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 sea temperature 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
Woolwich's weather changes with the onset of December, slightly falling from a chilly 45.5°F (7.5°C) in November to an icy 35.2°F (1.8°C). A mean low-temperature of 26.2°F (-3.2°C) is a distinguishing feature of December, indicating a slight dip from daytime highs.Humidity
In December, the average relative humidity is 78%.Rainfall
The months with the most rainfall are October and December, with an average 3.5" (89mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In December, it is snowing for 6.8 days. Throughout December, 3.39" (86mm) of snow is accumulated. In Woolwich, Maine, during the entire year, snow falls for 40.2 days and aggregates up to 18.82" (478mm) of snow.Ocean temperature
In Woolwich, in December, the average water temperature is 45.3°F (7.4°C).Note: You can swim in 45.3°F (7.4°C) below 50°F (10°C) with proper thermal wear; failing that, the cold shock and respiratory challenges are nearly certain. A short span at 55.4°F (13°C) without it is tough.
Daylight
December has the shortest days of the year, with an average of 9h and 0min of daylight.On the first day of the month, sunrise is at 6:54 am and sunset at 4:02 pm. On the last day of December, sunrise is at 7:13 am and sunset at 4:11 pm EST.
Sunshine
The months with the least sunshine in Woolwich, Maine, are February and December, with an average of 4.6h of sunshine.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: The UV index of 2 in December translates into these instructions:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in December?
What is the average humidity in December?
What is the rainiest month?
How many days does it rain in December?
How much does it snow in December?
What is the ocean temperature in December?
What is the month with the shortest days?
What is the average length of the day in December?
When are sunrise and sunset in December?
What is the month with the least sunshine?
How many hours of sunshine does Woolwich have in December?
What are the months with the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Woolwich, ME
- Average high temperature in December: 35.2°F
The warmest month (with the highest average high temperature) is August (73.4°F).
The month with the lowest average high temperature is January (29.7°F).
- Average low temperature in December: 26.2°F
The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in December
Woolwich, ME
- Average pressure in December: 30.01"Hg
The months with the highest atmospheric pressure are September and November (30.04"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Woolwich, ME
- Average wind speed in December: 10.5mph
The windiest month (with the highest average wind speed) is January (11.1mph).
The calmest month (with the lowest average wind speed) is August (6.8mph).
Average humidity in December
Woolwich, ME
- Average humidity in December: 78%
The month with the highest relative humidity is June (83%).
The month with the lowest relative humidity is November (75%).
Average rainfall in December
Woolwich, ME
- Average rainfall in December: 3.5"
The wettest months (with the highest rainfall) are October and December (3.5").
The driest month (with the least rainfall) is September (1.65").
Average rainfall days in December
Woolwich, ME
- Average rainfall days in December: 11.1 days
The month with the highest number of rainy days is April (15.8 days).
The month with the least rainy days is January (7.2 days).
Average snowfall in December
Woolwich, ME
- Average snowfall in December: 3.39"
The month with the highest snowfall is January (4.53").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Woolwich, ME
- Average snowfall days in December: 6.8 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 sea temperature in December
Woolwich, ME
- Average sea temperature in December: 45.4°F
The best month for swimming (with the highest average sea temperature) is August (62.2°F).
The coldest month (with the lowest average sea temperature) is March (37.9°F).
Average daylight in December /
Average sunshine in December
Woolwich, 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 4min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The months with the least sunshine are February and December (Average sunshine: 4h and 36min).
Average sunshine days in December
Woolwich, ME
- Average sunshine days in December: 14.4 days
The month with the most sunshine days is September (16.6 days).
The month with the least sunshine days is April (11.9 days).
Average UV index in December
Woolwich, 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
Woolwich, ME
- Average cloud cover in December: 50
The month with the most cloud cover is March (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in December
Woolwich, 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).
Woolwich, Maine, USA
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