December weather forecast
Havre, MT

Concluding the year, December offers typical winter weather in Havre, Montana, marked by the year's lowest daylight hours. The city shivers under the hefty 7.7" (196mm) of snowfall, emphasizing the dominance of winter. Frosted landscapes and decorated houses give Havre a festive feel. Amid the cold, the December weather epitomises the traditional image of a white Christmas, adding to the holiday spirit.

Temperature

A moderate decline in the average high-temperature is seen during December, decreasing from a cold 40.8°F (4.9°C) in November to a subzero cold 30°F (-1.1°C). Havre observes a noteworthy temperature drop from the daily highs during December nights, with a mean temperature of 7.9°F (-13.4°C).

Rainfall

In Havre, in December, it is raining for 7 days, with typically 0.51" (13mm) of accumulated precipitation. Throughout the year, there are 89.9 rainfall days, and 11.46" (291mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Havre are January through May, September through December. In Havre, in December, snow falls for 7.7 days, with typically accumulated 7.72" (196mm) of snow. In Havre, during the entire year, snow falls for 38.5 days and aggregates up to 45.2" (1148mm) of snow.

Daylight

The month with the shortest days is December, with an average of 8h and 24min of daylight.
On the first day of December, sunrise is at 7:50 am and sunset at 4:25 pm. On the last day of the month, sunrise is at 8:10 am and sunset at 4:33 pm MST.

Sunshine

January and December, with an average of 4h of sunshine, are months with the least sunshine.

UV index

The months with the lowest UV index are January, February, 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 rays for the average person.
Note: The maximum daily UV index of 1 in December interprets into the following recommendations:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. The Sun's radiation is especially intense around midday; try to stay in shade during this period. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.