December weather forecast
Lincoln, MA

Share

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.
Updated: Jun 19, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in December?

During December, Lincoln experiences an average high-temperature of 38.5°F (3.6°C) and a low-temperature of 28.2°F (-2.1°C). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, in August is computed to be 84.2°F (29°C).

What is the average humidity in December?

In December, the average relative humidity is 77%.

What is the wettest month?

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.

How many days does it rain in December?

In December, the rain falls for 9.9 days. Throughout December, 2.91" (74mm) of precipitation is accumulated.

How much does it snow in Lincoln in December?

In Lincoln, in December, during 5.1 snowfall days, 4.29" (109mm) of snow is typically accumulated.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 9h and 6min of daylight.

What is the average length of the day in December?

The average day length in December is 9h and 8min.

When are sunrise and sunset in December?

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.

How long on average sun shines in December in Lincoln?

The average sunshine duration in December is 4.8h.

When is the lowest UV index?

The month with the lowest UV index is December, with an average maximum UV index of 1.

What is the UV index intensity in December in Lincoln?

In Lincoln, the average daily maximum UV index in December is 1. A UV Index of 2, and less, symbolizes a low health threat from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Lincoln, MA

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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 / 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 - 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 - 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 - 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 - 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

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location