The highest day temperature in December 2023 was 67°F. The lowest night temperature was 20°F. The average values for day and night temperatures during December were 52.4°F и 34.8°F respectivly.

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

Precipitation total in December for St. George is 0.2 in. This value is relatively stable throughout the year.

The average wind speed in December is 4.4 mph. It makes December one of the most windless months of the year for St. George.

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 St. George in December is 7.2 hours.