Climate and monthly weather forecast
La Jolla, CA

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Weather in January

January, the same as December, is another enjoyable winter month in La Jolla, California, with an average temperature fluctuating between 51.4°F (10.8°C) and 64.9°F (18.3°C). January observes an average high-temperature of a still refreshing 64.9°F (18.3°C), marking an insignificant difference from December's 63.5°F (17.5°C). Weather in January »

Weather in February

The last month of the winter, February, is another refreshing month in La Jolla, California, with temperature in the range of an average high of 64.2°F (17.9°C) and an average low of 50.2°F (10.1°C). The initiation of February records an average high-temperature of a still comfortable 64.2°F (17.9°C), displaying a near consistency with the previous month. Weather in February »

Weather in March

March, the first month of the spring in La Jolla, is still a refreshing month, with temperature in the range of an average low of 51.6°F (10.9°C) and an average high of 65.1°F (18.4°C). During March, La Jolla observes a subtle ascent to a still refreshing 65.1°F (18.4°C) from February's 64.2°F (17.9°C) in the average high-temperature. Weather in March »

Weather in April

April, the same as March, is another refreshing spring month in La Jolla, California, with an average temperature varying between 53.2°F (11.8°C) and 67.5°F (19.7°C). The beginning of April records an average high-temperature of a still enjoyable 67.5°F (19.7°C), marking a negligible difference from March's 65.1°F (18.4°C). Weather in April »

Weather in May

The last month of the spring, May, is an agreeable month in La Jolla, California, with temperature in the range of an average low of 55.6°F (13.1°C) and an average high of 68.7°F (20.4°C). May's beginning signals an average high-temperature of an agreeable 68.7°F (20.4°C), barely different from April's 67.5°F (19.7°C). Weather in May »

Weather in June

The first month of the summer, June, is still a pleasant month in La Jolla, California, with temperature in the range of an average high of 72.5°F (22.5°C) and an average low of 58.6°F (14.8°C). As June takes its course, La Jolla's average high-temperature registers at a still agreeable 72.5°F (22.5°C), closely aligning with the preceding month. Weather in June »

Weather in July

July in La Jolla, California, is a moderately hot summer month, with temperature in the range of an average high of 77.5°F (25.3°C) and an average low of 63.9°F (17.7°C). July observes an average high-temperature of a moderately hot 77.5°F (25.3°C), marking an insignificant difference from June's 72.5°F (22.5°C). Weather in July »

Weather in August

August, the last month of the summer in La Jolla, is also a moderately hot month, with temperature in the range of an average high of 79.3°F (26.3°C) and an average low of 65.8°F (18.8°C). August, noted for its average high-temperature of 79.3°F (26.3°C) and an average low-temperature of 65.8°F (18.8°C), is considered the warmest month. Weather in August »

Weather in September

September, the first month of the autumn in La Jolla, is also a moderately hot month, with an average temperature fluctuating between 78.6°F (25.9°C) and 64.4°F (18°C). A minor adjustment in La Jolla's average high-temperature is noted with the start of September, touching a still moderately hot 78.6°F (25.9°C) from August's 79.3°F (26.3°C). Weather in September »

Weather in October

October, the same as September, is another warm autumn month in La Jolla, California, with temperature in the range of an average high of 74.7°F (23.7°C) and an average low of 60.8°F (16°C). Transitioning into October, La Jolla records an average high-temperature of a still warm 74.7°F (23.7°C), almost identical to September's 78.6°F (25.9°C). Weather in October »

Weather in November

The last month of the autumn, November, is also an agreeable month in La Jolla, California, with an average temperature fluctuating between 56.1°F (13.4°C) and 69.8°F (21°C). Entering November, La Jolla's average high-temperature reads an agreeable 69.8°F (21°C), indicating a close resemblance to the previous month's climate. Weather in November »

Weather in December

The first month of the winter, December, is still a comfortable month in La Jolla, California, with temperature in the range of an average high of 63.5°F (17.5°C) and an average low of 51.3°F (10.7°C). December is the coldest month, exhibiting average temperatures of 63.5°F (17.5°C) at the peak and 51.3°F (10.7°C) at the base. Weather in December »
Updated: Feb 9, 2024 | Published by: Weather U.S. | About Us / Weather Forecasting / Data Sources

Frequently asked questions

How many days does it rain in La Jolla?

