La Jolla Weather in January
January in La Jolla brings pleasant temperatures, with daytime highs of 19°C (66°F) and nights around 8°C (46°F). Expect around 40 mm (1.6 in) of rainfall during the month.
Rainfall in La Jolla in January
Typically around 5 days of rainfall are expected, averaging 40 mm (1.6 in) for the month. Rainfall tends to arrive in short, intense showers this month. Rain days are few, but the showers can be surprisingly heavy.
Temperature in La Jolla in January
Daytime highs in La Jolla in January reach 19°C (66°F), with nights around 8°C (46°F). The difference between afternoon and evening temperatures is usually noticeable. With overnight lows of 8°C (46°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.
Sunshine in La Jolla in January
Expect a lot of sunshine this month, with about 240 hours of sun. These sunny conditions add to the overall experience.January in La Jolla has its charm. However, if you're seeking pleasant, dry and sunny weather, our weather planner can help you explore other destinations in the world.
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 January
Min Temperature
8°C (46°F)
Max Temperature
19°C (66°F)
Chance of Rain
18%
Precipitation
40 mm (1.6 in)
Rainy days
5 days
Humidity
64% *
Sunshine
240 hours *
Percentage Sunshine
75% *
Best Places in the United States of America in January
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 January →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in La Jolla in January
For La Jolla in January, 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. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in La Jolla in January
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.
