The highest day temperature in December 2023 was 63°F. The lowest night temperature was 47°F. The average values for day and night temperatures during December were 58.5°F и 52.4°F respectivly.

The average sea surface temperature in December 2023 for Oakland was 55.8°F. The maximum and minimum values were 54.4°F and 57.0°F respectively.

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

Precipitation total in December for Oakland is 1.6 in. It makes december the most rainy month of the year.

The average wind speed in December is 5.9 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 Oakland in December is 5.6 hours.