The highest day temperature in December 2024 was 60°F. The lowest night temperature was 29°F. The average values for day and night temperatures during December were 51.0°F и 46.1°F respectivly.

The average sea surface temperature in December 2024 for Sirius was 56.8°F. The maximum and minimum values were 53.2°F and 63.0°F respectively.

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

Precipitation total in December for Sirius is 2.1 in.

The average wind speed in December is 6.1 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 Sirius in December is 4.5 hours.