December weather forecast and climate
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

December, the first month of the winter, in Berlin, is also a subzero cold month, with average temperature varying between 28.6°F (-1.9°C) and 17.8°F (-7.9°C).

Temperature

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

Humidity

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

Rainfall

In December, in Berlin, the rain falls for 12.5 days. Throughout December, 2.72" (69mm) of precipitation is accumulated. In Berlin, during the entire year, the rain falls for 168.4 days and collects up to 30.47" (774mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. In Berlin, snow falls for 18.4 days, with typically accumulated 9.49" (241mm) of snow. Throughout the year, in Berlin, there are 96.4 snowfall days, and 60.94" (1548mm) of snow is accumulated.

Daylight

With an average of 8.9h of daylight, December has the shortest days of the year in Berlin.

Sunshine

In December, the average sunshine is 4h.

UV index

In December, the average daily maximum UV index in Berlin is 2. A UV Index reading of 2, and below, represents a low threat to health from unprotected exposure to the Sun's UV rays for ordinary individuals.
Note: The daily maximum UV index of 2 interpret into the following advice:
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 solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. 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 Berlin?

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

What is the average humidity in December in Berlin?

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

How many days does it rain in December in Berlin?

In Berlin, in December, it is raining for 12.5 days, with typically 2.72" (69mm) of accumulated 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?

December has the shortest days of the year in Berlin, New Hampshire, with an average of 8.9h of daylight.

How many hours of daylight does Berlin have in December?

In Berlin, the average length of the day in December is 8.9h.

How many hours of sunshine does Berlin have in December?

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

How high is the UV index in December in Berlin?

The average daily maximum UV index in December in Berlin is 2. A UV Index reading of 2, and below, represents a minimal hazard to health from the exposure to the Sun's UV radiation.

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"

The month with the highest atmospheric pressure is November (30.06").
The month with the lowest atmospheric pressure is June (29.91").

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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%

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").
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).
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: 8.9h

The month with the longest days is June (Average daylight: 15.5h).
The month with the shortest days is December (Average daylight: 8.9h).

  • Average sunshine in December: 4h

The month with the most sunshine is August (Average sunshine: 9.8h).
The month with the least sunshine is February (Average sunshine: 3.6h).

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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

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

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

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