December weather forecast
Pocasset, MA

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Weather in December

December, the first month of the winter in Pocasset, is still a chilly month, with an average temperature ranging between min 35.6°F (2°C) and max 43.3°F (6.3°C).

Temperature

In the transition to December, Pocasset observes a minor drop in the average high-temperature, shifting from a fresh 50.9°F (10.5°C) in November to a frosty 43.3°F (6.3°C). A modest dip in temperatures to an average of 35.6°F (2°C) is observed throughout Pocasset's December nights.

Humidity

In December, the average relative humidity is 75%.

Rainfall

The month with the most rainfall in Pocasset is December, when the rain falls for 12.7 days and typically aggregates up to 3.7" (94mm) of precipitation.

Snowfall

January through April, November and December are months with snowfall in Pocasset. In December, in Pocasset, it is snowing for 3.5 days. Throughout December, 0.91" (23mm) of snow is accumulated. Throughout the year, there are 21 snowfall days, and 7.05" (179mm) of snow is accumulated.

Ocean temperature

In December, the average ocean temperature is 46.9°F (8.3°C).
Note: Diving into 46.9°F (8.3°C) is practical below 50°F (10°C), given you're wearing protective swim gear; without it, expect a quick onset of cold shock and a struggle to breathe. Merely touching waters at 55.4°F (13°C) feels ice-cold.

Daylight

December has the shortest days of the year in Pocasset, with an average of 9h and 12min of daylight.
On the first day of the month, sunrise is at 6:50 am and sunset at 4:12 pm. On the last day of December, in Pocasset, sunrise is at 7:09 am and sunset at 4:22 pm EST.

Sunshine

The average sunshine in December is 4.7h.

UV index

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Pocasset. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum daily UV index of 2 in December converts into the following recommendations:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
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Frequently asked questions

How cold is it in Pocasset in December?

The average high-temperature, in December, in Pocasset, is 43.3°F (6.3°C), while the average low-temperature is 35.6°F (2°C).

What is the average humidity in December in Pocasset?

The average relative humidity in December is 75%.

What is the wettest month in Pocasset?

The month with the most rainfall in Pocasset is December, when the rain falls for 12.7 days and typically aggregates up to 3.7" (94mm) of precipitation.

How many days does it rain in December in Pocasset?

In Pocasset, during December, the rain falls for 12.7 days and regularly aggregates up to 3.7" (94mm) of precipitation.

How much does it snow in Pocasset in December?

In Pocasset, in December, during 3.5 snowfall days, 0.91" (23mm) of snow is typically accumulated.

What is the water temperature in December in Pocasset?

In December, the average ocean temperature in Pocasset is 46.9°F (8.3°C). Swimming in 46.9°F (8.3°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

What is the month with the shortest days in Pocasset?

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

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

In December, the average day length in Pocasset is 9h and 13min.

What time are sunrise and sunset in December in Pocasset?

On the first day of December in Pocasset, Massachusetts, sunrise is at 6:50 am and sunset at 4:12 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 4:22 pm EST.

How many hours of sunshine does Pocasset have in December?

The average sunshine duration in December is 4.7h.

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

The months with the lowest UV index in Pocasset, 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 Pocasset?

In Pocasset, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a low health threat 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
Pocasset, MA

Average temperature in December - Pocasset, MA
  • Average high temperature in December: 43.3°F

The warmest month (with the highest average high temperature) is August (73.6°F).
The month with the lowest average high temperature is January (37.9°F).

  • Average low temperature in December: 35.6°F

The month with the highest average low temperature is August (68.4°F).
The coldest month (with the lowest average low temperature) is January (29.7°F).

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Average pressure in December
Pocasset, MA

Average pressure in December - Pocasset, 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
Pocasset, MA

Average wind speed in December - Pocasset, MA
  • Average wind speed in December: 14.9mph

The windiest month (with the highest average wind speed) is January (15.3mph).
The calmest month (with the lowest average wind speed) is August (9.9mph).

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Average humidity in December
Pocasset, MA

Average humidity in December - Pocasset, MA
  • Average humidity in December: 75%

The months with the highest relative humidity are May, June and July (82%).
The month with the lowest relative humidity is November (74%).

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Average rainfall in December
Pocasset, MA

Average rainfall in December - Pocasset, MA
  • Average rainfall in December: 3.7"

The wettest month (with the highest rainfall) is December (3.7").
The driest month (with the least rainfall) is September (1.85").

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Average rainfall days in December
Pocasset, MA

Average rainfall days in December - Pocasset, MA
  • Average rainfall days in December: 12.7 days

The month with the highest number of rainy days is April (15.6 days).
The month with the least rainy days is January (9.3 days).

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Average snowfall in December
Pocasset, MA

Average snowfall in December - Pocasset, MA
  • Average snowfall in December: 0.91"

The month with the highest snowfall is March (2.36").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in December
Pocasset, MA

Average snowfall days in December - Pocasset, MA
  • Average snowfall days in December: 3.5 days

The month with the highest number of snowfall days is January (6.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average sea temperature in December
Pocasset, MA

Average sea temperature in December - Pocasset, MA
  • Average sea temperature in December: 46.9°F

The best month for swimming (with the highest average sea temperature) is August (68.4°F).
The coldest month (with the lowest average sea temperature) is February (38.2°F).

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

Average daylight in December / Average sunshine in December - Pocasset, 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 42min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

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Average sunshine days in December
Pocasset, MA

Average sunshine days in December - Pocasset, MA
  • Average sunshine days in December: 15.1 days

The month with the most sunshine days is September (16.7 days).
The month with the least sunshine days is April (13 days).

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Average UV index in December
Pocasset, MA

Average UV index in December - Pocasset, MA
  • Average UV index in December: 2

The months with the highest UV index are 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
Pocasset, MA

Average cloud cover in December - Pocasset, MA
  • Average cloud cover in December: 50

The months with the most cloud cover are March and December (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 28).

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Average visibility in December
Pocasset, MA

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

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