December weather forecast
Lamar, NE

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Weather in December

December, the first month of the winter in Lamar, is also a wintry month, with an average temperature fluctuating between 39.2°F (4°C) and 23.2°F (-4.9°C).

Temperature

In Lamar, the month of December is known for its lowest average temperatures, reaching a high of 39.2°F (4°C) and a low of 23.2°F (-4.9°C).

Humidity

In Lamar, the average relative humidity in December is 65%.

Rainfall

In Lamar, in December, during 4.2 rainfall days, 0.59" (15mm) of precipitation is typically accumulated. In Lamar, during the entire year, the rain falls for 119.5 days and collects up to 16.14" (410mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. In Lamar, in December, during 6.8 snowfall days, 2.13" (54mm) of snow is typically accumulated. Throughout the year, there are 37.9 snowfall days, and 15.55" (395mm) of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 9h and 18min of daylight.
On the first day of December, sunrise is at 6:52 am and sunset at 4:21 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 4:31 pm MST.

Sunshine

February and December, with an average of 6.2h of sunshine, are months with the least sunshine.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In December, the average maximum UV index of 2 translates into the following recommendations:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Updated: Jun 30, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest time of year?

Lamar experiences its average lowest temperatures in December, reaching a peak of 39.2°F (4°C) and a minimum of 23.2°F (-4.9°C).

How cold is it in December?

During December, Lamar experiences an average high-temperature of 39.2°F (4°C) and a low-temperature of 23.2°F (-4.9°C). In August, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines relative humidity and air temperature, is appraised at 89.6°F (32°C).

What is the average humidity in December in Lamar?

In Lamar, the average relative humidity in December is 65%.

How many days does it rain in December?

In Lamar, in December, it is raining for 4.2 days, with typically 0.59" (15mm) of accumulated precipitation.

How much does it snow in December?

In Lamar, Nebraska, in December, during 6.8 snowfall days, 2.13" (54mm) of snow is typically accumulated.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 9h and 18min of daylight.

What is the average length of the day in December?

The average day length in December is 9h and 20min.

What time are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 6:52 am and sunset at 4:21 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 4:31 pm MST.

What is the month with the least sunshine?

February and December, with an average of 6.2h of sunshine, are months with the least sunshine in Lamar, Nebraska.

How long on average sun shines in December?

The average sunshine duration in December is 6.2h.

What are the months with the lowest UV index?

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.

What is the UV index reading in December?

In December, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents a minimal hazard to health from unsafe exposure to Sun's UV rays.
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
Lamar, NE

Average temperature in December - Lamar, NE
  • Average high temperature in December: 39.2°F

The warmest month (with the highest average high temperature) is July (88.7°F).
The month with the lowest average high temperature is December (39.2°F).

  • Average low temperature in December: 23.2°F

The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is December (23.2°F).

Average pressure in December
Lamar, NE

Average pressure in December - Lamar, NE
  • Average pressure in December: 30.11"Hg

The months with the highest atmospheric pressure are January and December (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.82"Hg).

Average wind speed in December
Lamar, NE

Average wind speed in December - Lamar, NE
  • Average wind speed in December: 10.6mph

The windiest month (with the highest average wind speed) is April (12.4mph).
The calmest month (with the lowest average wind speed) is August (9.4mph).

Average humidity in December
Lamar, NE

Average humidity in December - Lamar, NE
  • Average humidity in December: 65%

The months with the highest relative humidity are January and February (66%).
The month with the lowest relative humidity is September (51%).

Average rainfall in December
Lamar, NE

Average rainfall in December - Lamar, NE
  • Average rainfall in December: 0.59"

The wettest month (with the highest rainfall) is May (2.99").
The driest month (with the least rainfall) is January (0.43").

Average rainfall days in December
Lamar, NE

Average rainfall days in December - Lamar, NE
  • Average rainfall days in December: 4.2 days

The month with the highest number of rainy days is May (17.8 days).
The months with the least rainy days are November and December (4.2 days).

Average snowfall in December
Lamar, NE

Average snowfall in December - Lamar, NE
  • Average snowfall in December: 2.13"

The month with the highest snowfall is February (3.23").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Lamar, NE

Average snowfall days in December - Lamar, NE
  • Average snowfall days in December: 6.8 days

The months with the highest number of snowfall days are January and February (8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Lamar, NE

Average daylight in December / Average sunshine in December - Lamar, NE
  • Average daylight in December: 9h and 2min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in December: 6h and 1min

The months with the most sunshine are July and August (Average sunshine: 11h and 30min).
The months with the least sunshine are February and December (Average sunshine: 6h and 12min).

Average sunshine days in December
Lamar, NE

Average sunshine days in December - Lamar, NE
  • Average sunshine days in December: 22.1 days

The month with the most sunshine days is November (22.7 days).
The month with the least sunshine days is May (10.6 days).

Average UV index in December
Lamar, NE

Average UV index in December - Lamar, NE
  • Average UV index in December: 2

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in December
Lamar, NE

Average cloud cover in December - Lamar, NE
  • Average cloud cover in December: 31

The month with the most cloud cover is February (Cloud cover 35).
The month with the least cloud cover is August (Cloud cover 19).

Average visibility in December
Lamar, NE

Average visibility in December - Lamar, NE
  • 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).

Lamar, Nebraska, USA

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