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
December comes with a decrease in the average high-temperature, falling from a frosty 46.8°F (8.2°C) in November to an icy 36.5°F (2.5°C). During December, the average low-temperature is a subzero cold 25.7°F (-3.5°C).Humidity
In Lunenburg, the average relative humidity in December is 79%.Rainfall
The month with the most rainfall is December, when the rain falls for 10.7 days and typically aggregates up to 2.99" (76mm) of precipitation.Snowfall
Months with snowfall in Lunenburg are January through May, October through December. In Lunenburg, in December, during 6.9 snowfall days, 4.37" (111mm) of snow is typically accumulated. Throughout the year, there are 38.7 snowfall days, and 23.7" (602mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 6min of daylight.On the first day of December in Lunenburg, Massachusetts, sunrise is at 6:57 am and sunset at 4:14 pm. On the last day of the month, sunrise is at 7:16 am and sunset at 4:23 pm EST.
Sunshine
In December, the average sunshine is 4.7h.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 threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: In December, the maximum UV index of 2 transforms into these recommendations:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Frequently asked questions
How cold is December in Lunenburg?
What is the average humidity in December in Lunenburg?
What is the wettest month in Lunenburg?
How many days does it rain in December in Lunenburg?
How much does it snow in Lunenburg in December?
What is the month with the shortest days in Lunenburg?
What is the average length of the day in December in Lunenburg?
What time are sunrise and sunset in December in Lunenburg?
How long on average sun shines in December in Lunenburg?
What is the month with the lowest UV index in Lunenburg?
What is the UV index intensity in December in Lunenburg?
Average temperature in December
Lunenburg, MA
- Average high temperature in December: 36.5°F
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (30.7°F).
- Average low temperature in December: 25.7°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (18°F).
Average pressure in December
Lunenburg, MA
- Average pressure in December: 30.04"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
Lunenburg, MA
- Average wind speed in December: 8.1mph
The windiest month (with the highest average wind speed) is January (8.6mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).
Average humidity in December
Lunenburg, MA
- Average humidity in December: 79%
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is April (72%).
Average rainfall in December
Lunenburg, MA
- Average rainfall in December: 2.99"
The wettest month (with the highest rainfall) is December (2.99").
The driest month (with the least rainfall) is September (1.81").
Average rainfall days in December
Lunenburg, MA
- Average rainfall days in December: 10.7 days
The month with the highest number of rainy days is June (16.9 days).
The month with the least rainy days is January (7.3 days).
Average snowfall in December
Lunenburg, MA
- Average snowfall in December: 4.37"
The month with the highest snowfall is February (6.34").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Lunenburg, MA
- Average snowfall days in December: 6.9 days
The month with the highest number of snowfall days is January (9.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Lunenburg, MA
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in December: 4h and 4min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in December
Lunenburg, MA
- Average sunshine days in December: 15.3 days
The month with the most sunshine days is November (17.1 days).
The month with the least sunshine days is June (11.4 days).
Average UV index in December
Lunenburg, MA
- Average UV index in December: 2
The months with the highest UV index are June and July (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
Lunenburg, MA
- 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 35).
Average visibility in December
Lunenburg, MA
- Average visibility in December: 6mi
The months with the highest visibility are April, November and December (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September and October (5mi).
Lunenburg, Massachusetts, USA
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