The highest day temperature in December 2025 was 45°F. The lowest night temperature was -13°F. The average values for day and night temperatures during December were 22.2°F и 15.3°F respectivly.

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

Precipitation total in December for Arnolds Park is 0.4 in. It makes december one of the least rainy months of the year.

The average wind speed in December is 10.2 mph. It makes December one of the most windless months of the year for Arnolds Park.

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 Arnolds Park in December is 4.4 hours.