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San Diego Weather in December

Averages By Month

The weather in San Diego in December offers some pleasant, mild temperatures with highs of 66°F (19°C). And if you are trying to get some sun in the middle of winter you will be lucky as San Diego has 7 hours of daily sunshine to offer even in December. You can relax nicely at the beautiful beaches but the Pacific will probably be too cold to take a swim in with its 61°F (16°C) water temperature. There are 4 rainy days to be expected for the whole month of December in San Diego and temperature lows (mainly at nighttime) drop to 48°F (9°C) on average.

Stroll along the beautiful beaches of San Diego and explore everything the area has to offer. Even though the temperatures are mild, there are plenty of Christmasy things to do as well. The San Diego Bay Parade of Lights is a must and the Balboa Park December Nights are a great place to get into the holiday spirit!

High and Low Temperature in December °F

Precipitation days in December °F

Current Weather San Diego

85°F few clouds
Local Time

Hourly 10 Days

Averages San Diego

  J F M A M J J A S O N D

High °F

64° 66° 68° 68° 70° 72° 75° 79° 77° 75° 70° 66°

Low °F

46° 48° 50° 54° 57° 61° 64° 66° 63° 59° 54° 48°

Sun

7h 8h 9h 9h 8h 8h 10h 9h 8h 8h 8h 7h

Rain days

5 6 6 2 2 0 0 0 0 2 3 4

Water °F

59 59 61 63 63 66 70 72 68 66 64 61

San Diego Weather by Month

Best Time to Visit San Diego

San Diego is a fantastic place to visit any time of the year. The temperature chart is well balanced all year round.

During summer, average daytime temperatures hover in the low 70s F (low 20s C) and winters also remain pleasantly warm with temperatures in the low 60s F (high 10s C). Temperatures never drop below the freezing point. May and June tend to be a little more overcast and less sunny.

The Pacific Ocean, however, remains relatively cool all year round and also in summer its water temperature rarely gets warmer than 72°F (22°C). If you are looking to swim, you should try to visit San Diego either in July or August.

San Diego sun pacific ocean surfer water waves beach
San Diego coast pacific ocean houses palm trees

Things to know about San Diego

San Diego is probably one of the least typical US cities one would imagine. Even though there is a downtown with skyscrapers and everything else any larger US city has to offer, the city is mostly characterized by its Hispanic influence. Even though only a 2 hour drive from Los Angeles, the city directly borders Mexico and that’s what gives San Diego this unique feel and a lot of history and sights. Below you can find a summary of the best attractions and everything you should know before travelling to San Diego.
San Diego Balboa park squirrel
San Diego balboa park fountain courtyard
San Diego old town souvenirs skulls mexican
San Diego USS Midway ship
San Diego beach waves pacific ocean people
San Diego beach palm trees water surfers buildings coast

San Diego Location

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