The highest day temperature in December 2023 was 88°F. The lowest night temperature was 81°F. The average values for day and night temperatures during December were 86.6°F и 85.9°F respectivly.

The average sea surface temperature in December 2023 for Silhouette was 89.7°F. The maximum and minimum values were 89.0°F and 90.4°F respectively.

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

Precipitation total in December for Silhouette is 8.3 in. It makes december the most rainy month of the year.

The average wind speed in December is 10.9 mph. It makes December one of the most windless months of the year for Silhouette.

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 Silhouette in December is 6.1 hours.