May - SANTA CATALINA ISLAND - Weather History and Averages

High Temperatures

On average, the day in May with the warmest high temperature in SANTA CATALINA ISLAND is May 6 at an average of 67.8 °F (19.9 °C).

On average, the day in May with the coldest high temperature in SANTA CATALINA ISLAND is May 31 at an average of 62.2 °F (16.8 °C).

The warmest recorded high temperature in May in SANTA CATALINA ISLAND was 79.0 °F (26.1 °C) on May 20 in the year 1978 at SANTA CATALINA ISLAND — Integrated Surface Dataset (ISD) station ID: 722924 .

The coldest recorded high temperature in May in SANTA CATALINA ISLAND was 55.9 °F (13.3 °C) on May 2 in the year 1991 at SANTA CATALINA ISLAND — Integrated Surface Dataset (ISD) station ID: 722924 .

On average, the day in May with the warmest low temperature in SANTA CATALINA ISLAND is May 6 at an average of 59.1 °F (15.1 °C).

On average, the day in May with the coldest low temperature in SANTA CATALINA ISLAND is May 22 at an average of 55.4 °F (13.0 °C).

The warmest recorded low temperature in SANTA CATALINA ISLAND was 64.9 °F (18.3 °C) on May 10 in the year 1981 at SANTA CATALINA ISLAND — Integrated Surface Dataset (ISD) station ID: 722924 .

The coldest recorded low temperature in SANTA CATALINA ISLAND was 47.8 °F (8.8 °C) on May 4 in the year 1991 at SANTA CATALINA ISLAND — Integrated Surface Dataset (ISD) station ID: 722924 .

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