December weather forecast
Lanes Mills, NJ

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Weather in December

December, the first month of the winter in Lanes Mills, is still a chilly month, with an average temperature varying between 44.4°F (6.9°C) and 36.1°F (2.3°C).

Temperature

The average high-temperature shows a slight dip in December, from November's cool 52.7°F (11.5°C) to a chilly 44.4°F (6.9°C). December nights cool to an average low-temperature of 36.1°F (2.3°C), a marginal decrease from its daytime equivalent.

Humidity

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

Rainfall

In December, the rain falls for 10 days. Throughout December, 1.69" (43mm) of precipitation is accumulated. In Lanes Mills, during the entire year, the rain falls for 137.7 days and collects up to 19.09" (485mm) of precipitation.

Snowfall

Months with snowfall in Lanes Mills are January through March, November and December. In December, in Lanes Mills, it is snowing for 2.4 days. Throughout December, 0.79" (20mm) of snow is accumulated. In Lanes Mills, during the entire year, snow falls for 13.8 days and aggregates up to 3.27" (83mm) 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, sunrise is at 7:00 am and sunset at 4:31 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 4:41 pm EST.

Sunshine

The average sunshine in December in Lanes Mills, New Jersey, is 5.1h.

UV index

The months with the lowest UV index in Lanes Mills are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: A maximum high daily UV index of 2 during December translates into the following directions:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Updated: Feb 13, 2024 | Published by: Weather U.S. | About Us / Weather Forecasting / Data Sources

Frequently asked questions

How cold does it get in Lanes Mills in December?

Lanes Mills in December has an average high-temperature of 44.4°F (6.9°C) and an average low-temperature of 36.1°F (2.3°C). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, in July is estimated at 86°F (30°C).

What is the average humidity in December in Lanes Mills?

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

How many days does it rain in December in Lanes Mills?

In Lanes Mills, New Jersey, during December, the rain falls for 10 days and regularly aggregates up to 1.69" (43mm) of precipitation.

How many days does it snow in December in Lanes Mills?

In Lanes Mills, in December, during 2.4 snowfall days, 0.79" (20mm) of snow is typically accumulated.

What is the month with the shortest days in Lanes Mills?

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

How many hours of daylight does Lanes Mills have in December?

In December, the average day length in Lanes Mills is 9h and 23min.

When are sunrise and sunset in December in Lanes Mills?

On the first day of December in Lanes Mills, New Jersey, sunrise is at 7:00 am and sunset at 4:31 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 4:41 pm EST.

How long on average sun shines in December in Lanes Mills?

The average sunshine duration in December in Lanes Mills is 5.1h.

What are the months with the lowest UV index in Lanes Mills?

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Lanes Mills.

What is the UV index intensity in December in Lanes Mills?

In Lanes Mills, New Jersey, the average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a minimal hazard to health from exposure to the Sun's UV radiation.
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
Lanes Mills, NJ

Average temperature in December - Lanes Mills, NJ
  • Average high temperature in December: 44.4°F

The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (38.8°F).

  • Average low temperature in December: 36.1°F

The month with the highest average low temperature is July (70.9°F).
The coldest month (with the lowest average low temperature) is January (29.1°F).

Average pressure in December
Lanes Mills, NJ

Average pressure in December - Lanes Mills, 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
Lanes Mills, NJ

Average wind speed in December - Lanes Mills, NJ
  • Average wind speed in December: 11.5mph

The windiest month (with the highest average wind speed) is January (12.2mph).
The calmest month (with the lowest average wind speed) is July (8mph).

Average humidity in December
Lanes Mills, NJ

Average humidity in December - Lanes Mills, NJ
  • Average humidity in December: 76%

The months with the highest relative humidity are May and June (80%).
The months with the lowest relative humidity are January, March and November (74%).

Average rainfall in December
Lanes Mills, NJ

Average rainfall in December - Lanes Mills, NJ
  • Average rainfall in December: 1.69"

The wettest month (with the highest rainfall) is July (2.56").
The driest month (with the least rainfall) is January (0.94").

Average rainfall days in December
Lanes Mills, NJ

Average rainfall days in December - Lanes Mills, NJ
  • Average rainfall days in December: 10 days

The month with the highest number of rainy days is July (16.1 days).
The month with the least rainy days is January (7 days).

Average snowfall in December
Lanes Mills, NJ

Average snowfall in December - Lanes Mills, NJ
  • Average snowfall in December: 0.79"

The month with the highest snowfall is January (0.91").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in December
Lanes Mills, NJ

Average snowfall days in December - Lanes Mills, NJ
  • Average snowfall days in December: 2.4 days

The month with the highest number of snowfall days is January (4.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in December /
Average sunshine in December
Lanes Mills, NJ

Average daylight in December / Average sunshine in December - Lanes Mills, 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 42min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).

Average sunshine days in December
Lanes Mills, NJ

Average sunshine days in December - Lanes Mills, NJ
  • Average sunshine days in December: 18.6 days

The month with the most sunshine days is January (20.2 days).
The month with the least sunshine days is July (11.9 days).

Average UV index in December
Lanes Mills, NJ

Average UV index in December - Lanes Mills, 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, November and December (UV index 2).

Average cloud cover in December
Lanes Mills, NJ

Average cloud cover in December - Lanes Mills, NJ
  • Average cloud cover in December: 46

The month with the most cloud cover is February (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 28).

Average visibility in December
Lanes Mills, NJ

Average visibility in December - Lanes Mills, 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).

Lanes Mills, New Jersey, USA

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