The highest day temperature in December 2023 was 67°F. The lowest night temperature was 33°F. The average values for day and night temperatures during December were 49.9°F и 43.2°F respectivly.

The average sea surface temperature in December 2023 for Sunny Beach was 49.8°F. The maximum and minimum values were 48.4°F and 51.6°F respectively.

You can expect various weather conditions during December. Be ready for sunny, cloudy or even gloomy days.

Precipitation total in December for Sunny Beach is 1.4 in.

The average wind speed in December is 9.9 mph. This value is relatively stable throughout the year.

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 Sunny Beach in December is 5.0 hours.