampshire, the average relative humidity in December is 84%.

Rainfall

In December, the rain falls for 12.5 days. Throughout December, 2.72" (69mm) of precipitation is accumulated. Throughout the year, in Berlin, there are 168.4 rainfall days, and 30.47" (774mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall in Berlin, New Hampshire. In Berlin, during December, snow falls for 18.4 days and regularly aggregates up to 9.49" (241mm) of snow. In Berlin, during the entire year, snow falls for 96.4 days and aggregates up to 60.94" (1548mm) of snow.

Daylight

With an average of 8h and 54min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 7:01 am and sunset at 4:06 pm. On the last day of December, in Berlin, sunrise is at 7:20 am and sunset at 4:14 pm EST.

Sunshine

In Berlin, the average sunshine in December is 4h.

UV index

In Berlin, New Hampshire, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: In December, the average maximum UV index of 2 translate into the following recommendations:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the average humidity in December in Berlin?

In December, the average relative humidity in Berlin is 84%.

How many days does it rain in December in Berlin?

In Berlin, New Hampshire, during December, the rain falls for 12.5 days and regularly aggregates up to 2.72" (69mm) of precipitation.

How much does it snow in Berlin in December?

In Berlin, New Hampshire, during December, snow falls for 18.4 days and regularly aggregates up to 9.49" (241mm) of snow.

What is the month with the shortest days in Berlin?

December has the shortest days of the year in Berlin, New Hampshire, with an average of 8h and 54min of daylight.

How many hours of daylight does Berlin have in December?

The average day length in December is 8h and 54min.

What time are sunrise and sunset in December in Berlin?

On the first day of December in Berlin, sunrise is at 7:01 am and sunset at 4:06 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 4:14 pm EST.

How long on average sun shines in December in Berlin?

In Berlin, New Hampshire, the average sunshine duration in December is 4h.

What is the UV index reading in December in Berlin?

The average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability 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
Berlin, NH

Average temperature in December - Berlin, NH
  • Average high temperature in December: 28.6°F

The warmest month (with the highest average high temperature) is July (75.6°F).
The month with the lowest average high temperature is January (23.2°F).

  • Average low temperature in December: 17.8°F

The month with the highest average low temperature is July (53.6°F).
The coldest month (with the lowest average low temperature) is January (9.9°F).

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Average pressure in December
Berlin, NH

Average pressure in December - Berlin, 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 (29.91"Hg).

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Average wind speed in December
Berlin, NH

Average wind speed in December - Berlin, NH
  • Average wind speed in December: 6.6mph

The windiest months (with the highest average wind speed) are January and February (7.1mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).

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Average humidity in December
Berlin, NH

Average humidity in December - Berlin, NH
  • Average humidity in December: 84%

The months with the highest relative humidity are January and February (88%).
The month with the lowest relative humidity is May (77%).

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Average rainfall in December
Berlin, NH

Average rainfall in December - Berlin, NH
  • Average rainfall in December: 2.72"

The wettest month (with the highest rainfall) is October (3.43").
The driest month (with the least rainfall) is September (1.85").

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Average rainfall days in December
Berlin, NH

Average rainfall days in December - Berlin, NH
  • Average rainfall days in December: 12.5 days

The month with the highest number of rainy days is October (17.5 days).
The month with the least rainy days is January (9.3 days).

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Average snowfall in December
Berlin, NH

Average snowfall in December - Berlin, NH
  • Average snowfall in December: 9.49"

The month with the highest snowfall is February (12.8").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Berlin, NH

Average snowfall days in December - Berlin, NH
  • Average snowfall days in December: 18.4 days

The month with the highest number of snowfall days is January (19.8 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
Berlin, NH

Average daylight in December / Average sunshine in December - Berlin, NH
  • Average daylight in December: 8h and 54min

The month with the longest days is June (Average daylight: 15h and 29min).
The month with the shortest days is December (Average daylight: 8h and 54min).

  • Average sunshine in December: 4h and 0min

The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).

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Average sunshine days in December
Berlin, NH

Average sunshine days in December - Berlin, NH
  • Average sunshine days in December: 8.3 days

The month with the most sunshine days is September (14.4 days).
The month with the least sunshine days is February (6.9 days).

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Average UV index in December
Berlin, NH

Average UV index in December - Berlin, NH
  • Average UV index in December: 2

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

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Average cloud cover in December
Berlin, NH

Average cloud cover in December - Berlin, NH
  • Average cloud cover in December: 61

The month with the most cloud cover is February (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 40).

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Average visibility in December
Berlin, NH

Average visibility in December - Berlin, NH
  • Average visibility in December: 4mi

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

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