December weather forecast
Wayside, NJ

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Weather in December

The first month of the winter, December, is still a chilly month in Wayside, New Jersey, with an average temperature fluctuating between 36.3°F (2.4°C) and 44.4°F (6.9°C).

Temperature

With the onset of December, Wayside's average high-temperature slightly adjusts, moderately receding from November's cool 52.3°F (11.3°C) to a chilly 44.4°F (6.9°C). Maintaining close parity with daytime warmth, the average nocturnal temperature in Wayside during December stays at a cold 36.3°F (2.4°C).

Humidity

The average relative humidity in December is 75%.

Rainfall

In December, in Wayside, the rain falls for 8.8 days. Throughout December, 1.1" (28mm) of precipitation is accumulated. In Wayside, during the entire year, the rain falls for 122.1 days and collects up to 11.14" (283mm) of precipitation.

Snowfall

January through March, October and December are months with snowfall. The month with the most snowfall in Wayside, New Jersey, is December, when snow falls for 3.1 days and typically aggregates up to 0.47" (12mm) of snow.

Daylight

December has the shortest days of the year, with an average of 9h and 24min of daylight.
On the first day of December in Wayside, 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.

Sunshine

In Wayside, New Jersey, the average sunshine in December 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 Wayside. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: In December, the average maximum UV index of 2 translates into the following recommendations:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
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Frequently asked questions

Is it cold in Wayside during December?

The high-temperature during December is 44.4°F (6.9°C) and the low-temperature is 36.3°F (2.4°C).

What is the average humidity in December in Wayside?

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

How many days does it rain in December in Wayside?

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

When does it snow the most in Wayside?

December is the month with the most snowfall. Snow falls for 3.1 days and accumulates 0.47" (12mm) of snow.

When does it start to snow in Wayside?

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

What is the month with the shortest days in Wayside?

December has the shortest days of the year in Wayside, New Jersey, with an average of 9h and 24min of daylight.

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

The average day length in December in Wayside is 9h and 22min.

When are sunrise and sunset in December in Wayside?

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 long on average sun shines in December in Wayside?

In December, the average sunshine duration in Wayside, New Jersey, is 5.1h.

When is the lowest UV index in Wayside?

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

What is the UV index reading in December in Wayside?

The average daily maximum UV index in December in Wayside, New Jersey, is 2. A UV Index value of 2, and less, symbolizes 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
Wayside, NJ

Average temperature in December - Wayside, 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).

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Average pressure in December
Wayside, NJ

Average pressure in December - Wayside, 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
Wayside, NJ

Average wind speed in December - Wayside, 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).

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Average humidity in December
Wayside, NJ

Average humidity in December - Wayside, 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
Wayside, NJ

Average rainfall in December - Wayside, 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").

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Average rainfall days in December
Wayside, NJ

Average rainfall days in December - Wayside, 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).

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Average snowfall in December
Wayside, NJ

Average snowfall in December - Wayside, 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
Wayside, NJ

Average snowfall days in December - Wayside, NJ
  • Average snowfall days in December: 3.1 days

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

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

Average daylight in December / Average sunshine in December - Wayside, 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 48min).

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Average sunshine days in December
Wayside, NJ

Average sunshine days in December - Wayside, 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).

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Average UV index in December
Wayside, NJ

Average UV index in December - Wayside, 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, March, November and December (UV index 2).

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Average cloud cover in December
Wayside, NJ

Average cloud cover in December - Wayside, 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).

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Average visibility in December
Wayside, NJ

Average visibility in December - Wayside, 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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Wayside, New Jersey, USA

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