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
December brings a minor shift in the average high-temperature, adjusting from a cool 52.3°F (11.3°C) in November to a frosty 44.4°F (6.9°C). Loch Arbour's average nighttime temperature in December modestly descends to a wintry 36.3°F (2.4°C).Humidity
The average relative humidity in December in Loch Arbour, New Jersey, is 75%.Rainfall
In December, in Loch Arbour, New Jersey, the rain falls for 8.8 days. Throughout December, 1.1" (28mm) of precipitation is accumulated. In Loch Arbour, during the entire year, the rain falls for 122.1 days and collects up to 11.14" (283mm) of precipitation.Snowfall
Months with snowfall are January through March, October and December. December is the month with the most snowfall. Snow falls for 3.1 days and accumulates 0.47" (12mm) of snow.Daylight
With an average of 9h and 24min of daylight, December has the shortest days of the year in Loch Arbour.On the first day of the month, sunrise is at 6:59 am and sunset at 4:30 pm. On the last day of December, in Loch Arbour, sunrise is at 7:18 am and sunset at 4:40 pm EST.
Sunshine
In Loch Arbour, 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 unsafe exposure to UV radiation for ordinary individuals.Note: A daily maximum UV index of 2 in December translates into the following instructions:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Frequently asked questions
How cold is December in Loch Arbour?
What is the average humidity in December in Loch Arbour?
How many days does it rain in December in Loch Arbour?
When does it snow the most in Loch Arbour?
When does it start snowing in Loch Arbour?
What is the month with the shortest days in Loch Arbour?
How many hours of daylight does Loch Arbour have in December?
When are sunrise and sunset in December in Loch Arbour?
How long on average sun shines in December in Loch Arbour?
What is the month with the lowest UV index in Loch Arbour?
How high is the UV index in December in Loch Arbour?
Average temperature in December
Loch Arbour, 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).
Average pressure in December
Loch Arbour, 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
Loch Arbour, 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).
Average humidity in December
Loch Arbour, NJ
- Average humidity in December: 75%
The months with the highest relative humidity are May and June (79%).
The month with the lowest relative humidity is November (73%).
Average rainfall in December
Loch Arbour, 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").
Average rainfall days in December
Loch Arbour, 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).
Average snowfall in December
Loch Arbour, NJ
- Average snowfall in December: 0.47"
The month with the highest snowfall is December (0.47").
The months with the least snowfall are April, May, June, July, August, September and November (0").
Average snowfall days in December
Loch Arbour, NJ
- Average snowfall days in December: 3.1 days
The month with the highest number of snowfall days is January (4.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Loch Arbour, 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 48min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in December
Loch Arbour, 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).
Average UV index in December
Loch Arbour, 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, March, November and December (UV index 2).
Average cloud cover in December
Loch Arbour, 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).
Average visibility in December
Loch Arbour, 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).
Loch Arbour, New Jersey, USA
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