December weather forecastGrainton, NE

December

Weather in December

December, the first month of the winter in Grainton, is also a wintry month, with an average temperature ranging between max 39°F (3.9°C) and min 23.7°F (-4.6°C).

Temperature

December, with its high-temperature average of 39°F (3.9°C) and a low-temperature average of 23.7°F (-4.6°C), is the coldest month.

Humidity

The average relative humidity in December is 65%.

Rainfall

December is the month with the least rainfall. Rain falls for 2.1 days and accumulates 0.16" (4mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In Grainton, in December, snow falls for 4 days, with typically accumulated 0.47" (12mm) of snow. Throughout the year, in Grainton, there are 22.4 snowfall days, and 4.8" (122mm) of snow is accumulated.

Daylight

With an average of 9h and 18min of daylight, December has the shortest days of the year in Grainton.
On the first day of the month, sunrise is at 6:50 am and sunset at 4:18 pm. On the last day of December, sunrise is at 7:09 am and sunset at 4:27 pm MST.

Sunshine

In Grainton, the average sunshine in December is 6.2h.

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 of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: A maximum high UV index of 2 in December translates into the following recommendations:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

December brings the lowest temperatures in Grainton, Nebraska, with an average high of 39°F (3.9°C) and an average low of 23.7°F (-4.6°C).

In December, in Grainton, the average high-temperature is 39°F (3.9°C), and the average low-temperature is 23.7°F (-4.6°C). In August, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which calculates the temperature value influenced by the moisture in the air, is computed to be 91.4°F (33°C).

The average relative humidity in December in Grainton is 65%.

December is the month with the least rainfall in Grainton. Rain falls for 2.1 days and accumulates 0.16" (4mm) of precipitation.

In Grainton, Nebraska, in December, during 2.1 rainfall days, 0.16" (4mm) of precipitation is typically accumulated.

In Grainton, in December, snow falls for 4 days, with typically accumulated 0.47" (12mm) of snow.

With an average of 9h and 18min of daylight, December has the shortest days of the year in Grainton, Nebraska.

In Grainton, the average day length in December is 9h and 18min.

On the first day of December in Grainton, sunrise is at 6:50 am and sunset at 4:18 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 4:27 pm MST.

In December, the average sunshine duration in Grainton, Nebraska, is 6.2h.

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

The average daily maximum UV index in December in Grainton is 2. A UV Index estimate of 2, and below, represents a minimal hazard to health from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
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
Grainton, NE

  • Average high temperature in December: 39°F

The warmest month (with the highest average high temperature) is July (89.8°F).
The month with the lowest average high temperature is December (39°F).

  • Average low temperature in December: 23.7°F

The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).

Average pressure in December
Grainton, NE

  • Average pressure in December: 30.12"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.82"Hg).

Average wind speed in December
Grainton, NE

  • Average wind speed in December: 10.6mph

The windiest month (with the highest average wind speed) is April (12.5mph).
The calmest month (with the lowest average wind speed) is August (9.6mph).

Average humidity in December
Grainton, NE

  • Average humidity in December: 65%

The month with the highest relative humidity is January (67%).
The month with the lowest relative humidity is September (52%).

Average rainfall in December
Grainton, NE

  • Average rainfall in December: 0.16"

The wettest month (with the highest rainfall) is July (1.22").
The driest month (with the least rainfall) is December (0.16").

Average rainfall days in December
Grainton, NE

  • Average rainfall days in December: 2.1 days

The month with the highest number of rainy days is May (12.3 days).
The month with the least rainy days is November (1.9 days).

Average snowfall in December
Grainton, NE

  • Average snowfall in December: 0.47"

The month with the highest snowfall is January (0.98").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Grainton, NE

  • Average snowfall days in December: 4 days

The month with the highest number of snowfall days is February (5.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

  • Average daylight in December: 9h and 18min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in December: 6h and 12min

The months with the most sunshine are July and August (Average sunshine: 11h and 24min).
The month with the least sunshine is February (Average sunshine: 6h and 0min).

Average sunshine days in December
Grainton, NE

  • Average sunshine days in December: 25.4 days

The month with the most sunshine days is November (25.6 days).
The month with the least sunshine days is May (15.6 days).

Average UV index in December
Grainton, 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
Grainton, NE

  • Average cloud cover in December: 32

The month with the most cloud cover is February (Cloud cover 36).
The months with the least cloud cover are August and September (Cloud cover 20).

Average visibility in December
Grainton, 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).