Average Ocean Water Temperatures at Los Angeles

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The table below lists typical water temperatures for each month of the year in the ocean off Los Angeles in California.

The temperatures, given in both degrees Fahrenheit and degrees Celsius, are long-term averages.

The water is measured at the Port of Los Angeles.

The ocean off Los Angeles reaches its warmest point of the year in August when the temperature averages 68 degrees Fahrenheit (20 degrees Celsius).

The coolest months are January and February, when the sea temperature is normally at 58 °F (14.5 ° C).

Los Angeles' average seawater temperature
Period °F °C
January 58 14
February 58 14
March 60 16
April 1-15 60 16
April 16-30 60 16
May 1-15 61 16
May 16-31 61 16
June 1-15 62 17
June 16-30 64 18
July 1-15 65 18
July 16-31 67 19
August 1-15 68 20
August 16-31 68 20
September 1-15 67 19
September 16-30 66 19
October 1-15 66 19
October 16-31 66 19
November 64 18
December 60 16
Annual Average 63 17
Reference

National Oceanographic Data Center. NODC Coastal Water Temperature Guide (CWTG).

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