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
Transition into December marks a drop in the average high-temperature, moving from a chilly 49.1°F (9.5°C) in November to an icy 38.8°F (3.8°C). The average temperature during December nights dips to a freezing cold 28.9°F (-1.7°C).Humidity
In December, the average relative humidity is 76%.Rainfall
The month with the most rainfall is December, when the rain falls for 9.2 days and typically aggregates up to 2.87" (73mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In December, in Burlington, Massachusetts, it is snowing for 5.5 days. Throughout December, 4.33" (110mm) of snow is accumulated. Throughout the year, there are 30.6 snowfall days, and 18.86" (479mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 6min of daylight.On the first day of the month, sunrise is at 6:55 am and sunset at 4:12 pm. On the last day of December, sunrise is at 7:14 am and sunset at 4:21 pm EST.
Sunshine
In December, the average sunshine 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 estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for average individuals.Note: The daily high UV index of 2 in December translates into this advice:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in December?
What is the average humidity in December?
What is the wettest month?
How much does it rain in December?
How much does it snow in Burlington in December?
What is the month with the shortest days?
What is the average length of the day in December?
When is the sunrise / sunset in December?
How long on average sun shines in December?
What are the months with the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Burlington, MA
- Average high temperature in December: 38.8°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (33.1°F).
- Average low temperature in December: 28.9°F
The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure in December
Burlington, 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 (29.92"Hg).
Average wind speed in December
Burlington, MA
- Average wind speed in December: 8.9mph
The windiest month (with the highest average wind speed) is January (9.4mph).
The calmest month (with the lowest average wind speed) is August (5.9mph).
Average humidity in December
Burlington, MA
- Average humidity in December: 76%
The month with the highest relative humidity is February (78%).
The month with the lowest relative humidity is April (69%).
Average rainfall in December
Burlington, MA
- Average rainfall in December: 2.87"
The wettest month (with the highest rainfall) is December (2.87").
The driest month (with the least rainfall) is September (1.22").
Average rainfall days in December
Burlington, MA
- Average rainfall days in December: 9.2 days
The month with the highest number of rainy days is May (15.5 days).
The month with the least rainy days is January (7.4 days).
Average snowfall in December
Burlington, MA
- Average snowfall in December: 4.33"
The month with the highest snowfall is February (4.96").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Burlington, MA
- Average snowfall days in December: 5.5 days
The month with the highest number of snowfall days is January (7.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Burlington, 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 6min).
- Average sunshine in December: 4h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in December
Burlington, MA
- Average sunshine days in December: 17.2 days
The month with the most sunshine days is November (17.8 days).
The month with the least sunshine days is April (13.3 days).
Average UV index in December
Burlington, 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
Burlington, MA
- Average cloud cover in December: 48
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
Burlington, MA
- Average visibility in December: 6mi
The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is February (5mi).
Burlington, Massachusetts, USA
Weather forecast for your location
2. Allow the app to use your location