May weather forecast and climate
La Jolla, CA

Weather in May

The last month of the spring, May, is a pleasant 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).

Temperature

In La Jolla, the average high-temperature in May is relatively the same as in April - an agreeable 68.7°F (20.4°C). In La Jolla, the average low-temperature is 55.6°F (13.1°C).

Humidity

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

Rainfall

In La Jolla, it is raining for 4.8 days, with typically 0.31" (8mm) of accumulated precipitation. In La Jolla, during the entire year, the rain falls for 57.9 days and collects up to 7.48" (190mm) of precipitation.

Ocean temperature

In La Jolla, in May, the average water temperature is 62.6°F (17°C).
Note: For most, swimming in 62.6°F (17°C) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 69.8°F (21°C) to 59°F (15°C).

Daylight

The average length of the day in La Jolla is 13.9h.

Sunshine

In La Jolla, the average sunshine in May is 10.9h.

UV index

In May, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to the Sun's UV rays for average individuals.
Note: The daily maximum UV index of 5 interpret into the following advice:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the temperature in May in La Jolla?

The average high-temperature, in May, in La Jolla, California, is 68.7°F (20.4°C), while the average low-temperature is 55.6°F (13.1°C).

What are the most humid months in La Jolla?

Months with the highest humidity are May and June, with an average relative humidity of 71%.

What is the average humidity in May in La Jolla?

In May, the average relative humidity is 71%.

How many days does it rain in May in La Jolla?

In May, in La Jolla, California, the rain falls for 4.8 days. Throughout May, 0.31" (8mm) of precipitation is accumulated.

What is the ocean temperature in May in La Jolla?

In La Jolla, California, in May, the average water temperature is 62.6°F (17°C). For swimming, a surface water temperature of 62.6°F (17°C) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 69.8°F (21°C).

What is the average length of the day in May in La Jolla?

The average length of the day in May is 13.9h.

How long on average sun shines in May in La Jolla?

In La Jolla, the average sunshine in May is 10.9h.

How high is the UV index in May in La Jolla?

In La Jolla, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a medium health risk from the exposure to the Sun's UV rays.

Average temperature in May
La Jolla, CA

Average temperature in May - La Jolla, CA
  • Average high temperature in May: 68.7°F

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).

  • Average low temperature in May: 55.6°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).

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Average pressure in May
La Jolla, CA

Average pressure in May - La Jolla, CA
  • Average pressure in May: 29.92"

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

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Average wind speed in May
La Jolla, CA

Average wind speed in May - La Jolla, CA
  • Average wind speed in May: 5.9mph

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).

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Average humidity in May
La Jolla, CA

Average humidity in May - La Jolla, CA
  • Average humidity in May: 71%

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

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Average rainfall in May
La Jolla, CA

Average rainfall in May - La Jolla, CA
  • Average rainfall in May: 0.31"

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

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Average rainfall days in May
La Jolla, CA

Average rainfall days in May - La Jolla, CA
  • Average rainfall days in May: 4.8 days

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).

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Average sea temperature in May
La Jolla, CA

Average sea temperature in May - La Jolla, CA
  • Average sea temperature in May: 62.7°F

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).

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Average daylight in May /
Average sunshine in May
La Jolla, CA

Average daylight in May / Average sunshine in May - La Jolla, CA
  • Average daylight in May: 13.9h

The month with the longest days is June (Average daylight: 14.3h).
The month with the shortest days is December (Average daylight: 10h).

  • Average sunshine in May: 10.9h

The month with the most sunshine is July (Average sunshine: 12h).
The month with the least sunshine is December (Average sunshine: 6.8h).

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Average sunshine days in May
La Jolla, CA

Average sunshine days in May - La Jolla, CA
  • Average sunshine days in May: 21.9 days

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

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Average UV index in May
La Jolla, CA

Average UV index in May - La Jolla, CA
  • Average UV index in May: 5

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

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Average cloud cover in May
La Jolla, CA

Average cloud cover in May - La Jolla, CA
  • Average cloud cover in May: 21

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).

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Average visibility in May
La Jolla, CA

Average visibility in May - La Jolla, CA
  • Average visibility in May: 6mi

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

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