December weather forecast and climate
Oradell, NJ

The first month of the winter, December, is also a wintry month in Oradell, New Jersey, with temperature in the range of an average high of 41.7°F (5.4°C) and an average low of 30.9°F (-0.6°C).

Temperature

In December, the average high-temperature decreases, from a fresh 50.9°F (10.5°C) in November, to a wintry 41.7°F (5.4°C). In Oradell, the average low-temperature is 30.9°F (-0.6°C).

Humidity

In Oradell, the average relative humidity is 76%.

Rainfall

December is the month with the most rainfall. Rain falls for 10.7 days and accumulates 3.46" (88mm) of precipitation.

Snowfall

January through April, November and December are months with snowfall in Oradell, New Jersey. In Oradell, during December, snow falls for 4.6 days and regularly aggregates up to 1.93" (49mm) of snow. In Oradell, during the entire year, snow falls for 25.5 days, and aggregates up to 10.55" (268mm) of snow.

Daylight

The month with the shortest days in Oradell is December, with an average of 9.3h of daylight.

Sunshine

The average sunshine in December is 4.7h.

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 threat to health from the exposure to the Sun's UV rays for average individuals.
Note: The average daily UV index of 2 in December transform into the following instructions:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.

What is the temperature in December in Oradell?

In December, in Oradell, New Jersey, the average high-temperature is 41.7°F (5.4°C), and the average low-temperature is 30.9°F (-0.6°C).

What is the average humidity in December in Oradell?

In Oradell, New Jersey, the average relative humidity in December is 76%.

How many days does it rain in December in Oradell?

In Oradell, New Jersey, during December, the rain falls for 10.7 days and regularly aggregates up to 3.46" (88mm) of precipitation.

What is the wettest month in Oradell?

December is the month with the most rainfall. Rain falls for 10.7 days and accumulates 3.46" (88mm) of precipitation.

How many days does it snow in December in Oradell?

In Oradell, New Jersey, during December, snow falls for 4.6 days and regularly aggregates up to 1.93" (49mm) of snow.

What is the month with the shortest days in Oradell?

With an average of 9.3h of daylight, December has the shortest days of the year in Oradell.

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

In Oradell, New Jersey, the average length of the day in December is 9.3h.

How many hours of sunshine does Oradell have in December?

In December, the average sunshine is 4.7h.

What is the month with the lowest UV index in Oradell?

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

What is the UV index intensity in December in Oradell?

In Oradell, New Jersey, the average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a low health risk from the exposure to the Sun's UV rays.
Average temperature in December - Oradell, NJ
  • Average high temperature in December: 5.4°C

The warmest month (with the highest average high temperature) is July (29.4°C).
The month with the lowest average high temperature is January (1.9°C).

  • Average low temperature in December: -0.6°C

The month with the highest average low temperature is July (20°C).
The coldest month (with the lowest average low temperature) is January (-4.4°C).

Average pressure in December - Oradell, NJ
  • Average pressure in December: 1018.3mbar

The month with the highest atmospheric pressure is November (1019.4mbar).
The month with the lowest atmospheric pressure is June (1013.6mbar).

Average wind speed in December - Oradell, NJ
  • Average wind speed in December: 12.8km/h

The windiest months (with the highest average wind speed) are January and March (13.6km/h).
The calmest months (with the lowest average wind speed) are July and August (9.3km/h).

Average humidity in December - Oradell, NJ
  • Average humidity in December: 76%

The month with the highest relative humidity is February (77%).
The month with the lowest relative humidity is August (68%).

Average rainfall in December - Oradell, NJ
  • Average rainfall in December: 88mm

The wettest month (with the highest rainfall) is December (88mm).
The driest month (with the least rainfall) is September (44mm).

Average rainfall days in December - Oradell, NJ
  • Average rainfall days in December: 10.7 days

The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is January (8.2 days).

Average snowfall in December - Oradell, NJ
  • Average snowfall in December: 49mm

The month with the highest snowfall is March (78mm).
Months with the least snowfall are May, June, July, August, September and October (0mm).

Average snowfall days in December - Oradell, NJ
  • Average snowfall days in December: 4.6 days

The month with the highest number of snowfall days is January (6.9 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 - Oradell, NJ
  • Average daylight in December: 9.3h

The month with the longest days is June (Average daylight: 15.1h).
The month with the shortest days is December (Average daylight: 9.3h).

  • Average sunshine in December: 4.7h

The month with the most sunshine is July (Average sunshine: 10.3h).
The month with the least sunshine is February (Average sunshine: 4.6h).

Average sunshine days in December - Oradell, NJ
  • Average sunshine days in December: 16.8 days

Months with the most sunshine days are January and November (18.1 days).
Months with the least sunshine days are April and June (12.7 days).

Average UV index in December - Oradell, 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 - Oradell, NJ
  • Average cloud cover in December: 49

Months with the most cloud cover are February, March and December (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 32).

Average visibility in December - Oradell, NJ
  • Average visibility in December: 9km

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).