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 ushers in a slight temperature change, with average high-temperatures reducing from November's chilly 44.1°F (6.7°C) to a cold 34.2°F (1.2°C). In North Islesboro, the December nights cool down to an average low of 24.1°F (-4.4°C).Humidity
In December, the average relative humidity in North Islesboro is 79%.Rainfall
The month with the most rainfall is December, when the rain falls for 10.1 days and typically aggregates up to 2.72" (69mm) of precipitation.Snowfall
Months with snowfall in North Islesboro are January through May, October through December. In North Islesboro, Maine, in December, snow falls for 8.9 days, with typically accumulated 2.28" (58mm) of snow. In North Islesboro, during the entire year, snow falls for 44.3 days and aggregates up to 16.81" (427mm) of snow.Daylight
With an average of 8h and 54min of daylight, December has the shortest days of the year in North Islesboro.On the first day of December in North Islesboro, sunrise is at 6:52 am and sunset at 3:57 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 4:06 pm EST.
Sunshine
The average sunshine in December is 4.4h.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 low health risk from unprotected exposure to Sun's UV rays for average individuals.Note: An average UV index of 2 in December transforms into this advice:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Frequently asked questions
How cold is it in North Islesboro in December?
What is the average humidity in December in North Islesboro?
What is the wettest month in North Islesboro?
How many days does it rain in December in North Islesboro?
How much does it snow in North Islesboro in December?
What is the month with the shortest days in North Islesboro?
What is the average length of the day in December in North Islesboro?
When are sunrise and sunset in December in North Islesboro?
How many hours of sunshine does North Islesboro have in December?
When is the lowest UV index in North Islesboro?
How high is the UV index in December in North Islesboro?
Average temperature in December
North Islesboro, ME
- Average high temperature in December: 34.2°F
The warmest months (with the highest average high temperature) are July and August (73.9°F).
The month with the lowest average high temperature is January (28.4°F).
- Average low temperature in December: 24.1°F
The month with the highest average low temperature is July (57.7°F).
The coldest month (with the lowest average low temperature) is January (16.2°F).
Average pressure in December
North Islesboro, ME
- Average pressure in December: 30"Hg
The month with the highest atmospheric pressure is September (30.04"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
North Islesboro, ME
- Average wind speed in December: 9.6mph
The windiest month (with the highest average wind speed) is March (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).
Average humidity in December
North Islesboro, ME
- Average humidity in December: 79%
The months with the highest relative humidity are February and July (83%).
The month with the lowest relative humidity is November (77%).
Average rainfall in December
North Islesboro, ME
- Average rainfall in December: 2.72"
The wettest month (with the highest rainfall) is December (2.72").
The driest months (with the least rainfall) are July and September (1.46").
Average rainfall days in December
North Islesboro, ME
- Average rainfall days in December: 10.1 days
The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is February (7.1 days).
Average snowfall in December
North Islesboro, ME
- Average snowfall in December: 2.28"
The month with the highest snowfall is January (4.57").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
North Islesboro, ME
- Average snowfall days in December: 8.9 days
The month with the highest number of snowfall days is January (10.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
North Islesboro, ME
- Average daylight in December: 8h and 5min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in December: 4h and 2min
The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is February (Average sunshine: 4h and 18min).
Average sunshine days in December
North Islesboro, ME
- Average sunshine days in December: 14.5 days
The month with the most sunshine days is September (17.9 days).
The month with the least sunshine days is April (11.7 days).
Average UV index in December
North Islesboro, 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
North Islesboro, ME
- Average cloud cover in December: 52
The month with the most cloud cover is March (Cloud cover 55).
The months with the least cloud cover are August and September (Cloud cover 37).
Average visibility in December
North Islesboro, ME
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, October, November and December (6mi).
The months with the lowest visibility are May, June, July, August and September (5mi).
North Islesboro, Maine, USA
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