The highest day temperature in December 2025 was 78°F. The lowest night temperature was 12°F. The average values for day and night temperatures during December were 50.3°F и 36.5°F respectivly.

Most of the days in December are sunny but you can also expect cloudy and gloomy days.

Precipitation total in December for Bella Vista is 0.7 in. It makes december the least rainy month of the year.

The average wind speed in December is 9.0 mph. It makes December one of the most windy months of the year for Bella Vista.

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Bella Vista in December is 5.7 hours.