La Jolla
California, USA
Long-term weather forecast
Long-term weather forecast

July weather forecast and climate
La Jolla, CA

Ocean temperature

In La Jolla, California, in July, the average water temperature is 67.1°F (19.5°C).
Note: For most, swimming in 67.1°F (19.5°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

In La Jolla, the average length of the day in July is 14.1h.

How cold is the water in July in La Jolla?

In La Jolla, California, the average seawater temperature in July is 67.1°F (19.5°C). For swimming, a surface water temperature of 67.1°F (19.5°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 July in La Jolla?

The average length of the day in July is 14.1h.
Average sea temperature in July - La Jolla, CA
  • Average sea temperature in July: 67°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).

Average daylight in July - La Jolla, CA
  • Average daylight in July: 14.1h

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