December weather forecastMacedonia, NJ

December

Weather in December

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

Temperature

The onset of December brings a small shift in high-temperatures, falling from a fresh 52.3°F (11.3°C) in November to a chilly 44.4°F (6.9°C). In the month of December, Macedonia experiences a minor discrepancy from peak daytime temperatures, settling at an average low-temperature of 36.3°F (2.4°C).

Humidity

In December, the average relative humidity is 75%.

Rainfall

In Macedonia, New Jersey, in December, it is raining for 8.8 days, with typically 1.1" (28mm) of accumulated precipitation. In Macedonia, during the entire year, the rain falls for 122.1 days and collects up to 11.14" (283mm) of precipitation.

Snowfall

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

Daylight

With an average of 9h and 24min of daylight, December has the shortest days of the year.
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, sunrise is at 7:18 am and sunset at 4:40 pm EST.

Sunshine

In December, 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. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for the average person.
Note: The daily high UV index of 2 during December translates into the following recommendations:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Boost your sun resistance with garments that are densely woven yet spacious. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.

Frequently asked questions

During December, Macedonia experiences an average high-temperature of 44.4°F (6.9°C) and a low-temperature of 36.3°F (2.4°C).

The average relative humidity in December is 75%.

In December, the rain falls for 8.8 days. Throughout December, 1.1" (28mm) of precipitation is accumulated.

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

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

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

In December, the average day length in Macedonia is 9h and 22min.

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

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

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

In Macedonia, 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 unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Macedonia, 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
Macedonia, 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).

Average wind speed in December
Macedonia, 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
Macedonia, 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%).

Average rainfall in December
Macedonia, 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
Macedonia, 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
Macedonia, 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").

Average snowfall days in December
Macedonia, 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).

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

  • Average daylight in December: 9h and 24min

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 6min

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).

Average sunshine days in December
Macedonia, 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
Macedonia, 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).

Average cloud cover in December
Macedonia, 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
Macedonia, 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).