Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
Transition into December subtly marks a drop in the average high-temperature, moderately moving from a fresh 53.1°F (11.7°C) in November to a chilly 44.2°F (6.8°C). An average low-temperature of 32.7°F (0.4°C) is recorded during the nights in December in Marlton, New Jersey.Humidity
The average relative humidity in December is 77%.Rainfall
In Marlton, in December, it is raining for 8.1 days, with typically 1.18" (30mm) of accumulated precipitation. In Marlton, New Jersey, during the entire year, the rain falls for 120.1 days and collects up to 11.81" (300mm) of precipitation.Snowfall
January through March, November and December are months with snowfall in Marlton. In December, it is snowing for 2.3 days. Throughout December, 0.31" (8mm) of snow is accumulated. Throughout the year, there are 12.9 snowfall days, and 3.23" (82mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 24min of daylight.On the first day of the month, sunrise is at 7:02 am and sunset at 4:35 pm. On the last day of December, sunrise is at 7:21 am and sunset at 4:44 pm EST.
Sunshine
The average sunshine in December in Marlton is 5.1h.UV index
January, February, 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 health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A daily maximum UV index of 2 in December translates into the following instructions:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Frequently asked questions
Is it cold in Marlton during December?
What is the average humidity in December in Marlton?
How much does it rain in Marlton in December?
How much does it snow in Marlton in December?
What is the month with the shortest days in Marlton?
What is the average length of the day in December in Marlton?
When are sunrise and sunset in December in Marlton?
How many hours of sunshine does Marlton have in December?
What is the month with the lowest UV index in Marlton?
What is the UV index reading in December in Marlton?
Average temperature in December
Marlton, NJ
- Average high temperature in December: 44.2°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (37.8°F).
- Average low temperature in December: 32.7°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (25.5°F).
Average pressure in December
Marlton, 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
Marlton, NJ
- Average wind speed in December: 7.5mph
The windiest months (with the highest average wind speed) are March and April (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in December
Marlton, NJ
- Average humidity in December: 77%
The month with the highest relative humidity is October (78%).
The month with the lowest relative humidity is April (72%).
Average rainfall in December
Marlton, NJ
- Average rainfall in December: 1.18"
The wettest months (with the highest rainfall) are July and August (1.42").
The driest month (with the least rainfall) is January (0.63").
Average rainfall days in December
Marlton, NJ
- Average rainfall days in December: 8.1 days
The month with the highest number of rainy days is July (14.2 days).
The month with the least rainy days is January (6.3 days).
Average snowfall in December
Marlton, NJ
- Average snowfall in December: 0.31"
The months with the highest snowfall are February and March (0.94").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Marlton, NJ
- Average snowfall days in December: 2.3 days
The month with the highest number of snowfall days is January (3.9 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
Marlton, 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
Marlton, NJ
- Average sunshine days in December: 20.2 days
The month with the most sunshine days is January (21.8 days).
The month with the least sunshine days is July (13 days).
Average UV index in December
Marlton, 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
Marlton, NJ
- Average cloud cover in December: 47
The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in December
Marlton, 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).
Marlton, New Jersey, USA
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