December weather forecast
Valentine, NE

December in Valentine, Nebraska solidifies the passage into the heart of winter. The month experiences the sharpest thermal decline from the warmer weather in November. With snowfall rising to 5.1" (130mm), the cold sets in, covering the city in a winter wonderland. Further shortening daylight hours accompany the plummeting temperatures. The change in weather encapsulates the holiday spirit that is synonymous with the month.

Temperature

The onset of December in Valentine coincides with a reduction in the average high-temperature, falling from a frosty 47.7°F (8.7°C) in November to an icy 36.7°F (2.6°C). Valentine's average low-temperature of 10.9°F (-11.7°C) in December reflects a considerable decline from the daytime peak.

Humidity

In Valentine, the average relative humidity in December is 64.3%.

Rainfall

In Valentine, in December, during 4.5 rainfall days, 0.35" (9mm) of precipitation is typically accumulated. Throughout the year, there are 87.9 rainfall days, and 20.04" (509mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, September through December. In Valentine, during December, snow falls for 3.9 days and regularly aggregates up to 5.12" (130mm) of snow. Throughout the year, in Valentine, there are 22.3 snowfall days, and 33.31" (846mm) of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 9h and 6min of daylight.
On the first day of the month, sunrise is at 6:54 am and sunset at 4:08 pm. On the last day of December, in Valentine, sunrise is at 7:12 am and sunset at 4:18 pm MST.

Sunshine

With an average of 5.3h of sunshine, December has the least sunshine of the year.

UV index

January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum daily UV index of 1 in December converts into the following recommendations:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Experience reduced UV exposure by about half when donning a wide-brim hat. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.