Climate and monthly weather forecastLa Jolla, CA

Climate and monthly weather forecast

Weather in January

January, like December, in La Jolla, California, is another comfortable winter month, with an average temperature fluctuating between 64.9°F (18.3°C) and 51.4°F (10.8°C). The average high-temperature for January is a still comfortable 64.9°F (18.3°C), closely aligning with the temperature of the preceding month. Weather in January »

Weather in February

February, the last month of the winter in La Jolla, is also an enjoyable month, with an average temperature fluctuating between 50.2°F (10.1°C) and 64.2°F (17.9°C). With the onset of February, La Jolla's average high-temperature clocks in at a still comfortable 64.2°F (17.9°C), showing a minor fluctuation from the previous month. Weather in February »

Weather in March

March, the first month of the spring in La Jolla, is still a comfortable month, with temperature in the range of an average high of 65.1°F (18.4°C) and an average low of 51.6°F (10.9°C). With March's advent, La Jolla sees an average high-temperature of a still comfortable 65.1°F (18.4°C), subtly shifted from February's 64.2°F (17.9°C). Weather in March »

Weather in April

April, the same as March, is another comfortable spring month in La Jolla, California, with an average temperature fluctuating between 67.5°F (19.7°C) and 53.2°F (11.8°C). The dawn of April sees an average high-temperature of a still enjoyable 67.5°F (19.7°C), subtly contrasting with March's 65.1°F (18.4°C). Weather in April »

Weather in May

May, the last month of the spring in La Jolla, is an agreeable month, with an average temperature varying between 68.7°F (20.4°C) and 55.6°F (13.1°C). La Jolla's shift into May is marked by a subtle change to a pleasant 68.7°F (20.4°C) from April's 67.5°F (19.7°C) in temperature. Weather in May »

Weather in June

June, the first month of the summer in La Jolla, is still a pleasant month, 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). In the transition from May to June, La Jolla reports an average high-temperature of a still pleasant 72.5°F (22.5°C), indicating a close resemblance to the prior month. Weather in June »

Weather in July

July in La Jolla, California, is a warm summer month, with an average temperature varying between 63.9°F (17.7°C) and 77.5°F (25.3°C). The advent of July brings an average high-temperature of a moderately hot 77.5°F (25.3°C), almost identical to the preceding month. Weather in July »

Weather in August

August, the last month of the summer in La Jolla, is another warm month, with an average temperature fluctuating between 79.3°F (26.3°C) and 65.8°F (18.8°C). The warmest month is August, with an average high-temperature of 79.3°F (26.3°C) and an average low-temperature of 65.8°F (18.8°C). Weather in August »

Weather in September

The first month of the autumn, September, is also a moderately hot month in La Jolla, California, with an average temperature varying between 64.4°F (18°C) and 78.6°F (25.9°C). August's transformation into September witnesses an average high-temperature of a still moderately hot 78.6°F (25.9°C), noting a minor change from the preceding month. Weather in September »

Weather in October

October, the same as September, is another warm autumn month in La Jolla, California, with an average temperature varying between 74.7°F (23.7°C) and 60.8°F (16°C). La Jolla signifies an average high-temperature of a still warm 74.7°F (23.7°C) in October, closely mirroring the 78.6°F (25.9°C) of September. Weather in October »

Weather in November

The last month of the autumn, November, is another pleasant month in La Jolla, California, with an average temperature varying between 56.1°F (13.4°C) and 69.8°F (21°C). La Jolla experiences a transition to an agreeable 69.8°F (21°C) in average high-temperatures with the arrival of November, not greatly differing from October's 74.7°F (23.7°C). Weather in November »

Weather in December

December, the first month of the winter in La Jolla, is also an enjoyable month, with an average temperature varying between 63.5°F (17.5°C) and 51.3°F (10.7°C). Temperature readings reach their annual highs in December, averaging 63.5°F (17.5°C) and a minimum average of 51.3°F (10.7°C). Weather in December »
Updated: Jun 19, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

In La Jolla, during the entire year, the rain falls for 57.9 days and collects up to 7.48" (190mm) of precipitation.

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

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

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

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, 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.

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

The month with the least rainfall is June, when the rain falls for 2.2 days and typically collects 0.12" (3mm) of precipitation.

With an average of 14h and 18min of daylight, June has the longest days of the year.

The month with the most sunshine in La Jolla is July, with an average of 12h of sunshine.

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

August is La Jolla's warmest month, registering average high temperatures of 79.3°F (26.3°C) and lows of 65.8°F (18.8°C).

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

The least humid month is November, with an average relative humidity of 57%.

In La Jolla, December is the coldest month, with temperatures averaging a high of 63.5°F (17.5°C) and a low of 51.3°F (10.7°C).

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

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

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

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

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

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

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

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

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

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

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

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 cloud cover
La Jolla, CA

The months with the most cloud cover are March and December (Cloud cover 23).
The month with the least cloud cover is August (Cloud cover 8).

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).