December weather forecast and climate
Van Hiseville, NJ

The first month of the winter, December, is also a frosty month in Van Hiseville, New Jersey, with average temperature fluctuating between 44.6°F (7°C) and 34.3°F (1.3°C).

Temperature

In Van Hiseville, the average high-temperature in December marginally drops, from a fresh 52.7°F (11.5°C) in November, to a frosty 44.6°F (7°C). In Van Hiseville, the average low-temperature is 34.3°F (1.3°C).

Humidity

In Van Hiseville, New Jersey, the average relative humidity in December is 78%.

Rainfall

In Van Hiseville, during December, the rain falls for 8.1 days and regularly aggregates up to 1.06" (27mm) of precipitation. Throughout the year, there are 114.4 rainfall days, and 10.28" (261mm) of precipitation is accumulated.

Snowfall

January through March, November and December are months with snowfall in Van Hiseville, New Jersey. In Van Hiseville, snow falls for 2.2 days, with typically accumulated 0.59" (15mm) of snow. In Van Hiseville, during the entire year, snow falls for 12.4 days, and aggregates up to 2.36" (60mm) of snow.

Daylight

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

Sunshine

In Van Hiseville, the average sunshine 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 in Van Hiseville. A UV Index of 2, and less, symbolizes a minimal health hazard from unsafe exposure to the UV radiation for ordinary individuals.
Note: In December, the average maximum UV index of 2 translate into the following recommendations:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. 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. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.

What is the temperature in December in Van Hiseville?

In Van Hiseville, New Jersey, in December, the average high-temperature is 44.6°F (7°C), and the average low-temperature is 34.3°F (1.3°C).

What is the average humidity in December in Van Hiseville?

The average relative humidity in December in Van Hiseville, New Jersey, is 78%.

How much does it rain in Van Hiseville in December?

In Van Hiseville, New Jersey, in December, during 8.1 rainfall days, 1.06" (27mm) of precipitation is typically accumulated.

How much does it snow in Van Hiseville in December?

In Van Hiseville, during December, snow falls for 2.2 days and regularly aggregates up to 0.59" (15mm) of snow.

What is the month with the shortest days in Van Hiseville?

With an average of 9.4h of daylight, December has the shortest days of the year in Van Hiseville, New Jersey.

How many hours of daylight does Van Hiseville have in December?

In Van Hiseville, New Jersey, the average length of the day in December is 9.4h.

How long on average sun shines in December in Van Hiseville?

In Van Hiseville, the average sunshine in December is 5.1h.

What are the months with the lowest UV index in Van Hiseville?

Months with the lowest UV index in Van Hiseville are January, February, November and December, with an average maximum UV index of 2.

What is the UV index intensity in December in Van Hiseville?

The average daily maximum UV index in December in Van Hiseville is 2. A UV Index of 2, and less, symbolizes a low health threat from the exposure to the Sun's UV rays.
Average temperature in December - Van Hiseville, NJ
  • Average high temperature in December: 44.6°F

The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (37.9°F).

  • Average low temperature in December: 34.3°F

The month with the highest average low temperature is July (69.1°F).
The coldest month (with the lowest average low temperature) is January (27°F).

Average pressure in December - Van Hiseville, 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 - Van Hiseville, NJ
  • Average wind speed in December: 9.3mph

The windiest month (with the highest average wind speed) is March (10mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).

Average humidity in December - Van Hiseville, NJ
  • Average humidity in December: 78%

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

Average rainfall in December - Van Hiseville, NJ
  • Average rainfall in December: 1.06"

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

Average rainfall days in December - Van Hiseville, NJ
  • Average rainfall days in December: 8.1 days

The month with the highest number of rainy days is July (13.7 days).
The month with the least rainy days is January (5.6 days).

Average snowfall in December - Van Hiseville, NJ
  • Average snowfall in December: 0.59"

The month with the highest snowfall is January (0.63").
Months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in December - Van Hiseville, NJ
  • Average snowfall days in December: 2.2 days

The month with the highest number of snowfall days is January (3.7 days).
Months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in December / Average sunshine in December - Van Hiseville, 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: 10.6h).
The month with the least sunshine is February (Average sunshine: 4.8h).

Average sunshine days in December - Van Hiseville, NJ
  • Average sunshine days in December: 21.5 days

The month with the most sunshine days is January (22.3 days).
The month with the least sunshine days is July (14.1 days).

Average UV index in December - Van Hiseville, 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, November and December (UV index 2).

Average cloud cover in December - Van Hiseville, NJ
  • Average cloud cover in December: 47

The month with the most cloud cover is February (Cloud cover 48).
Months with the least cloud cover are July and August (Cloud cover 30).

Average visibility in December - Van Hiseville, 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).