December weather forecastPleasant Island, ME
December
Weather in December
The first month of the winter, December, is still a freezing cold month in Pleasant Island, Maine, with an average temperature varying between 25.7°F (-3.5°C) and 15.1°F (-9.4°C).Temperature
Welcoming December, Pleasant Island observes a shift in the average high-temperature, falling from November's icy 36.9°F (2.7°C) to a subzero cold 25.7°F (-3.5°C). During December, the nighttime temperature averages of 15.1°F (-9.4°C).Humidity
In Pleasant Island, the average relative humidity in December is 87%.Rainfall
In Pleasant Island, during December, the rain falls for 9.2 days and regularly aggregates up to 2.56" (65mm) of precipitation. Throughout the year, in Pleasant Island, there are 152.5 rainfall days, and 30.31" (770mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In December, in Pleasant Island, Maine, it is snowing for 19.5 days. Throughout December, 11.3" (287mm) of snow is accumulated. Throughout the year, in Pleasant Island, there are 114.7 snowfall days, and 71.06" (1805mm) of snow is accumulated.Daylight
The month with the shortest days in Pleasant Island, Maine, is December, with an average of 8h and 48min of daylight.On the first day of the month, sunrise is at 7:02 am and sunset at 4:03 pm. On the last day of December, in Pleasant Island, sunrise is at 7:21 am and sunset at 4:11 pm EST.
Sunshine
In December, the average sunshine in Pleasant Island is 3h.UV index
The months with the lowest UV index are February, March and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: An average UV index of 1 in December transforms into this advice:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Pleasant Island, ME
- Average high temperature in December: 25.7°F
The warmest month (with the highest average high temperature) is July (73.9°F).
The month with the lowest average high temperature is January (20.8°F).
- Average low temperature in December: 15.1°F
The month with the highest average low temperature is July (52.9°F).
The coldest month (with the lowest average low temperature) is January (7°F).
Average pressure in December
Pleasant Island, ME
- Average pressure in December: 30.03"Hg
The month with the highest atmospheric pressure is November (30.05"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in December
Pleasant Island, ME
- Average wind speed in December: 7.1mph
The windiest months (with the highest average wind speed) are February, March and April (7.6mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in December
Pleasant Island, ME
- Average humidity in December: 87%
The month with the highest relative humidity is February (91%).
The month with the lowest relative humidity is May (77%).
Average rainfall in December
Pleasant Island, ME
- Average rainfall in December: 2.56"
The wettest month (with the highest rainfall) is October (3.23").
The driest month (with the least rainfall) is January (2.13").
Average rainfall days in December
Pleasant Island, ME
- Average rainfall days in December: 9.2 days
The month with the highest number of rainy days is July (18.4 days).
The month with the least rainy days is February (4.8 days).
Average snowfall in December
Pleasant Island, ME
- Average snowfall in December: 11.3"
The month with the highest snowfall is February (14.02").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Pleasant Island, ME
- Average snowfall days in December: 19.5 days
The month with the highest number of snowfall days is January (22.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Pleasant Island, ME
- Average daylight in December: 8h and 48min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in December: 3h and 0min
The month with the most sunshine is August (Average sunshine: 9h and 6min).
The month with the least sunshine is February (Average sunshine: 2h and 30min).
Average sunshine days in December
Pleasant Island, ME
- Average sunshine days in December: 8.5 days
The month with the most sunshine days is September (14.5 days).
The month with the least sunshine days is February (5.6 days).
Average UV index in December
Pleasant Island, ME
- Average UV index in December: 1
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are February, March and December (UV index 1).
Average cloud cover in December
Pleasant Island, ME
- Average cloud cover in December: 72
The month with the most cloud cover is February (Cloud cover 77).
The month with the least cloud cover is July (Cloud cover 46).
Average visibility in December
Pleasant Island, ME
- Average visibility in December: 4mi
The months with the highest visibility are May and June (5mi).
The months with the lowest visibility are January, February, March, April, July, August, September, October, November and December (4mi).





