December weather forecast
Pembroke, MA

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Weather in December

The first month of the winter, December, is also an icy month in Pembroke, Massachusetts, with an average temperature fluctuating between 41.2°F (5.1°C) and 31.8°F (-0.1°C).

Temperature

With the onset of December, Pembroke's climate undergoes a slight change as the average high-temperature moves from a fresh 50°F (10°C) in November to an icy 41.2°F (5.1°C). Pembroke experiences an average low-temperature of 31.8°F (-0.1°C) in month of December.

Humidity

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

Rainfall

In Pembroke, during December, the rain falls for 8.6 days and regularly aggregates up to 1.26" (32mm) of precipitation. Throughout the year, in Pembroke, there are 123.1 rainfall days, and 13.94" (354mm) of precipitation is accumulated.

Snowfall

January through April, November and December are months with snowfall in Pembroke. In Pembroke, in December, during 3.8 snowfall days, 0.94" (24mm) of snow is typically accumulated. Throughout the year, in Pembroke, there are 22.1 snowfall days, and 5.08" (129mm) of snow is accumulated.

Daylight

December has the shortest days of the year in Pembroke, with an average of 9h and 12min of daylight.
On the first day of December in Pembroke, Massachusetts, sunrise is at 6:52 am and sunset at 4:12 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 4:21 pm EST.

Sunshine

The months with the least sunshine in Pembroke are February and December, with an average of 4.7h of sunshine.

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 estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: A daily maximum UV index of 2 in December translates into the following instructions:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
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Frequently asked questions

How cold is it in Pembroke in December?

The high-temperature in Pembroke during December is 41.2°F (5.1°C) and the low-temperature is 31.8°F (-0.1°C).

What is the average humidity in December in Pembroke?

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

How much does it rain in Pembroke in December?

In Pembroke, in December, it is raining for 8.6 days, with typically 1.26" (32mm) of accumulated precipitation.

How much does it snow in Pembroke in December?

In Pembroke, Massachusetts, in December, snow falls for 3.8 days, with typically accumulated 0.94" (24mm) of snow.

What is the month with the shortest days in Pembroke?

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

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

In December, the average day length in Pembroke, Massachusetts, is 9h and 10min.

When are sunrise and sunset in December in Pembroke?

In December, on the first day of the month, sunrise is at 6:52 am and sunset at 4:12 pm. On the last day of the month, in Pembroke, Massachusetts, sunrise is at 7:11 am and sunset at 4:21 pm EST.

What are the months with the least sunshine in Pembroke?

February and December, with an average of 4.7h of sunshine, are months with the least sunshine in Pembroke, Massachusetts.

How long on average sun shines in December in Pembroke?

In December, the average sunshine duration in Pembroke, Massachusetts, is 4.7h.

When is the lowest UV index in Pembroke?

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 in Pembroke?

In December, the average daily maximum UV index is 2. A UV Index estimate 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
Pembroke, MA

Average temperature in December - Pembroke, MA
  • Average high temperature in December: 41.2°F

The warmest month (with the highest average high temperature) is July (78.3°F).
The month with the lowest average high temperature is January (35.6°F).

  • Average low temperature in December: 31.8°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 (25.7°F).

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Average pressure in December
Pembroke, MA

Average pressure in December - Pembroke, MA
  • 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 (29.93"Hg).

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Average wind speed in December
Pembroke, MA

Average wind speed in December - Pembroke, MA
  • Average wind speed in December: 10.8mph

The windiest month (with the highest average wind speed) is January (11.5mph).
The calmest month (with the lowest average wind speed) is August (7.3mph).

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Average humidity in December
Pembroke, MA

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

The month with the highest relative humidity is June (79%).
The month with the lowest relative humidity is April (73%).

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Average rainfall in December
Pembroke, MA

Average rainfall in December - Pembroke, MA
  • Average rainfall in December: 1.26"

The wettest month (with the highest rainfall) is July (1.46").
The driest months (with the least rainfall) are February and September (0.91").

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Average rainfall days in December
Pembroke, MA

Average rainfall days in December - Pembroke, MA
  • Average rainfall days in December: 8.6 days

The month with the highest number of rainy days is July (13.2 days).
The months with the least rainy days are January and February (6.8 days).

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Average snowfall in December
Pembroke, MA

Average snowfall in December - Pembroke, MA
  • Average snowfall in December: 0.94"

The month with the highest snowfall is March (1.5").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in December
Pembroke, MA

Average snowfall days in December - Pembroke, MA
  • Average snowfall days in December: 3.8 days

The month with the highest number of snowfall days is January (6 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

Average daylight in December / Average sunshine in December - Pembroke, 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 4min

The month with the most sunshine is August (Average sunshine: 10h and 36min).
The months with the least sunshine are February and December (Average sunshine: 4h and 42min).

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Average sunshine days in December
Pembroke, MA

Average sunshine days in December - Pembroke, MA
  • Average sunshine days in December: 19.3 days

The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is April (14.9 days).

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Average UV index in December
Pembroke, MA

Average UV index in December - Pembroke, 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
Pembroke, MA

Average cloud cover in December - Pembroke, 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 30).

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Average visibility in December
Pembroke, MA

Average visibility in December - Pembroke, 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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Pembroke, Massachusetts, USA

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