October - SAN CLEMENTE - Weather History and Averages

High Temperatures

On average, the day in October with the warmest high temperature in SAN CLEMENTE is October 20 at an average of 65.8 °F (18.8 °C).

On average, the day in October with the coldest high temperature in SAN CLEMENTE is October 21 at an average of 65.8 °F (18.8 °C).

The warmest recorded high temperature in October in SAN CLEMENTE was 67.8 °F (19.9 °C) on October 20 in the year 1988 at SAN CLEMENTE — Integrated Surface Dataset (ISD) station ID: 722933 .

The coldest recorded high temperature in October in SAN CLEMENTE was 63.9 °F (17.7 °C) on October 21 in the year 1984 at SAN CLEMENTE — Integrated Surface Dataset (ISD) station ID: 722933 .

On average, the day in October with the warmest low temperature in SAN CLEMENTE is October 20 at an average of 63.4 °F (17.5 °C).

On average, the day in October with the coldest low temperature in SAN CLEMENTE is October 21 at an average of 63.4 °F (17.5 °C).

The warmest recorded low temperature in SAN CLEMENTE was 63.9 °F (17.7 °C) on October 20 in the year 1988 at SAN CLEMENTE — Integrated Surface Dataset (ISD) station ID: 722933 .

The coldest recorded low temperature in SAN CLEMENTE was 63.0 °F (17.2 °C) on October 21 in the year 1984 at SAN CLEMENTE — Integrated Surface Dataset (ISD) station ID: 722933 .

If you would like to see the temperatures for specific days, you can click on the corresponding links below: