Measurements:
°C
°F
San Diego
70°F
SE 9 mph
Feels like: 70°F
Precip: 0%
World Resorts USA San Diego Weather December Weather in San Diego

San Diego Weather: December

Average Day Temperature: 64.8°F
Average Night Temperature: 53.7°F
Sea Water Temperature: 62.1°F
Number of Sunny Days: 18 days
Sunshine Hours: 10.0 - 10.2 hours
Number of Rainy Days: 2 days
Precipitation Totals: 1.3 in

Air Temperature in December, °F

Select Year: 2023 2022 2021

The highest day temperature in December 2023 was 81°F. The lowest night temperature was 51°F. The average values for day and night temperatures during December were 67.6°F и 58.6°F respectivly.

San Diego Water Sea Temperature in December, °F

Select Year: 2023 2022 2021

The average sea surface temperature in December 2023 for San Diego was 63.5°F. The maximum and minimum values were 62.8°F and 64.6°F respectively.

Sunny, Cloudy and Gloomy days

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

Precipitation Totals in December, in

Precipitation total in December for San Diego is 1.3 in. It makes december the most rainy month of the year.

Wind Speed in December, mph

The average wind speed in December is 5.6 mph. This value is relatively stable throughout the year.

Average Sunny Hours Per Day

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 San Diego in December is 7.0 hours.

Best Time to Visit San Diego
The most sunny months:
July 23 days
August 22 days
June 22 days
The most warm months:
August 82.2 °F
September 81.1 °F
July 79.3 °F
Warmest sea temperature:
August 72.1 °F
September 71.3 °F
July 71.1 °F
The most cold months:
January 64.6 °F
December 64.8 °F
February 64.8 °F
The most rainy months:
March 2 days
February 2 days
January 2 days
The most windy months:
May 7 mph
April 7 mph
March 7 mph

San Diego on the Weather Map

USA Resorts:
NAME
Boston +48
Chicago +34
Hawaii +80
Honolulu +80
Houston +74
Las Vegas +68
Los Angeles +74
Maui +74
Miami +80
New York +48
San Diego +70
San Francisco +58
Sarasota +74
Tampa +72
Washington +48
24 Hours Weather Forecast
San Diego
Local time: 14:21
21 nov, thursday
1500 70°F
SE
9 mph
1800 62°F
SE
8 mph
2100 58°F
SE
6 mph
22 nov, friday
0000 54°F
SE
6 mph
0300 50°F
SE
6 mph
0600 50°F
SE
6 mph
0900 52°F
SE
6 mph
1200 60°F
SE
4 mph