May weather forecast
La Jolla, CA

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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).

Temperature

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). La Jolla records an average nighttime low of 55.6°F (13.1°C) in May.

Humidity

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

Rainfall

In La Jolla, California, in May, during 4.8 rainfall days, 0.31" (8mm) of precipitation is typically accumulated. 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 May, the average ocean temperature in La Jolla is 62.6°F (17°C).
Note: For most people, a water temperature of 62.6°F (17°C) is not conducive to enjoyable swimming. Breathing control becomes harder as the water temperature dips below 69.8°F (21°C).

Daylight

The average length of the day in May is 13h and 52min.
On the first day of May, sunrise is at 6:00 am and sunset at 7:31 pm. On the last day of the month, sunrise is at 5:41 am and sunset at 7:52 pm PDT.

Sunshine

In May, the average sunshine is 10.9h.

UV index

The average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: The maximum daily UV index of 5 in May interprets into the following recommendations:
Make use of precautions - It is urged to ward off sun damage. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
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Frequently asked questions

What is the average May temperature in La Jolla?

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

What is the most humid month in La Jolla?

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

What is the average humidity in May in La Jolla?

In May, the average relative humidity in La Jolla is 71%.

How much does it rain in La Jolla in May?

In La Jolla, during May, the rain falls for 4.8 days and regularly aggregates up to 0.31" (8mm) of precipitation.

How cold is the water in May in La Jolla?

In May, the average ocean temperature is 62.6°F (17°C). 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).

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

In La Jolla, California, the average day length in May is 13h and 52min.

What time are sunrise and sunset in May in La Jolla?

In May, on the first day of the month, sunrise is at 6:00 am and sunset at 7:31 pm. On the last day of the month, in La Jolla, sunrise is at 5:41 am and sunset at 7:52 pm PDT.

How many hours of sunshine does La Jolla have in May?

In May, the average sunshine duration in La Jolla 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 reading of 3 to 5 represents a moderate health threat from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

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"Hg

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).

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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%

The 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: 13h and 5min

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).

  • Average sunshine in May: 10h and 5min

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).

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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

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).

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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

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).

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Average visibility in May
La Jolla, CA

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

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).

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La Jolla, California, USA

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