Throughout the year, in La Jolla, there are 57.9 rainfall days, and 7.48" (190mm) of precipitation is accumulated.

What is the month with the lowest UV index in La Jolla?

January through March, November and December, with an average maximum UV index of 4, are months with the lowest UV index in La Jolla, California.

What is the wettest month in La Jolla?

February is the month with the most rainfall in La Jolla, California. Rain falls for 6.4 days and accumulates 1.46" (37mm) of precipitation.

When is the ocean coldest in La Jolla?

February is the month with the coldest seawater in La Jolla, California, with an average ocean temperature of 58.6°F (14.8°C).

When is Daylight Saving Time (DST) in La Jolla?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in La Jolla, California, and the time zone changes from PST to PDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from PDT to PST.

What is the most humid month in La Jolla?

May and June, with an average relative humidity of 71%, are most humid months.

What is the driest month in La Jolla?

June is the month with the least rainfall in La Jolla, California. Rain falls for 2.2 days and accumulates 0.12" (3mm) of precipitation.

When are the longest days in La Jolla?

The month with the longest days in La Jolla is June, with an average of 14h and 18min of daylight.

What month has the most sunshine in La Jolla?

July has the most sunshine of the year in La Jolla, with an average of 12h of sunshine.

When is the highest UV index in La Jolla?

July through September, with an average maximum UV index of 6, are months with the highest UV index.

What part of the year is the hottest in La Jolla?

August is the month when La Jolla experiences its warmest temperatures, averaging a high of 79.3°F (26.3°C) and a low of 65.8°F (18.8°C).

What is the month with the warmest ocean in La Jolla?

August is the month with the warmest seawater in La Jolla, California, with an average ocean temperature of 68°F (20°C).

What is the least humid month in La Jolla?

With an average relative humidity of 57%, November is the least humid month in La Jolla, California.

What part of the year is the coldest in La Jolla?

December is the month that records the lowest temperatures, with averages ranging from a high of 63.5°F (17.5°C) to a low of 51.3°F (10.7°C).

What is the month with the shortest days in La Jolla?

The month with the shortest days in La Jolla, California, is December, with an average of 10h and 0min of daylight.

What is the month with the least sunshine in La Jolla?

December has the least sunshine of the year, with an average of 6.8h of sunshine.

Average temperature
La Jolla, CA

Average temperature - La Jolla, CA

The warmest month (with the highest average high temperature) is August (79.3°F).
The month with the lowest average high temperature is December (63.5°F).

The month with the highest average low temperature is August (65.8°F).
The coldest month (with the lowest average low temperature) is February (50.2°F).

Average pressure
La Jolla, CA

Average pressure - La Jolla, CA

The month with the highest atmospheric pressure is January (30.09"Hg).
The months with the lowest atmospheric pressure are June and September (29.88"Hg).

Average wind speed
La Jolla, CA

Average wind speed - La Jolla, CA

The windiest month (with the highest average wind speed) is April (6mph).
The calmest month (with the lowest average wind speed) is October (4.8mph).

Average humidity
La Jolla, CA

Average humidity - La Jolla, CA

The months with the highest relative humidity are May and June (71%).
The month with the lowest relative humidity is November (57%).

Average rainfall
La Jolla, CA

Average rainfall - La Jolla, CA

The wettest month (with the highest rainfall) is February (1.46").
The driest month (with the least rainfall) is June (0.12").

Average rainfall days
La Jolla, CA

Average rainfall days - La Jolla, CA

The month with the highest number of rainy days is March (7.1 days).
The month with the least rainy days is June (2.2 days).

Average sea temperature
La Jolla, CA

Average sea temperature - La Jolla, CA

The best month for swimming (with the highest average sea temperature) is August (67.9°F).
The coldest month (with the lowest average sea temperature) is February (58.7°F).

Average daylight / Average sunshine
La Jolla, CA

Average daylight / Average sunshine - La Jolla, CA

The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).

The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 48min).

Average sunshine days
La Jolla, CA

Average sunshine days - La Jolla, CA

The month with the most sunshine days is January (24.8 days).
The month with the least sunshine days is February (20.2 days).

Average UV index
La Jolla, CA

Average UV index - La Jolla, CA

The months with the highest UV index are July, August and September (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 4).

Average visibility
La Jolla, CA

Average visibility - La Jolla, CA

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

La Jolla, California, USA

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