December weather forecast
Berlin, MA

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Weather in December

The first month of the winter, December, is also a wintry month in Berlin, Massachusetts, with an average temperature fluctuating between 37.4°F (3°C) and 26.6°F (-3°C).

Temperature

The beginning of December marks a decrease in the average high-temperature, transitioning from a chilly 47.3°F (8.5°C) in November to an icy 37.4°F (3°C). In the month of December, Berlin experiences an average low-temperature of 26.6°F (-3°C).

Humidity

In Berlin, the average relative humidity in December is 78%.

Rainfall

The month with the most rainfall is December, when the rain falls for 10.7 days and typically aggregates up to 2.91" (74mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall in Berlin. In Berlin, in December, snow falls for 5.6 days, with typically accumulated 4.33" (110mm) of snow. In Berlin, Massachusetts, during the entire year, snow falls for 36.5 days and aggregates up to 23.82" (605mm) of snow.

Daylight

With an average of 9h and 6min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 6:56 am and sunset at 4:14 pm. On the last day of December, sunrise is at 7:15 am and sunset at 4:24 pm EST.

Sunshine

In December, the average sunshine is 4.8h.

UV index

The months with the lowest UV index in Berlin are January through March, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: The UV index of 2 during December translates into the following guidance:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Updated: Aug 22, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is December in Berlin?

Berlin in December has an average high-temperature of 37.4°F (3°C) and an average low-temperature of 26.6°F (-3°C). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which combines relative humidity and air temperature, in July is computed to be 87.8°F (31°C).

What is the average humidity in December?

The average relative humidity in December is 78%.

What is the rainiest month?

The month with the most rainfall is December, when the rain falls for 10.7 days and typically aggregates up to 2.91" (74mm) of precipitation.

How many days does it rain in December?

In Berlin, in December, during 10.7 rainfall days, 2.91" (74mm) of precipitation is typically accumulated.

How many days does it snow in December?

In December, it is snowing for 5.6 days. Throughout December, 4.33" (110mm) of snow is accumulated.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 9h and 6min of daylight.

What is the average length of the day in December?

In Berlin, the average day length in December is 9h and 8min.

What time are sunrise and sunset in December?

On the first day of December, sunrise is at 6:56 am and sunset at 4:14 pm. On the last day of the month, sunrise is at 7:15 am and sunset at 4:24 pm EST.

How long on average sun shines in December?

In Berlin, the average sunshine duration in December is 4.8h.

What is the month with the lowest UV index?

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

What is the UV index intensity in December?

The average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a low health threat 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, MA

Average temperature in December - Berlin, MA
  • Average high temperature in December: 37.4°F

The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (31.5°F).

  • Average low temperature in December: 26.6°F

The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).

Average pressure in December
Berlin, MA

Average pressure in December - Berlin, MA
  • 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 (29.92"Hg).

Average wind speed in December
Berlin, MA

Average wind speed in December - Berlin, MA
  • Average wind speed in December: 8.2mph

The windiest month (with the highest average wind speed) is January (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).

Average humidity in December
Berlin, MA

Average humidity in December - Berlin, MA
  • Average humidity in December: 78%

The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is April (71%).

Average rainfall in December
Berlin, MA

Average rainfall in December - Berlin, MA
  • Average rainfall in December: 2.91"

The wettest month (with the highest rainfall) is December (2.91").
The driest month (with the least rainfall) is September (1.57").

Average rainfall days in December
Berlin, MA

Average rainfall days in December - Berlin, MA
  • Average rainfall days in December: 10.7 days

The month with the highest number of rainy days is July (16 days).
The month with the least rainy days is February (7.3 days).

Average snowfall in December
Berlin, MA

Average snowfall in December - Berlin, MA
  • Average snowfall in December: 4.33"

The month with the highest snowfall is February (6.1").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Berlin, MA

Average snowfall days in December - Berlin, MA
  • Average snowfall days in December: 5.6 days

The month with the highest number of snowfall days is February (9.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Berlin, MA

Average daylight in December / Average sunshine in December - Berlin, MA
  • Average daylight in December: 9h and 1min

The month with the longest days is June (Average daylight: 15h and 12min).
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 12min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

Average sunshine days in December
Berlin, MA

Average sunshine days in December - Berlin, MA
  • Average sunshine days in December: 16.5 days

The month with the most sunshine days is November (17.4 days).
The month with the least sunshine days is July (12.8 days).

Average UV index in December
Berlin, MA

Average UV index in December - Berlin, MA
  • 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).

Average cloud cover in December
Berlin, MA

Average cloud cover in December - Berlin, MA
  • 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 34).

Average visibility in December
Berlin, MA

Average visibility in December - Berlin, MA
  • Average visibility in December: 6mi

The months with the highest visibility are March, April, October, November and December (6mi).
The months with the lowest visibility are January, February, May, June, July, August and September (5mi).

Berlin, Massachusetts, USA

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