December weather forecast
Shrewsbury, MA

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A bench in the neat lawns of Pean Park in Shrewsbury, Massachusetts, near the calm lake water surrounded by golden and brown trees
A bench in the neat lawns of Pean Park in Shrewsbury, Massachusetts, near the calm lake water surrounded by golden and brown trees

Weather in December

December in Shrewsbury is a true winter month, displaying some of the coldest weather of the year. It is a time filled with festive cheer, and the nip in the air adds to the holiday spirit. The month ends the year with a considerable increase in snowfall, tallying around 4.33" (110mm). As the last month of the year, December brings along holiday celebrations along with winter sports activities. Despite the cold, the wintry charm of Shrewsbury in December is worth experiencing.

Temperature

With December's arrival, Shrewsbury's weather changes as the average high-temperature falls from a frosty 47.3°F (8.5°C) in November to a wintry 37.4°F (3°C). An average low-temperature of 26.6°F (-3°C) is recorded during the nights in December.

Humidity

In December, the average relative humidity 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 Shrewsbury, in December, snow falls for 5.6 days, with typically accumulated 4.33" (110mm) of snow. In Shrewsbury, during the entire year, snow falls for 36.5 days and aggregates up to 23.82" (605mm) of snow.

Daylight

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

Sunshine

The average sunshine in December 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 in Shrewsbury. A UV Index reading of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: In December, a regular UV index of 2 translates into these guidelines:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Enhance your sun protection with tightly woven, yet airy clothing. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
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Frequently asked questions

How cold is December in Shrewsbury?

In December, the average high-temperature and low-temperature in Shrewsbury are 37.4°F (3°C) and 26.6°F (-3°C) respectively. The average heat index (a.k.a. 'apparent temperature', 'feels like'), which factors the actual air temperature with the relative humidity, in July is calculated to be 87.8°F (31°C).

What is the average humidity in December in Shrewsbury?

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

What is the wettest month in Shrewsbury?

December is the month with the most rainfall. Rain falls for 10.7 days and accumulates 2.91" (74mm) of precipitation.

How many days does it rain in December in Shrewsbury?

In Shrewsbury, Massachusetts, in December, it is raining for 10.7 days, with typically 2.91" (74mm) of accumulated precipitation.

How many days does it snow in December in Shrewsbury?

In Shrewsbury, Massachusetts, in December, snow falls for 5.6 days, with typically accumulated 4.33" (110mm) of snow.

What is the month with the shortest days in Shrewsbury?

December has the shortest days of the year in Shrewsbury, with an average of 9h and 6min of daylight.

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

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

When is the sunrise / sunset in December in Shrewsbury?

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

How long on average sun shines in December in Shrewsbury?

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

What is the month with the lowest UV index in Shrewsbury?

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

How high is the UV index in December in Shrewsbury?

In Shrewsbury, the average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a minimal hazard to health from 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
Shrewsbury, MA

Average temperature in December - Shrewsbury, 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).

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Average pressure in December
Shrewsbury, MA

Average pressure in December - Shrewsbury, 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).

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Average wind speed in December
Shrewsbury, MA

Average wind speed in December - Shrewsbury, 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).

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Average humidity in December
Shrewsbury, MA

Average humidity in December - Shrewsbury, 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%).

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Average rainfall in December
Shrewsbury, MA

Average rainfall in December - Shrewsbury, 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").

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Average rainfall days in December
Shrewsbury, MA

Average rainfall days in December - Shrewsbury, 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).

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Average snowfall in December
Shrewsbury, MA

Average snowfall in December - Shrewsbury, 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").

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Average snowfall days in December
Shrewsbury, MA

Average snowfall days in December - Shrewsbury, 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).

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

Average daylight in December / Average sunshine in December - Shrewsbury, 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).

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Average sunshine days in December
Shrewsbury, MA

Average sunshine days in December - Shrewsbury, 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).

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Average UV index in December
Shrewsbury, MA

Average UV index in December - Shrewsbury, 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
Shrewsbury, MA

Average cloud cover in December - Shrewsbury, 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).

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Average visibility in December
Shrewsbury, MA

Average visibility in December - Shrewsbury, 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).

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Shrewsbury, Massachusetts, USA

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