December weather forecast and climate
Wanamassa, NJ

Weather in December

December, the first month of the winter, in Wanamassa, is also a frosty month, with average temperature ranging between max 44.4°F (6.9°C) and min 36.3°F (2.4°C).

Temperature

In Wanamassa, the average high-temperature slightly decreases, from a fresh 52.3°F (11.3°C) in November, to a frosty 44.4°F (6.9°C). In Wanamassa, New Jersey, the average low-temperature is 36.3°F (2.4°C).

Humidity

In December, the average relative humidity in Wanamassa is 75%.

Rainfall

In December, in Wanamassa, the rain falls for 8.8 days. Throughout December, 1.1" (28mm) of precipitation is accumulated. Throughout the year, in Wanamassa, New Jersey, there are 122.1 rainfall days, and 11.14" (283mm) of precipitation is accumulated.

Snowfall

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

Daylight

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

Sunshine

In Wanamassa, 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. A UV Index reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to the Sun's UV rays for ordinary 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. 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.
[Resources]

FAQ

What is the temperature in December in Wanamassa?

The average high-temperature, in December, in Wanamassa, is 44.4°F (6.9°C), while the average low-temperature is 36.3°F (2.4°C).

What is the average humidity in December in Wanamassa?

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

How much does it rain in Wanamassa in December?

In Wanamassa, New Jersey, in December, it is raining for 8.8 days, with typically 1.1" (28mm) of accumulated precipitation.

When does it start snowing in Wanamassa?

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

What is the snowiest month in Wanamassa?

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

What is the month with the shortest days in Wanamassa?

The month with the shortest days in Wanamassa, New Jersey, is December, with an average of 9.4h of daylight.

How many hours of daylight does Wanamassa have in December?

In Wanamassa, the average length of the day in December is 9.4h.

How many hours of sunshine does Wanamassa have in December?

The average sunshine in December is 5.1h.

When is the lowest UV index in Wanamassa?

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

How high is the UV index in December in Wanamassa?

In December, the average daily maximum UV index in Wanamassa, New Jersey, is 2. A UV Index estimate of 2, and below, represents a low health threat from the exposure to the Sun's UV radiation.

Average temperature in December
Wanamassa, NJ

Average temperature in December - Wanamassa, 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).

[Resources]

Average pressure in December
Wanamassa, NJ

Average pressure in December - Wanamassa, 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").

[Resources]

Average wind speed in December
Wanamassa, NJ

Average wind speed in December - Wanamassa, 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).

[Resources]

Average humidity in December
Wanamassa, NJ

Average humidity in December - Wanamassa, 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%).

[Resources]

Average rainfall in December
Wanamassa, NJ

Average rainfall in December - Wanamassa, 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").

[Resources]

Average rainfall days in December
Wanamassa, NJ

Average rainfall days in December - Wanamassa, 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).

[Resources]

Average snowfall in December
Wanamassa, NJ

Average snowfall in December - Wanamassa, 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").

[Resources]

Average snowfall days in December
Wanamassa, NJ

Average snowfall days in December - Wanamassa, 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).

[Resources]

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

Average daylight in December / Average sunshine in December - Wanamassa, 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).

[Resources]

Average sunshine days in December
Wanamassa, NJ

Average sunshine days in December - Wanamassa, 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).

[Resources]

Average UV index in December
Wanamassa, NJ

Average UV index in December - Wanamassa, 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).

[Resources]

Average cloud cover in December
Wanamassa, NJ

Average cloud cover in December - Wanamassa, 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).

[Resources]

Average visibility in December
Wanamassa, NJ

Average visibility in December - Wanamassa, 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).

[Resources]