December weather forecast
Byron, NE

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Weather in December

December, the first month of the winter in Byron, is also an icy month, with an average temperature varying between 24.3°F (-4.3°C) and 39°F (3.9°C).

Temperature

The decrease of average high-temperatures is mild in December, with a decline from a fresh 52.2°F (11.2°C) in November to a wintry 39°F (3.9°C). December is noted for a mean low-temperature of 24.3°F (-4.3°C).

Humidity

In December, the average relative humidity is 72%.

Rainfall

In Byron, Nebraska, in December, it is raining for 4.2 days, with typically 1.1" (28mm) of accumulated precipitation. In Byron, during the entire year, the rain falls for 120.4 days and collects up to 23.54" (598mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. In Byron, during December, snow falls for 4.6 days and regularly aggregates up to 1.34" (34mm) of snow. In Byron, during the entire year, snow falls for 22.9 days and aggregates up to 10.2" (259mm) of snow.

Daylight

With an average of 9h and 24min of daylight, December has the shortest days of the year in Byron.
On the first day of December in Byron, sunrise is at 7:34 am and sunset at 5:06 pm. On the last day of the month, sunrise is at 7:52 am and sunset at 5:16 pm CST.

Sunshine

The months with the least sunshine in Byron are January and December, with an average of 5.7h of sunshine.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for the average person.
Note: During December, 2 as the daily maximum UV index converts into the following advice:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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Frequently asked questions

How cold is December in Byron?

During December, Byron experiences an average high-temperature of 39°F (3.9°C) and a low-temperature of 24.3°F (-4.3°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, in August is calculated to be 96.8°F (36°C).

What is the average humidity in December in Byron?

The average relative humidity in December is 72%.

How much does it rain in Byron in December?

In December, in Byron, the rain falls for 4.2 days. Throughout December, 1.1" (28mm) of precipitation is accumulated.

How many days does it snow in December in Byron?

In December, in Byron, Nebraska, it is snowing for 4.6 days. Throughout December, 1.34" (34mm) of snow is accumulated.

What is the month with the shortest days in Byron?

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

How many hours of daylight does Byron have in December?

The average day length in December is 9h and 23min.

What time are sunrise and sunset in December in Byron?

On the first day of December in Byron, sunrise is at 7:34 am and sunset at 5:06 pm. On the last day of the month, sunrise is at 7:52 am and sunset at 5:16 pm CST.

What are the months with the least sunshine in Byron?

The months with the least sunshine in Byron, Nebraska, are January and December, with an average of 5.7h of sunshine.

How many hours of sunshine does Byron have in December?

The average sunshine duration in December is 5.7h.

What is the month with the lowest UV index in Byron?

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

How high is the UV index in December in Byron?

The average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes 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
Byron, NE

Average temperature in December - Byron, NE
  • Average high temperature in December: 39°F

The warmest month (with the highest average high temperature) is July (90°F).
The month with the lowest average high temperature is January (36.7°F).

  • Average low temperature in December: 24.3°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 (21.2°F).

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Average pressure in December
Byron, NE

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

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

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Average wind speed in December
Byron, NE

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

The windiest month (with the highest average wind speed) is April (11.6mph).
The calmest month (with the lowest average wind speed) is August (8.4mph).

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Average humidity in December
Byron, NE

Average humidity in December - Byron, NE
  • Average humidity in December: 72%

The month with the highest relative humidity is January (73%).
The month with the lowest relative humidity is October (63%).

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Average rainfall in December
Byron, NE

Average rainfall in December - Byron, NE
  • Average rainfall in December: 1.1"

The wettest month (with the highest rainfall) is May (3.86").
The driest month (with the least rainfall) is February (0.71").

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Average rainfall days in December
Byron, NE

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

The month with the highest number of rainy days is May (16.2 days).
The month with the least rainy days is January (3.4 days).

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Average snowfall in December
Byron, NE

Average snowfall in December - Byron, NE
  • Average snowfall in December: 1.34"

The month with the highest snowfall is January (3.39").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Byron, NE

Average snowfall days in December - Byron, NE
  • Average snowfall days in December: 4.6 days

The month with the highest number of snowfall days is February (5.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Byron, 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: 5h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 54min).
The months with the least sunshine are January and December (Average sunshine: 5h and 42min).

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Average sunshine days in December
Byron, NE

Average sunshine days in December - Byron, NE
  • Average sunshine days in December: 21.8 days

The month with the most sunshine days is January (22.8 days).
The month with the least sunshine days is June (11.8 days).

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Average UV index in December
Byron, NE

Average UV index in December - Byron, 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).

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Average cloud cover in December
Byron, NE

Average cloud cover in December - Byron, NE
  • Average cloud cover in December: 36

The month with the most cloud cover is March (Cloud cover 40).
The months with the least cloud cover are June and July (Cloud cover 24).

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Average visibility in December
Byron, NE

Average visibility in December - Byron, 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).

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Byron, Nebraska, USA

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