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
With December's onset, the average high-temperature recedes from November's fresh 50.7°F (10.4°C) to a wintry 41.7°F (5.4°C). December witnesses an average nighttime temperature of 30.9°F (-0.6°C).Humidity
The average relative humidity in December is 76%.Rainfall
The month with the most rainfall is December, when the rain falls for 11.3 days and typically aggregates up to 3.27" (83mm) of precipitation.Snowfall
Months with snowfall are January through May, November and December. In Britanniaville, in December, during 4.7 snowfall days, 2.56" (65mm) of snow is typically accumulated. In Britanniaville, during the entire year, snow falls for 26.8 days and aggregates up to 13.66" (347mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 12min of daylight.On the first day of the month, sunrise is at 6:53 am and sunset at 4:14 pm. On the last day of December, sunrise is at 7:12 am and sunset at 4:23 pm EST.
Sunshine
The average sunshine in December is 4.8h.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 value of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for ordinary individuals.Note: In December, an average UV index of 2 transforms into the following instructions:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the average humidity in December?
What is the rainiest month?
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 Britanniaville have in December?
When are sunrise and sunset in December?
How many hours of sunshine does Britanniaville have in December?
What is the month with the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Britanniaville, MA
- Average high temperature in December: 41.7°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (35.6°F).
- Average low temperature in December: 30.9°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (23.9°F).
Average pressure in December
Britanniaville, MA
- Average pressure in December: 30.03"Hg
The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Britanniaville, MA
- Average wind speed in December: 8.9mph
The windiest month (with the highest average wind speed) is March (9.8mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in December
Britanniaville, MA
- Average humidity in December: 76%
The months with the highest relative humidity are June, July and September (78%).
The month with the lowest relative humidity is April (72%).
Average rainfall in December
Britanniaville, MA
- Average rainfall in December: 3.27"
The wettest month (with the highest rainfall) is December (3.27").
The driest month (with the least rainfall) is September (1.34").
Average rainfall days in December
Britanniaville, MA
- Average rainfall days in December: 11.3 days
The month with the highest number of rainy days is April (16 days).
The month with the least rainy days is February (8.5 days).
Average snowfall in December
Britanniaville, MA
- Average snowfall in December: 2.56"
The months with the highest snowfall are February and March (3.62").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in December
Britanniaville, MA
- Average snowfall days in December: 4.7 days
The month with the highest number of snowfall days is January (7 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Britanniaville, MA
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in December: 4h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in December
Britanniaville, MA
- Average sunshine days in December: 16.2 days
The month with the most sunshine days is November (17.8 days).
The month with the least sunshine days is April (12.8 days).
Average UV index in December
Britanniaville, MA
- Average UV index in December: 2
The months with the highest UV index are June, July and 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
Britanniaville, MA
- Average cloud cover in December: 48
The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in December
Britanniaville, MA
- 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).
Britanniaville, Massachusetts, USA
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