December weather forecast
Sparta, NE

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Weather in December

The first month of the winter, December, is also a subzero cold month in Sparta, Nebraska, with an average temperature fluctuating between 30.4°F (-0.9°C) and 18.3°F (-7.6°C).

Temperature

As December begins, there is a noticeable decrease in the average high-temperature, falling from a chilly 46.4°F (8°C) in November to a subzero cold 30.4°F (-0.9°C). In the month of December, Sparta witnesses a consistent average low-temperature of 18.3°F (-7.6°C).

Humidity

The average relative humidity in December is 81%.

Rainfall

In Sparta, Nebraska, in December, it is raining for 3.1 days, with typically 0.59" (15mm) of accumulated precipitation. In Sparta, during the entire year, the rain falls for 104.1 days and collects up to 14.29" (363mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall. In Sparta, in December, snow falls for 6.5 days, with typically accumulated 1.22" (31mm) of snow. In Sparta, Nebraska, during the entire year, snow falls for 32.8 days and aggregates up to 8.35" (212mm) of snow.

Daylight

With an average of 9h and 6min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 7:43 am and sunset at 4:59 pm. On the last day of December, sunrise is at 8:01 am and sunset at 5:08 pm CST.

Sunshine

In Sparta, the average sunshine in December is 4.9h.

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 estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for the average person.
Note: A maximum UV index of 2 in December translates into the following recommendations:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.

Frequently asked questions

How cold is December?

December temperatures vary between a high-temperature of 30.4°F (-0.9°C) and a low-temperature of 18.3°F (-7.6°C). The average heat index (a.k.a. 'feels like', 'real feel'), which combines relative humidity and air temperature, in August is computed to be 91.4°F (33°C).

What is the average humidity in December?

In Sparta, the average relative humidity in December is 81%.

How much does it rain in December?

In Sparta, during December, the rain falls for 3.1 days and regularly aggregates up to 0.59" (15mm) of precipitation.

How much does it snow in December?

In December, it is snowing for 6.5 days. Throughout December, 1.22" (31mm) of snow is accumulated.

What is the month with the shortest days?

December has the shortest days of the year, 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 in Sparta is 9h and 7min.

When is the sunrise / sunset in December?

In December, on the first day of the month, sunrise is at 7:43 am and sunset at 4:59 pm. On the last day of the month, sunrise is at 8:01 am and sunset at 5:08 pm CST.

How long on average sun shines in December?

In Sparta, the average sunshine duration in December is 4.9h.

What are the months with the lowest UV index?

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

How high is the UV index in December?

The average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a low health risk from 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
Sparta, NE

Average temperature in December - Sparta, NE
  • Average high temperature in December: 30.4°F

The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (27.3°F).

  • Average low temperature in December: 18.3°F

The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (13.6°F).

Average pressure in December
Sparta, NE

Average pressure in December - Sparta, NE
  • 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 (29.85"Hg).

Average wind speed in December
Sparta, NE

Average wind speed in December - Sparta, NE
  • Average wind speed in December: 10.3mph

The windiest month (with the highest average wind speed) is April (11.1mph).
The calmest month (with the lowest average wind speed) is July (8.3mph).

Average humidity in December
Sparta, NE

Average humidity in December - Sparta, NE
  • Average humidity in December: 81%

The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is October (62%).

Average rainfall in December
Sparta, NE

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

The wettest month (with the highest rainfall) is May (2.72").
The driest month (with the least rainfall) is February (0.31").

Average rainfall days in December
Sparta, NE

Average rainfall days in December - Sparta, NE
  • Average rainfall days in December: 3.1 days

The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is January (2.9 days).

Average snowfall in December
Sparta, NE

Average snowfall in December - Sparta, NE
  • Average snowfall in December: 1.22"

The months with the highest snowfall are January and March (1.93").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in December
Sparta, NE

Average snowfall days in December - Sparta, NE
  • Average snowfall days in December: 6.5 days

The month with the highest number of snowfall days is January (8.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Sparta, NE
  • Average daylight in December: 9h and 1min

The month with the longest days is June (Average daylight: 15h and 18min).
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 July (Average sunshine: 11h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).

Average sunshine days in December
Sparta, NE

Average sunshine days in December - Sparta, NE
  • Average sunshine days in December: 22.5 days

The month with the most sunshine days is November (23.4 days).
The month with the least sunshine days is June (12.3 days).

Average UV index in December
Sparta, NE

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

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in December
Sparta, NE

Average cloud cover in December - Sparta, NE
  • Average cloud cover in December: 46

The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 23).

Average visibility in December
Sparta, NE

Average visibility in December - Sparta, 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).

Sparta, Nebraska, USA

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