December weather forecast
Lincoln, CA

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Weather in December

December, the first month of the winter in Lincoln, is still a cool month, with an average temperature fluctuating between 54.1°F (12.3°C) and 39.9°F (4.4°C).

Temperature

December stands out as Lincoln's coldest month, with an average high-temperature of 54.1°F (12.3°C) and a low-temperature of 39.9°F (4.4°C).

Humidity

In December, the average relative humidity is 70%.

Rainfall

In Lincoln, during December, the rain falls for 10.9 days and regularly aggregates up to 3.66" (93mm) of precipitation. Throughout the year, in Lincoln, there are 80 rainfall days, and 21.85" (555mm) of precipitation is accumulated.

Snowfall

December is the only month when snow falls. December is the month with the most snowfall. Snow falls for 0.2 days and accumulates 0.04" (1mm) of snow.

Daylight

With an average of 9h and 30min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 7:05 am and sunset at 4:43 pm. On the last day of December, sunrise is at 7:23 am and sunset at 4:53 pm PST.

Sunshine

The month with the least sunshine is December, with an average of 5.8h of sunshine.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: A daily maximum UV index of 3 in December translates into the following instructions:
Put precautions into practice - Guidance to elude sunburn is provided. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Updated: Jul 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What time of the year is the coldest?

Lincoln reaches its average lowest temperatures in December, measuring 54.1°F (12.3°C) at the peak and 39.9°F (4.4°C) at the lowest.

What is the usual temperature for Lincoln in December?

In December, in Lincoln, the average high-temperature is 54.1°F (12.3°C), and the average low-temperature is 39.9°F (4.4°C). In September, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which factors the actual air temperature with the relative humidity, is calculated to be 87.8°F (31°C).

What is the average humidity in December?

In December, the average relative humidity is 70%.

How much does it rain in December?

In December, the rain falls for 10.9 days. Throughout December, 3.66" (93mm) of precipitation is accumulated.

When does it snow the most?

The month with the most snowfall is December, when snow falls for 0.2 days and typically aggregates up to 0.04" (1mm) of snow.

When does it start snowing?

December is the first month it typically snows. Throughout December, in the average 0.2 snowfall days, it receives 0.04" (1mm) of snow.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 9h and 30min of daylight.

What is the average length of the day in December?

In Lincoln, the average day length in December is 9h and 30min.

When is the sunrise / sunset in December?

On the first day of December, sunrise is at 7:05 am and sunset at 4:43 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 4:53 pm PST.

What is the month with the least sunshine?

With an average of 5.8h of sunshine, December has the least sunshine of the year in Lincoln.

How many hours of sunshine does Lincoln have in December?

The average sunshine duration in December is 5.8h.

What is the month with the lowest UV index?

January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index.

What is the UV index intensity in December?

In December, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a moderate vulnerability from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Lincoln, CA

Average temperature in December - Lincoln, CA
  • Average high temperature in December: 54.1°F

The warmest month (with the highest average high temperature) is July (94.1°F).
The month with the lowest average high temperature is December (54.1°F).

  • Average low temperature in December: 39.9°F

The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is December (39.9°F).

Average pressure in December
Lincoln, CA

Average pressure in December - Lincoln, CA
  • Average pressure in December: 30.13"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

Average wind speed in December
Lincoln, CA

Average wind speed in December - Lincoln, CA
  • Average wind speed in December: 4.9mph

The windiest months (with the highest average wind speed) are February and March (5.7mph).
The calmest month (with the lowest average wind speed) is September (4.4mph).

Average humidity in December
Lincoln, CA

Average humidity in December - Lincoln, CA
  • Average humidity in December: 70%

The month with the highest relative humidity is March (75%).
The month with the lowest relative humidity is July (39%).

Average rainfall in December
Lincoln, CA

Average rainfall in December - Lincoln, CA
  • Average rainfall in December: 3.66"

The wettest month (with the highest rainfall) is March (4.09").
The driest months (with the least rainfall) are July and August (0.04").

Average rainfall days in December
Lincoln, CA

Average rainfall days in December - Lincoln, CA
  • Average rainfall days in December: 10.9 days

The month with the highest number of rainy days is March (14.2 days).
The month with the least rainy days is July (0.9 days).

Average snowfall in December
Lincoln, CA

Average snowfall in December - Lincoln, CA
  • Average snowfall in December: 0.04"

The month with the highest snowfall is December (0.04").
The months with the least snowfall are January, February, March, April, May, June, July, August, September, October and November (0").

Average snowfall days in December
Lincoln, CA

Average snowfall days in December - Lincoln, CA
  • Average snowfall days in December: 0.2 days

The month with the highest number of snowfall days is December (0.2 days).
The months with the least snowfall days are January, February, March, April, May, June, July, August, September, October and November (0 days).

Average daylight in December /
Average sunshine in December
Lincoln, CA

Average daylight in December / Average sunshine in December - Lincoln, CA
  • Average daylight in December: 9h and 3min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in December: 5h and 5min

The month with the most sunshine is July (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).

Average sunshine days in December
Lincoln, CA

Average sunshine days in December - Lincoln, CA
  • Average sunshine days in December: 19.6 days

The month with the most sunshine days is July (29.8 days).
The month with the least sunshine days is March (15.9 days).

Average UV index in December
Lincoln, CA

Average UV index in December - Lincoln, CA
  • Average UV index in December: 3

The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).

Average cloud cover in December
Lincoln, CA

Average cloud cover in December - Lincoln, CA
  • Average cloud cover in December: 35

The month with the most cloud cover is March (Cloud cover 39).
The month with the least cloud cover is July (Cloud cover 4).

Average visibility in December
Lincoln, CA

Average visibility in December - Lincoln, CA
  • Average visibility in December: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

Lincoln, California, USA

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