December weather forecast and climate
Wertheins Corner, NJ

The first month of the winter, December, is also a frosty month in Wertheins Corner, New Jersey, with temperature in the range of an average high of 44.4°F (6.9°C) and an average low of 36.3°F (2.4°C).

Temperature

In Wertheins Corner, the average high-temperature marginally drops, from a cool 52.3°F (11.3°C) in November, to a chilly 44.4°F (6.9°C). In Wertheins Corner, in December, the average low-temperature is 36.3°F (2.4°C).

Humidity

In December, the average relative humidity is 75%.

Rainfall

In Wertheins Corner, New Jersey, during December, the rain falls for 8.8 days and regularly aggregates up to 1.1" (28mm) of precipitation. Throughout the year, there are 122.1 rainfall days, and 11.14" (283mm) of precipitation is accumulated.

Snowfall

January through March, October and December are months with snowfall in Wertheins Corner. December is the month with the most snowfall in Wertheins Corner. Snow falls for 3.1 days and accumulates 0.47" (12mm) of snow.

Daylight

With an average of 9.4h of daylight, December has the shortest days of the year.

Sunshine

In Wertheins Corner, New Jersey, the average sunshine is 5.1h.

UV index

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Wertheins Corner. A UV Index estimate of 2, and below, represents a low threat to health from the exposure to the Sun's UV radiation for the average person.
Note: The daily maximum UV index of 2 in December interpret into the following advice:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.

What is the temperature in December in Wertheins Corner?

In December, in Wertheins Corner, New Jersey, the average high-temperature is 44.4°F (6.9°C), and the average low-temperature is 36.3°F (2.4°C).

What is the average humidity in December in Wertheins Corner?

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

How many days does it rain in December in Wertheins Corner?

In Wertheins Corner, New Jersey, during December, the rain falls for 8.8 days and regularly aggregates up to 1.1" (28mm) of precipitation.

When does it start to snow in Wertheins Corner?

December is the first month it typically snows in Wertheins Corner, New Jersey. Throughout December, in the average 3.1 snowfall days, it receives 0.47" (12mm) of snow.

What is the snowiest month in Wertheins Corner?

The month with the most snowfall in Wertheins Corner is December when snow falls for 3.1 days and typically aggregates up to 0.47" (12mm) of snow.

What is the month with the shortest days in Wertheins Corner?

December has the shortest days of the year in Wertheins Corner, with an average of 9.4h of daylight.

How many hours of daylight does Wertheins Corner have in December?

The average length of the day in December in Wertheins Corner, New Jersey, is 9.4h.

How long on average sun shines in December in Wertheins Corner?

The average sunshine in December in Wertheins Corner is 5.1h.

What are the months with the lowest UV index in Wertheins Corner?

Months with the lowest UV index in Wertheins Corner, New Jersey, are January through March, November and December, with an average maximum UV index of 2.

How high is the UV index in December in Wertheins Corner?

The average daily maximum UV index in December in Wertheins Corner is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to the Sun's UV rays.
Average temperature in December - Wertheins Corner, NJ
  • Average high temperature in December: 44.4°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 (38.3°F).

  • Average low temperature in December: 36.3°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 (28.9°F).

Average pressure in December - Wertheins Corner, NJ
  • Average pressure in December: 30.08"

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

Average wind speed in December - Wertheins Corner, NJ
  • Average wind speed in December: 11.9mph

The windiest month (with the highest average wind speed) is January (12.6mph).
The calmest month (with the lowest average wind speed) is July (8mph).

Average humidity in December - Wertheins Corner, NJ
  • Average humidity in December: 75%

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

Average rainfall in December - Wertheins Corner, NJ
  • Average rainfall in December: 1.1"

The wettest month (with the highest rainfall) is July (1.38").
The driest month (with the least rainfall) is January (0.55").

Average rainfall days in December - Wertheins Corner, NJ
  • Average rainfall days in December: 8.8 days

The month with the highest number of rainy days is July (14.6 days).
The month with the least rainy days is November (6.8 days).

Average snowfall in December - Wertheins Corner, NJ
  • Average snowfall in December: 0.47"

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

Average snowfall days in December - Wertheins Corner, NJ
  • Average snowfall days in December: 3.1 days

The month with the highest number of snowfall days is January (4.2 days).
Months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in December / Average sunshine in December - Wertheins Corner, NJ
  • Average daylight in December: 9.4h

The month with the longest days is June (Average daylight: 15h).
The month with the shortest days is December (Average daylight: 9.4h).

  • Average sunshine in December: 5.1h

The month with the most sunshine is July (Average sunshine: 10.8h).
The month with the least sunshine is February (Average sunshine: 4.8h).

Average sunshine days in December - Wertheins Corner, NJ
  • Average sunshine days in December: 19.1 days

The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is July (14.3 days).

Average UV index in December - Wertheins Corner, NJ
  • Average UV index in December: 2

Months with the highest UV index are June, July and August (UV index 6).
Months with the lowest UV index are January, February, March, November and December (UV index 2).

Average cloud cover in December - Wertheins Corner, NJ
  • Average cloud cover in December: 46

The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 27).

Average visibility in December - Wertheins Corner, NJ
  • Average visibility in December: 6mi

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