December weather forecast
Sandersdale, MA

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Weather in December

The first month of the winter, December, is still a cold month in Sandersdale, Massachusetts, with temperature in the range of an average low of 26.1°F (-3.3°C) and an average high of 37°F (2.8°C).

Temperature

The shift from November to December corresponds with a decrease in the average high-temperature, down to a cold 37°F (2.8°C) from a frosty 47.3°F (8.5°C). Sandersdale, during the month of December, experiences an average low-temperature of 26.1°F (-3.3°C).

Humidity

In December, the average relative humidity in Sandersdale, Massachusetts, is 79%.

Rainfall

In Sandersdale, in December, it is raining for 9.4 days, with typically 2.64" (67mm) of accumulated precipitation. In Sandersdale, during the entire year, the rain falls for 148.3 days and collects up to 29.21" (742mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. In Sandersdale, during December, snow falls for 5.7 days and regularly aggregates up to 3.03" (77mm) of snow. In Sandersdale, during the entire year, snow falls for 35.3 days and aggregates up to 19.53" (496mm) of snow.

Daylight

December has the shortest days of the year, with an average of 9h and 12min of daylight.
On the first day of December, sunrise is at 6:57 am and sunset at 4:17 pm. On the last day of the month, sunrise is at 7:16 am and sunset at 4:26 pm EST.

Sunshine

In Sandersdale, the average sunshine in December is 4.5h.

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 of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: In December, the maximum UV index of 2 transforms into these recommendations:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.

Frequently asked questions

How cold is it in December?

In December, the average high-temperature and low-temperature are 37°F (2.8°C) and 26.1°F (-3.3°C) respectively. In July, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which factors the actual air temperature with the relative humidity, is calculated to be 86°F (30°C).

What is the average humidity in December?

In Sandersdale, the average relative humidity in December is 79%.

How many days does it rain in December?

In Sandersdale, during December, the rain falls for 9.4 days and regularly aggregates up to 2.64" (67mm) of precipitation.

How much does it snow in December?

In Sandersdale, in December, snow falls for 5.7 days, with typically accumulated 3.03" (77mm) of snow.

What is the month with the shortest days?

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

How many hours of daylight does Sandersdale have in December?

The average day length in December is 9h and 10min.

When is the sunrise / sunset in December?

In December, on the first day of the month, sunrise is at 6:57 am and sunset at 4:17 pm. On the last day of the month, in Sandersdale, sunrise is at 7:16 am and sunset at 4:26 pm EST.

How many hours of sunshine does Sandersdale have in December?

In December, the average sunshine duration is 4.5h.

What are the months 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?

In December, the average daily maximum UV index is 2. A UV Index value of 2, and less, symbolizes a minimal hazard to health 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
Sandersdale, MA

Average temperature in December - Sandersdale, MA
  • Average high temperature in December: 37°F

The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (31.3°F).

  • Average low temperature in December: 26.1°F

The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (19°F).

Average pressure in December
Sandersdale, MA

Average pressure in December - Sandersdale, MA
  • Average pressure in December: 30.04"Hg

The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in December
Sandersdale, MA

Average wind speed in December - Sandersdale, MA
  • Average wind speed in December: 8.5mph

The windiest months (with the highest average wind speed) are January and February (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).

Average humidity in December
Sandersdale, MA

Average humidity in December - Sandersdale, MA
  • Average humidity in December: 79%

The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is April (73%).

Average rainfall in December
Sandersdale, MA

Average rainfall in December - Sandersdale, MA
  • Average rainfall in December: 2.64"

The wettest month (with the highest rainfall) is July (2.76").
The driest month (with the least rainfall) is September (1.65").

Average rainfall days in December
Sandersdale, MA

Average rainfall days in December - Sandersdale, MA
  • Average rainfall days in December: 9.4 days

The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is January (7.1 days).

Average snowfall in December
Sandersdale, MA

Average snowfall in December - Sandersdale, MA
  • Average snowfall in December: 3.03"

The month with the highest snowfall is February (4.88").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Sandersdale, MA

Average snowfall days in December - Sandersdale, MA
  • Average snowfall days in December: 5.7 days

The month with the highest number of snowfall days is January (8.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Sandersdale, 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 3min

The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).

Average sunshine days in December
Sandersdale, MA

Average sunshine days in December - Sandersdale, MA
  • Average sunshine days in December: 17.1 days

The month with the most sunshine days is November (18.2 days).
The month with the least sunshine days is June (13.1 days).

Average UV index in December
Sandersdale, MA

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

The months with the highest UV index are June and July (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
Sandersdale, MA

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

The month with the most cloud cover is March (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 37).

Average visibility in December
Sandersdale, MA

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

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

Sandersdale, Massachusetts, USA

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