December weather forecast
Shrewsbury, NJ

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Weather in December

The first month of the winter, December, is still a chilly month in Shrewsbury, New Jersey, with an average temperature ranging between max 44.2°F (6.8°C) and min 36°F (2.2°C).

Temperature

With the beginning of December, the average high-temperature shows a small decrease, transitioning from a cool 52.3°F (11.3°C) in November to a chilly 44.2°F (6.8°C). Shrewsbury's December nights demonstrate minimal variation from the daytime temperatures, with an average of 36°F (2.2°C).

Humidity

The average relative humidity in December in Shrewsbury is 75%.

Rainfall

In Shrewsbury, during December, the rain falls for 9.2 days and regularly aggregates up to 1.18" (30mm) of precipitation. In Shrewsbury, New Jersey, during the entire year, the rain falls for 125.1 days and collects up to 12.64" (321mm) of precipitation.

Snowfall

January through March, October and December are months with snowfall in Shrewsbury. December is the month with the most snowfall. Snow falls for 3.3 days and accumulates 0.47" (12mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9h and 24min of daylight.
On the first day of the month, sunrise is at 7:00 am and sunset at 4:30 pm. On the last day of December, in Shrewsbury, sunrise is at 7:18 am and sunset at 4:40 pm EST.

Sunshine

The average sunshine in December is 5.1h.

UV index

January, February, 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 health risk from unsafe exposure to UV radiation for the ordinary person.
Note: In December, the maximum UV index of 2 transforms into these recommendations:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
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Frequently asked questions

How cold is December in Shrewsbury?

During December, Shrewsbury experiences an average high-temperature of 44.2°F (6.8°C) and a low-temperature of 36°F (2.2°C).

What is the average humidity in December in Shrewsbury?

In December, the average relative humidity in Shrewsbury, New Jersey, is 75%.

How many days does it rain in December in Shrewsbury?

In Shrewsbury, New Jersey, during December, the rain falls for 9.2 days and regularly aggregates up to 1.18" (30mm) of precipitation.

When does it snow the most in Shrewsbury?

December is the month with the most snowfall in Shrewsbury, New Jersey. Snow falls for 3.3 days and accumulates 0.47" (12mm) of snow.

When does it start to snow in Shrewsbury?

December is the first month it typically snows in Shrewsbury, New Jersey. Throughout December, in the average 3.3 snowfall days, it receives 0.47" (12mm) of snow.

What is the month with the shortest days in Shrewsbury?

The month with the shortest days is December, with an average of 9h and 24min of daylight.

How many hours of daylight does Shrewsbury have in December?

In December, the average day length in Shrewsbury, New Jersey, is 9h and 21min.

When is the sunrise / sunset in December in Shrewsbury?

On the first day of December, sunrise is at 7:00 am and sunset at 4:30 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 4:40 pm EST.

How many hours of sunshine does Shrewsbury have in December?

In December, the average sunshine duration in Shrewsbury is 5.1h.

When is the lowest UV index in Shrewsbury?

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Shrewsbury, New Jersey.

What is the UV index intensity in December in Shrewsbury?

In Shrewsbury, New Jersey, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a minimal hazard to health from exposure to the Sun's 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
Shrewsbury, NJ

Average temperature in December - Shrewsbury, NJ
  • Average high temperature in December: 44.2°F

The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (37.9°F).

  • Average low temperature in December: 36°F

The month with the highest average low temperature is July (71.2°F).
The coldest month (with the lowest average low temperature) is January (28.8°F).

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Average pressure in December
Shrewsbury, NJ

Average pressure in December - Shrewsbury, NJ
  • Average pressure in December: 30.08"Hg

The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in December
Shrewsbury, NJ

Average wind speed in December - Shrewsbury, NJ
  • Average wind speed in December: 11.7mph

The windiest month (with the highest average wind speed) is January (12.4mph).
The calmest month (with the lowest average wind speed) is July (7.9mph).

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Average humidity in December
Shrewsbury, NJ

Average humidity in December - Shrewsbury, NJ
  • Average humidity in December: 75%

The months with the highest relative humidity are May and June (79%).
The month with the lowest relative humidity is November (73%).

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Average rainfall in December
Shrewsbury, NJ

Average rainfall in December - Shrewsbury, NJ
  • Average rainfall in December: 1.18"

The wettest month (with the highest rainfall) is July (1.61").
The driest month (with the least rainfall) is January (0.63").

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Average rainfall days in December
Shrewsbury, NJ

Average rainfall days in December - Shrewsbury, NJ
  • Average rainfall days in December: 9.2 days

The month with the highest number of rainy days is July (15.1 days).
The month with the least rainy days is January (6.5 days).

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Average snowfall in December
Shrewsbury, NJ

Average snowfall in December - Shrewsbury, NJ
  • Average snowfall in December: 0.47"

The month with the highest snowfall is December (0.47").
The months with the least snowfall are April, May, June, July, August, September and November (0").

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Average snowfall days in December
Shrewsbury, NJ

Average snowfall days in December - Shrewsbury, NJ
  • Average snowfall days in December: 3.3 days

The month with the highest number of snowfall days is January (3.9 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Shrewsbury, NJ
  • Average daylight in December: 9h and 2min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in December: 5h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).

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Average sunshine days in December
Shrewsbury, NJ

Average sunshine days in December - Shrewsbury, NJ
  • Average sunshine days in December: 19.1 days

The month with the most sunshine days is November (21.6 days).
The month with the least sunshine days is July (13 days).

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Average UV index in December
Shrewsbury, NJ

Average UV index in December - Shrewsbury, NJ
  • 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, November and December (UV index 2).

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Average cloud cover in December
Shrewsbury, NJ

Average cloud cover in December - Shrewsbury, NJ
  • Average cloud cover in December: 46

The month with the most cloud cover is February (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 28).

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Average visibility in December
Shrewsbury, NJ

Average visibility in December - Shrewsbury, NJ
  • 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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Shrewsbury, New Jersey, USA

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