December weather forecast
Whitefish, MT

December plunges Whitefish into the full swing of winter with a drop in temperatures, reduced daylight hours, and more frequent snowfall. The city dons a pristine white coat, with frozen landscapes echoing the quiet, serene ambiance of winter. As temperatures continue to drop and hover between 16°F (-8.9°C) and 30°F (-1.1°C), residents and visitors alike find themselves amidst the coldest month of the year. December also sees increased precipitation levels at 2" (51mm), predominantly as snow, across 15 days. The 8.4 daylight hours, further reinforce December's role as a harbinger of winter season.

Temperature

December in Whitefish heralds a minor drop in average high-temperature, sliding from November's icy 37.4°F (3°C) to a freezing cold 30.2°F (-1°C). Whitefish records an average low of 15.8°F (-9°C) throughout the nights in December.

Rainfall

In Whitefish, during December, the rain falls for 15 days and regularly aggregates up to 1.97" (50mm) of precipitation. In Whitefish, during the entire year, the rain falls for 131 days and collects up to 19.8" (503mm) of precipitation.

Daylight

December has the shortest days of the year, with an average of 8h and 24min of daylight.
On the first day of the month, sunrise is at 8:08 am and sunset at 4:44 pm. On the last day of December, sunrise is at 8:28 am and sunset at 4:52 pm MST.

Sunshine

January and December, with an average of 2h of sunshine, are months with the least sunshine.

UV index

The months with the lowest UV index are January, November and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for average individuals.
Note: In December, the maximum UV index of 1 transforms into these recommendations:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.