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
Biddeford's weather changes with the onset of December, slightly falling from a chilly 46.2°F (7.9°C) in November to an icy 36.5°F (2.5°C). In December, Biddeford reports a consistent average low-temperature of 27°F (-2.8°C) during the nights.Humidity
In December, the average relative humidity is 78%.Rainfall
In Biddeford, in December, it is raining for 9.9 days, with typically 2.8" (71mm) of accumulated precipitation. Throughout the year, there are 133.9 rainfall days, and 27.44" (697mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Biddeford, in December, during 6.2 snowfall days, 4.17" (106mm) of snow is typically accumulated. Throughout the year, there are 33.7 snowfall days, and 18.94" (481mm) of snow is accumulated.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 6:55 am and sunset at 4:06 pm. On the last day of December, sunrise is at 7:14 am and sunset at 4:15 pm EST.
Sunshine
February and December, with an average of 4.7h of sunshine, are months with the least 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 of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In December, a regular UV index of 2 translates into these guidelines:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the average humidity in December in Biddeford?
How much does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Biddeford have in December?
What time are sunrise and sunset in December?
What are the months with the least sunshine?
How many hours of sunshine does Biddeford have in December?
What is the month with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Biddeford, ME
- Average high temperature in December: 36.5°F
The warmest month (with the highest average high temperature) is July (74.5°F).
The month with the lowest average high temperature is January (30.7°F).
- Average low temperature in December: 27°F
The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in December
Biddeford, ME
- Average pressure in December: 30.02"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
Biddeford, ME
- Average wind speed in December: 10.2mph
The windiest month (with the highest average wind speed) is January (11.1mph).
The calmest months (with the lowest average wind speed) are July and August (6.7mph).
Average humidity in December
Biddeford, ME
- Average humidity in December: 78%
The months with the highest relative humidity are June and July (82%).
The month with the lowest relative humidity is November (75%).
Average rainfall in December
Biddeford, ME
- Average rainfall in December: 2.8"
The wettest month (with the highest rainfall) is October (2.95").
The driest month (with the least rainfall) is September (1.34").
Average rainfall days in December
Biddeford, ME
- Average rainfall days in December: 9.9 days
The month with the highest number of rainy days is April (14.3 days).
The month with the least rainy days is January (6.3 days).
Average snowfall in December
Biddeford, ME
- Average snowfall in December: 4.17"
The month with the highest snowfall is February (4.41").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Biddeford, ME
- Average snowfall days in December: 6.2 days
The month with the highest number of snowfall days is January (8.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Biddeford, 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 18min).
The months with the least sunshine are February and December (Average sunshine: 4h and 42min).
Average sunshine days in December
Biddeford, ME
- Average sunshine days in December: 15.6 days
The month with the most sunshine days is September (18.3 days).
The month with the least sunshine days is April (12.9 days).
Average UV index in December
Biddeford, ME
- Average UV index in December: 2
The month with the highest UV index is 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
Biddeford, ME
- Average cloud cover in December: 49
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
Biddeford, 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).
Biddeford, Maine, USA
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