December weather forecast
Medford Lakes, NJ

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Weather in December

December, the first month of the winter in Medford Lakes, is also a frosty month, with an average temperature fluctuating between 33.1°F (0.6°C) and 44.4°F (6.9°C).

Temperature

Medford Lakes records a mild change in average high-temperature during December, easing from a fresh 53.2°F (11.8°C) in November to a frosty 44.4°F (6.9°C). In December, Medford Lakes encounters an average low-temperature of 33.1°F (0.6°C) during the night.

Humidity

The average relative humidity in December is 77%.

Rainfall

In Medford Lakes, in December, during 8.1 rainfall days, 0.98" (25mm) of precipitation is typically accumulated. Throughout the year, in Medford Lakes, there are 103.5 rainfall days, and 8.62" (219mm) of precipitation is accumulated.

Snowfall

January through March, November and December are months with snowfall. In Medford Lakes, in December, during 2.5 snowfall days, 0.35" (9mm) of snow is typically accumulated. In Medford Lakes, during the entire year, snow falls for 13.3 days and aggregates up to 1.97" (50mm) 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 7:02 am and sunset at 4:34 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 4:44 pm EST.

Sunshine

The average sunshine in December is 5.1h.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: A maximum high UV index of 2 in December translates into the following recommendations:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Updated: Jun 15, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is December?

The average high-temperature and low-temperature during December are 44.4°F (6.9°C) and 33.1°F (0.6°C) respectively. The average heat index (a.k.a. 'apparent temperature', 'feels like'), which combines relative humidity and air temperature, in August is appraised at 89.6°F (32°C).

What is the average humidity in December?

In December, the average relative humidity is 77%.

How much does it rain in December?

In December, the rain falls for 8.1 days. Throughout December, 0.98" (25mm) of precipitation is accumulated.

How much does it snow in December?

In Medford Lakes, New Jersey, during December, snow falls for 2.5 days and regularly aggregates up to 0.35" (9mm) of snow.

What is the month with the shortest days?

With an average of 9h and 24min of daylight, December has the shortest days of the year.

How many hours of daylight does Medford Lakes have in December?

In December, the average day length is 9h and 24min.

When are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:02 am and sunset at 4:34 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 4:44 pm EST.

How long on average sun shines in December?

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

What is the month with the lowest UV index?

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

How high is the UV index in December?

In Medford Lakes, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a low health risk from exposure to Sun's UV rays.
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
Medford Lakes, NJ

Average temperature in December - Medford Lakes, NJ
  • Average high temperature in December: 44.4°F

The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is January (37.9°F).

  • Average low temperature in December: 33.1°F

The month with the highest average low temperature is July (68.2°F).
The coldest month (with the lowest average low temperature) is January (26.2°F).

Average pressure in December
Medford Lakes, NJ

Average pressure in December - Medford Lakes, NJ
  • Average pressure in December: 30.09"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
Medford Lakes, NJ

Average wind speed in December - Medford Lakes, NJ
  • Average wind speed in December: 7.9mph

The windiest months (with the highest average wind speed) are March and April (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).

Average humidity in December
Medford Lakes, NJ

Average humidity in December - Medford Lakes, NJ
  • Average humidity in December: 77%

The months with the highest relative humidity are May, June and October (78%).
The month with the lowest relative humidity is April (72%).

Average rainfall in December
Medford Lakes, NJ

Average rainfall in December - Medford Lakes, NJ
  • Average rainfall in December: 0.98"

The wettest month (with the highest rainfall) is July (1.14").
The driest months (with the least rainfall) are January and September (0.39").

Average rainfall days in December
Medford Lakes, NJ

Average rainfall days in December - Medford Lakes, NJ
  • Average rainfall days in December: 8.1 days

The month with the highest number of rainy days is July (12.5 days).
The month with the least rainy days is January (5.4 days).

Average snowfall in December
Medford Lakes, NJ

Average snowfall in December - Medford Lakes, NJ
  • Average snowfall in December: 0.35"

The months with the highest snowfall are January and March (0.55").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in December
Medford Lakes, NJ

Average snowfall days in December - Medford Lakes, NJ
  • Average snowfall days in December: 2.5 days

The month with the highest number of snowfall days is January (3.8 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
Medford Lakes, NJ

Average daylight in December / Average sunshine in December - Medford Lakes, 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
Medford Lakes, NJ

Average sunshine days in December - Medford Lakes, NJ
  • Average sunshine days in December: 20.3 days

The month with the most sunshine days is November (22.7 days).
The month with the least sunshine days is July (14.5 days).

Average UV index in December
Medford Lakes, NJ

Average UV index in December - Medford Lakes, NJ
  • Average UV index in December: 2

The months with the highest UV index are May, 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
Medford Lakes, NJ

Average cloud cover in December - Medford Lakes, 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 July (Cloud cover 30).

Average visibility in December
Medford Lakes, NJ

Average visibility in December - Medford Lakes, 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).

Medford Lakes, New Jersey, USA

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