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's onset brings a slight change in high-temperatures, falling from a chilly 49.1°F (9.5°C) in November to a cold 38.5°F (3.6°C). During the month of December, an average temperature of 28.2°F (-2.1°C) is noted during the nights.Humidity
In Lincoln, the average relative humidity in December is 77%.Rainfall
The month with the most rainfall is December, when the rain falls for 9.9 days and typically aggregates up to 2.91" (74mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Lincoln, Massachusetts, in December, during 5.1 snowfall days, 4.29" (109mm) of snow is typically accumulated. Throughout the year, there are 31.2 snowfall days, and 19.88" (505mm) of snow is accumulated.Daylight
The month with the shortest days in Lincoln is December, with an average of 9h and 6min of daylight.On the first day of December, sunrise is at 6:55 am and sunset at 4:13 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 4:22 pm EST.
Sunshine
In December, the average sunshine is 4.8h.UV index
The month with the lowest UV index is December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for the average person.Note: In December, the maximum UV index of 1 translates into these guidelines:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold does it get in December?
What is the average humidity in December?
What is the wettest month?
How much does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Lincoln have in December?
When is the sunrise / sunset in December?
How many hours of sunshine does Lincoln have in December?
When is the lowest UV index?
How high is the UV index in December?
Average temperature in December
Lincoln, MA
- Average high temperature in December: 38.5°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (32.9°F).
- Average low temperature in December: 28.2°F
The month with the highest average low temperature is July (63.9°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure in December
Lincoln, 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
Lincoln, MA
- Average wind speed in December: 8.5mph
The windiest month (with the highest average wind speed) is January (9mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in December
Lincoln, MA
- Average humidity in December: 77%
The month with the highest relative humidity is February (78%).
The month with the lowest relative humidity is April (70%).
Average rainfall in December
Lincoln, MA
- Average rainfall in December: 2.91"
The wettest month (with the highest rainfall) is December (2.91").
The driest month (with the least rainfall) is September (1.38").
Average rainfall days in December
Lincoln, MA
- Average rainfall days in December: 9.9 days
The month with the highest number of rainy days is July (15.5 days).
The month with the least rainy days is January (7.3 days).
Average snowfall in December
Lincoln, MA
- Average snowfall in December: 4.29"
The month with the highest snowfall is February (5.35").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Lincoln, MA
- Average snowfall days in December: 5.1 days
The month with the highest number of snowfall days is January (7.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Lincoln, 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
Lincoln, MA
- Average sunshine days in December: 17.4 days
The months with the most sunshine days are January and November (17.5 days).
The month with the least sunshine days is July (13.8 days).
Average UV index in December
Lincoln, MA
- Average UV index in December: 1
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Lincoln, MA
- Average cloud cover in December: 47
The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in December
Lincoln, 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).
Lincoln, Massachusetts, USA
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