December weather forecast
Berkley, MA

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Weather in December

The first month of the winter, December, is also a wintry month in Berkley, Massachusetts, with temperature in the range of an average low of 30.9°F (-0.6°C) and an average high of 41.7°F (5.4°C).

Temperature

During the transition into December, Berkley observes a decrease in the average high-temperature, falling from a fresh 50.7°F (10.4°C) in November to a cold 41.7°F (5.4°C). During the nights in December, Berkley experiences a consistent average temperature of 30.9°F (-0.6°C).

Humidity

In Berkley, the average relative humidity in December is 76%.

Rainfall

December is the month with the most rainfall in Berkley. Rain falls for 11.3 days and accumulates 3.27" (83mm) of precipitation.

Snowfall

January through May, November and December are months with snowfall. In Berkley, Massachusetts, in December, snow falls for 4.7 days, with typically accumulated 2.56" (65mm) of snow. Throughout the year, in Berkley, there are 26.8 snowfall days, and 13.66" (347mm) of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 9h and 12min of daylight.
On the first day of December, sunrise is at 6:52 am and sunset at 4:14 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 4:23 pm EST.

Sunshine

The average sunshine in December in Berkley, Massachusetts, is 4.8h.

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 reading of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: A daily high UV index of 2 in December leads to these guidelines:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
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Frequently asked questions

Is December cold in Berkley?

The high-temperature, in December, in Berkley, records 41.7°F (5.4°C), while the low-temperature is 30.9°F (-0.6°C). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which represents the influence of relative humidity on air temperature, in July is evaluated at 86°F (30°C).

What is the average humidity in December in Berkley?

In December, the average relative humidity in Berkley is 76%.

What is the wettest month in Berkley?

The month with the most rainfall in Berkley, Massachusetts, is December, when the rain falls for 11.3 days and typically aggregates up to 3.27" (83mm) of precipitation.

How much does it rain in Berkley in December?

In Berkley, Massachusetts, in December, it is raining for 11.3 days, with typically 3.27" (83mm) of accumulated precipitation.

How many days does it snow in December in Berkley?

In Berkley, Massachusetts, in December, snow falls for 4.7 days, with typically accumulated 2.56" (65mm) of snow.

What is the month with the shortest days in Berkley?

With an average of 9h and 12min of daylight, December has the shortest days of the year.

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

The average day length in December in Berkley, Massachusetts, is 9h and 12min.

What time are sunrise and sunset in December in Berkley?

On the first day of December in Berkley, sunrise is at 6:52 am and sunset at 4:14 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 4:23 pm EST.

How long on average sun shines in December in Berkley?

The average sunshine duration in December is 4.8h.

What are the months with the lowest UV index in Berkley?

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

What is the UV index reading in December in Berkley?

In December, the average daily maximum UV index in Berkley is 2. A UV Index reading of 2, and below, represents a low health risk from unprotected exposure to 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
Berkley, MA

Average temperature in December - Berkley, MA
  • Average high temperature in December: 41.7°F

The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (35.6°F).

  • Average low temperature in December: 30.9°F

The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (23.9°F).

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Average pressure in December
Berkley, MA

Average pressure in December - Berkley, MA
  • Average pressure in December: 30.03"Hg

The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in December
Berkley, MA

Average wind speed in December - Berkley, MA
  • Average wind speed in December: 8.9mph

The windiest month (with the highest average wind speed) is March (9.8mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).

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Average humidity in December
Berkley, MA

Average humidity in December - Berkley, MA
  • Average humidity in December: 76%

The months with the highest relative humidity are June, July and September (78%).
The month with the lowest relative humidity is April (72%).

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Average rainfall in December
Berkley, MA

Average rainfall in December - Berkley, MA
  • Average rainfall in December: 3.27"

The wettest month (with the highest rainfall) is December (3.27").
The driest month (with the least rainfall) is September (1.34").

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Average rainfall days in December
Berkley, MA

Average rainfall days in December - Berkley, MA
  • Average rainfall days in December: 11.3 days

The month with the highest number of rainy days is April (16 days).
The month with the least rainy days is February (8.5 days).

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Average snowfall in December
Berkley, MA

Average snowfall in December - Berkley, MA
  • Average snowfall in December: 2.56"

The months with the highest snowfall are February and March (3.62").
The months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in December
Berkley, MA

Average snowfall days in December - Berkley, MA
  • Average snowfall days in December: 4.7 days

The month with the highest number of snowfall days is January (7 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
Berkley, MA

Average daylight in December / Average sunshine in December - Berkley, 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 12min).

  • Average sunshine in December: 4h and 5min

The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

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Average sunshine days in December
Berkley, MA

Average sunshine days in December - Berkley, MA
  • Average sunshine days in December: 16.2 days

The month with the most sunshine days is November (17.8 days).
The month with the least sunshine days is April (12.8 days).

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Average UV index in December
Berkley, MA

Average UV index in December - Berkley, 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).

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Average cloud cover in December
Berkley, MA

Average cloud cover in December - Berkley, MA
  • Average cloud cover in December: 48

The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 32).

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Average visibility in December
Berkley, MA

Average visibility in December - Berkley, MA
  • 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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Berkley, Massachusetts, USA

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