October weather forecast and climate
La Jolla, CA

Weather in October

October, like September, in La Jolla, California, is another warm autumn month, 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).

Temperature

In October, the average high-temperature is practically the same as in September - a still warm 74.7°F (23.7°C). The average low-temperature, in October, is 60.8°F (16°C).

Humidity

In La Jolla, the average relative humidity is 63%.

Rainfall

In La Jolla, in October, it is raining for 3.5 days, with typically 0.28" (7mm) of accumulated precipitation. Throughout the year, in La Jolla, there are 57.9 rainfall days, and 7.48" (190mm) of precipitation is accumulated.

Ocean temperature

In La Jolla, the average seawater temperature in October is 65.1°F (18.4°C).
Note: For swimming, a surface water temperature of 65.1°F (18.4°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).

Daylight

In October, the average length of the day is 11.3h.

Sunshine

In La Jolla, the average sunshine is 8.8h.

UV index

The average daily maximum UV index in October is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to the UV radiation for ordinary individuals.
Note: The daily maximum UV index of 5 interpret into the following advice:
Take precautions - Protection against sunburn is recommended. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. 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 October in La Jolla?

In October, in La Jolla, California, the average high-temperature is 74.7°F (23.7°C), and the average low-temperature is 60.8°F (16°C).

What is the average humidity in October in La Jolla?

In La Jolla, California, the average relative humidity in October is 63%.

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

In La Jolla, in October, it is raining for 3.5 days, with typically 0.28" (7mm) of accumulated precipitation.

What is the ocean temperature in October in La Jolla?

In October, the average ocean temperature in La Jolla, California, is 65.1°F (18.4°C). For most, swimming in 65.1°F (18.4°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).

How many hours of daylight does La Jolla have in October?

In La Jolla, the average length of the day in October is 11.3h.

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

The average sunshine in October is 8.8h.

What is the UV index intensity in October in La Jolla?

In October, the average daily maximum UV index in La Jolla is 5. A UV Index value of 3 to 5 symbolizes a medium hazard to health from the exposure to the Sun's UV rays.

Average temperature in October
La Jolla, CA

Average temperature in October - La Jolla, CA
  • Average high temperature in October: 74.7°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 October: 60.8°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 October
La Jolla, CA

Average pressure in October - La Jolla, CA
  • Average pressure in October: 29.93"

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 October
La Jolla, CA

Average wind speed in October - La Jolla, CA
  • Average wind speed in October: 4.8mph

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 October
La Jolla, CA

Average humidity in October - La Jolla, CA
  • Average humidity in October: 63%

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 October
La Jolla, CA

Average rainfall in October - La Jolla, CA
  • Average rainfall in October: 0.28"

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 October
La Jolla, CA

Average rainfall days in October - La Jolla, CA
  • Average rainfall days in October: 3.5 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 October
La Jolla, CA

Average sea temperature in October - La Jolla, CA
  • Average sea temperature in October: 65.1°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 October /
Average sunshine in October
La Jolla, CA

Average daylight in October / Average sunshine in October - La Jolla, CA
  • Average daylight in October: 11.3h

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 October: 8.8h

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 October
La Jolla, CA

Average sunshine days in October - La Jolla, CA
  • Average sunshine days in October: 23.9 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 October
La Jolla, CA

Average UV index in October - La Jolla, CA
  • Average UV index in October: 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 October
La Jolla, CA

Average cloud cover in October - La Jolla, CA
  • Average cloud cover in October: 13

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 October
La Jolla, CA

Average visibility in October - La Jolla, CA
  • Average visibility in October: 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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