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
Long Island in December experiences a subtle temperature decline, with average high-temperatures reducing from a chilly 46°F (7.8°C) in November to a cold 36.5°F (2.5°C). Nighttime temperatures in Long Island, Maine, hover around an average low of 27.9°F (-2.3°C) in December, a slight descent from daytime highs.Humidity
In December, the average relative humidity is 77%.Rainfall
In December, in Long Island, Maine, the rain falls for 7.9 days. Throughout December, 2.01" (51mm) of precipitation is accumulated. Throughout the year, there are 127 rainfall days, and 21.93" (557mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall. In Long Island, in December, snow falls for 5.4 days, with typically accumulated 2.28" (58mm) of snow. In Long Island, during the entire year, snow falls for 29.7 days and aggregates up to 11.73" (298mm) of snow.Daylight
With an average of 9h and 0min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 6:55 am and sunset at 4:04 pm. On the last day of December, in Long Island, Maine, sunrise is at 7:14 am and sunset at 4:13 pm EST.
Sunshine
December has the least sunshine of the year in Long Island, with an average of 4.8h of sunshine.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 exposure to the Sun's UV rays for ordinary individuals.Note: The average daily UV index of 2 in December transforms into the following instructions:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. To cut down UV radiation exposure by about half, sport a wide-brim hat. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Frequently asked questions
How cold is December in Long Island?
What is the average humidity in December in Long Island?
How many days does it rain in December in Long Island?
How many days does it snow in December in Long Island?
What is the month with the shortest days in Long Island?
How many hours of daylight does Long Island have in December?
When is the sunrise / sunset in December in Long Island?
What is the month with the least sunshine in Long Island?
How many hours of sunshine does Long Island have in December?
What are the months with the lowest UV index in Long Island?
What is the UV index intensity in December in Long Island?
Average temperature in December
Long Island, ME
- Average high temperature in December: 36.5°F
The warmest month (with the highest average high temperature) is July (72.5°F).
The month with the lowest average high temperature is January (31.1°F).
- Average low temperature in December: 27.9°F
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).
Average pressure in December
Long Island, ME
- Average pressure in December: 30.01"Hg
The months with the highest atmospheric pressure are September and November (30.05"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Long Island, ME
- Average wind speed in December: 11.6mph
The windiest month (with the highest average wind speed) is January (12.5mph).
The calmest months (with the lowest average wind speed) are July and August (7.5mph).
Average humidity in December
Long Island, ME
- Average humidity in December: 77%
The months with the highest relative humidity are June and July (82%).
The month with the lowest relative humidity is November (74%).
Average rainfall in December
Long Island, ME
- Average rainfall in December: 2.01"
The wettest month (with the highest rainfall) is October (2.36").
The driest month (with the least rainfall) is September (1.18").
Average rainfall days in December
Long Island, ME
- Average rainfall days in December: 7.9 days
The month with the highest number of rainy days is July (14.7 days).
The month with the least rainy days is January (5.7 days).
Average snowfall in December
Long Island, ME
- Average snowfall in December: 2.28"
The month with the highest snowfall is February (2.91").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Long Island, ME
- Average snowfall days in December: 5.4 days
The month with the highest number of snowfall days is January (7.9 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
Long Island, ME
- Average daylight in December: 9h and 0min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in December: 4h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).
Average sunshine days in December
Long Island, ME
- Average sunshine days in December: 17.6 days
The month with the most sunshine days is November (19 days).
The month with the least sunshine days is July (13.8 days).
Average UV index in December
Long Island, ME
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in December
Long Island, ME
- Average cloud cover in December: 48
The month with the most cloud cover is March (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in December
Long Island, ME
- 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).
Long Island, Maine, USA
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