December weather forecastCape May Court House, NJ

December

Weather in December

December, the first month of the winter in Cape May Court House, is also a frosty month, with an average temperature ranging between min 39.4°F (4.1°C) and max 46.8°F (8.2°C).

Temperature

With the commencement of December, Cape May Court House records a moderate temperature decline, with the average high easing from November's cool 54.3°F (12.4°C) to a chilly 46.8°F (8.2°C). A consistent average low-temperature of 39.4°F (4.1°C), with a minor variance from the daytime highs, is noted during the nights of December.

Humidity

The average relative humidity in December is 75%.

Rainfall

In December, in Cape May Court House, the rain falls for 7.2 days. Throughout December, 0.75" (19mm) of precipitation is accumulated. In Cape May Court House, during the entire year, the rain falls for 112.7 days and collects up to 8.94" (227mm) of precipitation.

Snowfall

Months with snowfall in Cape May Court House are January through March and December. December is the first month it typically snows in Cape May Court House. Throughout December, in the average 1.6 snowfall days, it receives 0.2" (5mm) of snow. Throughout the year, in Cape May Court House, there are 8.3 snowfall days, and 0.67" (17mm) of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 9h and 30min of daylight.
On the first day of the month, sunrise is at 6:59 am and sunset at 4:37 pm. On the last day of December, in Cape May Court House, New Jersey, sunrise is at 7:18 am and sunset at 4:46 pm EST.

Sunshine

In Cape May Court House, the average sunshine in December is 5.2h.

UV index

January, February 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 low health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: The UV index of 2 during December translates into the following guidance:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.

Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The high-temperature, in December, in Cape May Court House, is 46.8°F (8.2°C), while the low-temperature averages to 39.4°F (4.1°C).

In Cape May Court House, the average relative humidity in December is 75%.

In Cape May Court House, during December, the rain falls for 7.2 days and regularly aggregates up to 0.75" (19mm) of precipitation.

December is the first month it typically snows in Cape May Court House, New Jersey. Throughout December, in the average 1.6 snowfall days, it receives 0.2" (5mm) of snow.

With an average of 9h and 30min of daylight, December has the shortest days of the year in Cape May Court House.

In December, the average day length is 9h and 29min.

In December, on the first day of the month, sunrise is at 6:59 am and sunset at 4:37 pm. On the last day of the month, in Cape May Court House, New Jersey, sunrise is at 7:18 am and sunset at 4:46 pm EST.

The average sunshine duration in December in Cape May Court House, New Jersey, is 5.2h.

The months with the lowest UV index in Cape May Court House, New Jersey, are January, February and December, with an average maximum UV index of 2.

In Cape May Court House, 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 exposure to the Sun's UV radiation.

Today

Tomorrow

Long-term

Year J F M A M J J A S O N December

Nov

December

Jan

Average high temperature

54.3°F

46.8°F

40.6°F

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

13.9mph

14.4mph

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

22.3

Average UV index

Average cloud cover

Average visibility

Average temperature in December
Cape May Court House, NJ

Average high temperature in December: 46.8°F

The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (40.6°F).

Average low temperature in December: 39.4°F

The month with the highest average low temperature is July (73.4°F).
The coldest month (with the lowest average low temperature) is January (32.7°F).

Average pressure in December
Cape May Court House, 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 (29.94"Hg).

Average wind speed in December
Cape May Court House, NJ

Average wind speed in December: 13mph

The windiest month (with the highest average wind speed) is January (13.5mph).
The calmest months (with the lowest average wind speed) are July and August (9.1mph).

Average humidity in December
Cape May Court House, NJ

Average humidity in December: 75%

The month with the highest relative humidity is May (81%).
The month with the lowest relative humidity is November (73%).

Average rainfall in December
Cape May Court House, NJ

Average rainfall in December: 0.75"

The wettest months (with the highest rainfall) are May and June (0.98").
The driest month (with the least rainfall) is January (0.39").

Average rainfall days in December
Cape May Court House, NJ

Average rainfall days in December: 7.2 days

The month with the highest number of rainy days is July (12.7 days).
The month with the least rainy days is November (5.9 days).

Average snowfall in December
Cape May Court House, NJ

Average snowfall in December: 0.2"

The month with the highest snowfall is February (0.24").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

Average snowfall days in December
Cape May Court House, NJ

Average snowfall days in December: 1.6 days

The month with the highest number of snowfall days is January (2.8 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight in December /
Average sunshine in December
Cape May Court House, NJ

Average daylight in December: 9h and 30min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

Average sunshine in December: 5h and 12min

The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).

Average sunshine days in December
Cape May Court House, NJ

Average sunshine days in December: 21 days

The months with the most sunshine days are January and November (22.3 days).
The month with the least sunshine days is July (15.6 days).

Average UV index in December
Cape May Court House, 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 and December (UV index 2).

Average cloud cover in December
Cape May Court House, NJ

Average cloud cover in December: 44

The month with the most cloud cover is February (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 24).

Average visibility in December
Cape May Court House, 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).