December weather forecast
Bartley, NE

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Weather in December

The first month of the winter, December, is still a cold month in Bartley, Nebraska, with an average temperature fluctuating between 39.4°F (4.1°C) and 23.9°F (-4.5°C).

Temperature

During the coldest month, December, temperatures average a high of 39.4°F (4.1°C) and a low of 23.9°F (-4.5°C).

Humidity

In Bartley, the average relative humidity in December is 67%.

Rainfall

In Bartley, during December, the rain falls for 2.9 days and regularly aggregates up to 0.75" (19mm) of precipitation. Throughout the year, there are 103 rainfall days, and 15.94" (405mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Bartley are January through May, October through December. In December, in Bartley, Nebraska, it is snowing for 5 days. Throughout December, 1.57" (40mm) of snow is accumulated. Throughout the year, there are 23.9 snowfall days, and 9.88" (251mm) of snow is accumulated.

Daylight

The month with the shortest days in Bartley is December, with an average of 9h and 24min of daylight.
On the first day of December, sunrise is at 7:45 am and sunset at 5:15 pm. On the last day of the month, sunrise is at 8:03 am and sunset at 5:25 pm CST.

Sunshine

In Bartley, the average sunshine in December is 6.3h.

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 of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for average individuals.
Note: A maximum UV index of 2 in December translates into the following recommendations:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What time of the year is the coldest in Bartley?

December, known for its average high temperature of 39.4°F (4.1°C) and an average low temperature of 23.9°F (-4.5°C), is the coldest month in Bartley.

How cold is it in Bartley in December?

In December, in Bartley, the average high-temperature is 39.4°F (4.1°C), and the average low-temperature is 23.9°F (-4.5°C). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which represents the influence of relative humidity on air temperature, in September is evaluated at 82.4°F (28°C).

What is the average humidity in December in Bartley?

In December, the average relative humidity is 67%.

How much does it rain in Bartley in December?

In Bartley, during December, the rain falls for 2.9 days and regularly aggregates up to 0.75" (19mm) of precipitation.

How many days does it snow in December in Bartley?

In Bartley, in December, snow falls for 5 days, with typically accumulated 1.57" (40mm) of snow.

What is the month with the shortest days in Bartley?

The month with the shortest days in Bartley is December, with an average of 9h and 24min of daylight.

What is the average length of the day in December in Bartley?

In Bartley, Nebraska, the average day length in December is 9h and 22min.

When are sunrise and sunset in December in Bartley?

On the first day of December, sunrise is at 7:45 am and sunset at 5:15 pm. On the last day of the month, sunrise is at 8:03 am and sunset at 5:25 pm CST.

How long on average sun shines in December in Bartley?

The average sunshine duration in December in Bartley is 6.3h.

When is the lowest UV index in Bartley?

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

How high is the UV index in December in Bartley?

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 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
Bartley, NE

Average temperature in December - Bartley, NE
  • Average high temperature in December: 39.4°F

The warmest month (with the highest average high temperature) is July (91.4°F).
The month with the lowest average high temperature is December (39.4°F).

  • Average low temperature in December: 23.9°F

The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).

Average pressure in December
Bartley, NE

Average pressure in December - Bartley, NE
  • Average pressure in December: 30.13"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).

Average wind speed in December
Bartley, NE

Average wind speed in December - Bartley, NE
  • Average wind speed in December: 10.2mph

The windiest month (with the highest average wind speed) is April (12.2mph).
The calmest month (with the lowest average wind speed) is August (9.6mph).

Average humidity in December
Bartley, NE

Average humidity in December - Bartley, NE
  • Average humidity in December: 67%

The month with the highest relative humidity is January (68%).
The months with the lowest relative humidity are July and October (54%).

Average rainfall in December
Bartley, NE

Average rainfall in December - Bartley, NE
  • Average rainfall in December: 0.75"

The wettest month (with the highest rainfall) is May (2.6").
The driest month (with the least rainfall) is January (0.35").

Average rainfall days in December
Bartley, NE

Average rainfall days in December - Bartley, NE
  • Average rainfall days in December: 2.9 days

The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is February (2.1 days).

Average snowfall in December
Bartley, NE

Average snowfall in December - Bartley, NE
  • Average snowfall in December: 1.57"

The month with the highest snowfall is February (2.13").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Bartley, NE

Average snowfall days in December - Bartley, NE
  • Average snowfall days in December: 5 days

The month with the highest number of snowfall days is February (6.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Bartley, 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 24min).

  • Average sunshine in December: 6h and 2min

The month with the most sunshine is July (Average sunshine: 11h and 24min).
The month with the least sunshine is January (Average sunshine: 6h and 12min).

Average sunshine days in December
Bartley, NE

Average sunshine days in December - Bartley, NE
  • Average sunshine days in December: 23.7 days

The months with the most sunshine days are January and November (24.3 days).
The month with the least sunshine days is August (13.1 days).

Average UV index in December
Bartley, NE

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

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

Average cloud cover in December
Bartley, NE

Average cloud cover in December - Bartley, NE
  • Average cloud cover in December: 32

The month with the most cloud cover is February (Cloud cover 35).
The month with the least cloud cover is June (Cloud cover 20).

Average visibility in December
Bartley, NE

Average visibility in December - Bartley, 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).

Bartley, Nebraska, USA

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