The highest day temperature in December 2024 was 72°F. The lowest night temperature was 49°F. The average values for day and night temperatures during December were 63.5°F и 54.1°F respectivly.

The average sea surface temperature in December 2024 for Chula Vista was 57.1°F. The maximum and minimum values were 56.2°F and 58.4°F respectively.

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

Precipitation total in December for Chula Vista is 0.6 in. It makes december one of the most rainy months of the year.

The average wind speed in December is 4.6 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 Chula Vista in December is 6.5 hours.