December weather forecast
Berlin, NH

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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

December rolls in with full-fledged winter conditions across Berlin as the temperatures fall further to an average low of 17.8°F (-7.9°C). The city witnesses the return of significant snowfall amounting to 9.49" (241mm) on average. Waking up to frosty mornings, experiencing short daylight hours, and bracing for sharp, cold nights, become part of December's routine. As the year draws to an end, Berlin residents prepare to embrace the coldest month of the year, January, once again. A complete circle of weather in Berlin USA, draws to its end, ready to start afresh.

Temperature

In Berlin, entering December brings a temperature decrement, reducing from November's icy 39.6°F (4.2°C) to a subzero cold 28.6°F (-1.9°C). Berlin registers a consistent average low-temperature of 17.8°F (-7.9°C) during December.

Humidity

The average relative humidity in December is 84%.

Rainfall

In Berlin, during December, the rain falls for 12.5 days and regularly aggregates up to 2.72" (69mm) of precipitation. 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. In December, in Berlin, it is snowing for 18.4 days. Throughout December, 9.49" (241mm) of snow is accumulated. In Berlin, during the entire year, snow falls for 96.4 days and aggregates up to 60.94" (1548mm) of snow.

Daylight

December has the shortest days of the year, with an average of 8h and 54min of daylight.
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 4:15 pm EST.

Sunshine

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

UV index

In December, the average daily maximum UV index in Berlin is 2. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for the average person.
Note: A daily high UV index of 2 in December leads to these guidelines:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
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Frequently asked questions

How cold is December in Berlin?

In December, the average high-temperature and low-temperature in Berlin, New Hampshire, are 28.6°F (-1.9°C) and 17.8°F (-7.9°C) respectively.

What is the average humidity in December in Berlin?

In December, the average relative humidity in Berlin, New Hampshire, 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 many days does it snow in December in Berlin?

In Berlin, in December, during 18.4 snowfall days, 9.49" (241mm) of snow is typically accumulated.

What is the month with the shortest days in Berlin?

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

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

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

When 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 4:15 pm EST.

How long on average sun shines in December in Berlin?

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

What is the UV index reading in December in Berlin?

In Berlin, the average daily maximum UV index in December is 2. A UV Index value 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
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 5min

The month with the longest days is June (Average daylight: 15h and 30min).
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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Berlin, New Hampshire, USA

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