December weather forecastLincoln, MA
December
Weather in December
The first month of the winter, December, is also an icy month in Lincoln, Massachusetts, with temperature in the range of an average high of 38.5°F (3.6°C) and an average low of 28.2°F (-2.1°C).Temperature
The onset of December introduces a moderate change in Lincoln's weather, with average high-temperatures falling from November's frosty 49.1°F (9.5°C) to a cold 38.5°F (3.6°C). December nights are marked by an average low-temperature of 28.2°F (-2.1°C).Humidity
In Lincoln, the average relative humidity in December is 77%.Rainfall
December is the month with the most rainfall. Rain falls for 9.9 days and accumulates 2.91" (74mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Lincoln, during December, snow falls for 5.1 days and regularly aggregates up to 4.29" (109mm) of snow. In Lincoln, during the entire year, snow falls for 31.2 days and aggregates up to 19.88" (505mm) of snow.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 4:13 pm. On the last day of December, sunrise is at 7:14 am and sunset at 4:22 pm EST.
Sunshine
The average sunshine in December 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 estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: In December, the average maximum UV index of 1 translates into the following recommendations:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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 6min
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 48min
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).
