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San Diego weather in December

Weather in San Diego: December

Average day temperature: 87.0°F
Average night temperature: 76.5°F
Sea water temperature: 81.5°F
Number of sunny days: 24 days
Day length: 11.4 - 11.5 hours
Number of rainy days: 0 days
Precipitation totals: 0.1 in.

Air temperature in December, °F

Show year:
2023
2022
2021

The highest day temperature during December of 2023 was 89°F. At the same time the lowest night temperature was 72°F. Day and night temperature averages during December were 87.5°F and 77.3°F.

Sea water temperature in San Diego in December, °F

Show year:
2024
2023
2022

The average sea water temperature in December of 2023 was 82.8°F. The highest and lowest sea temperatures during the month were 84.0°F and 81.5°F.

Sunny, partly cloudy and cloudy days

Mostly all days in December are sunny but cloudy days are also possible.

Precipitation total in December, in.

Precipitation total value in San Diego in December is 0.1 in. Other months of the year show relatively similar values.

Wind speed in December, mph

The average wind speed value in December is 11.0 mph It makes December one of the most windy months of the year.

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in December is: 9.2.

Best time for vacation in San Diego

Sunniest months:
January 28 days
March 28 days
February 27 days
Warmest months:
April 92.8 °F
March 92.4 °F
February 91.0 °F
Warmest sea temp:
September 85.0 °F
October 84.9 °F
August 84.7 °F
Coldest months:
November 83.1 °F
October 83.4 °F
June 84.6 °F
Rainiest months:
June 14 days
October 11 days
September 11 days
Windiest months:
February 13.3 mph
January 12.5 mph
March 12.0 mph

San Diego on a weather map

San Diego
+88°F
W 9 mph
Feels like: +91°F
Precip.: 0%
Places in Nicaragua:
Name
°F
+91°F
+86°F
+84°F
+88°F
+79°F
+86°F
+88°F
+86°F
+88°F
+88°F
+81°F
+88°F
24 Hours Forecast
San Diego
Local time: 12:48
December 24, tuesday
1500
84°F
SW
6 mph
1800
82°F
W
11 mph
2100
79°F
W
14 mph
December 25, wednesday
0000
79°F
SW
11 mph
0300
79°F
W
9 mph
0600
77°F
W
8 mph
0900
82°F
W
11 mph
1200
86°F
W
11 mph
Units of measurement: °C / °F