La Jolla Weather in December
La Jolla in December averages 18°C (64°F) during the day and 8°C (46°F) at night. This is the wettest month of the year.
Rainfall in La Jolla in December
As the rainiest month, carrying an umbrella is advisable to manage the frequent rain. Historically, December sees about 7 days of rain, with a monthly average of 64 mm (2.5 in). Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.
Temperature in La Jolla in December
Expect highs of 18°C (64°F) in La Jolla in December, with nights dropping to around 8°C (46°F). A light jacket or extra layer can be useful, especially outside the warmest hours of the day. Nights drop to 8°C (46°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet. This month is known for its mildest temperatures of the year, yet it still offers a pleasantly warm days.
Sunshine in La Jolla in December
Expect sunny days throughout the month, with an estimated 231 hours of sunshine. This makes it a pleasant time to visit La Jolla.If you're looking for dry conditions and comfortable temperatures, December may not be the ideal month to visit La Jolla. Our weather planner can help you explore destinations with more pleasant weather conditions.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our La Jolla's climate page.
La Jolla Temperature in December
Min Temperature
8°C (46°F)
Max Temperature
18°C (64°F)
Chance of Rain
24%
Precipitation
64 mm (2.5 in)
Rainy days
7 days
Humidity
64% *
Sunshine
231 hours *
Percentage Sunshine
74% *
Best Places in the United States of America in December
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in December →
perfect weather
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tolerable
unpleasant
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What to Wear in La Jolla in December
For La Jolla in December, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Rain is likely on several days, so bring a good rain jacket. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.What To Do in La Jolla in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our La Jolla's climate page.
Temperature Rainfall Sunshine Humidity
See the full La Jolla climate overview or explore weather in the United States of America.
