Santa Catalina Island — Water Temperature in June

Water Temperature Range

15°C

minimum

18°C

average

21°C

maximum

Get instant access to real-time water temperatures for this and all other locations with our iOS and Android apps.

Water Temperature Chart for Month

The chart shows the average daily water temperature for each day of the month based on historical data.

Table of Water Temperatures by Day of the Month for Previous Years

Day	2026	2025	2024	2023
JUN 1	-10°C	18°C	18°C	17°C
JUN 2	18°C	17°C	18°C	18°C
JUN 3	19°C	17°C	18°C	17°C
JUN 4	19°C	17°C	18°C	17°C
JUN 5	19°C	17°C	17°C	17°C
JUN 6	19°C	18°C	17°C	18°C
JUN 7	19°C	18°C	17°C	18°C
JUN 8	19°C	18°C	17°C	18°C
JUN 9	-10°C	18°C	17°C	18°C
JUN 10	19°C	18°C	17°C	18°C
JUN 11	20°C	17°C	17°C	18°C
JUN 12	20°C	18°C	18°C	18°C
JUN 13	20°C	18°C	17°C	17°C
JUN 14	20°C	18°C	18°C	18°C
JUN 15	20°C	18°C	18°C	18°C
JUN 16	20°C	18°C	18°C	18°C
JUN 17	20°C	18°C	18°C	18°C
JUN 18	20°C	19°C	19°C	19°C
JUN 19	20°C	19°C	18°C	18°C
JUN 20	19°C	19°C	19°C	18°C
JUN 21	19°C	19°C	19°C	19°C
JUN 22	19°C	19°C	20°C	18°C
JUN 23	19°C	19°C	19°C	18°C
JUN 24	19°C	19°C	19°C	18°C
JUN 25	19°C	19°C	20°C	18°C
JUN 26	20°C	19°C	19°C	18°C
JUN 27	20°C	19°C	20°C	18°C
JUN 28	20°C	20°C	20°C	19°C
JUN 29	20°C	20°C	19°C	19°C
JUN 30	20°C	20°C	20°C	18°C

June: Climate and Swimming Opportunities

Average Night Air Temperature

15°C

Average Day Air Temperature

23°C

Precipitation Amount per Month

1 mm

Number of Rainy Days

Daylight per Day

14 hrs

Sunshine per Day

9 hrs

Average Wind Speed

13 km/h

Average Humidity

71%

At such water and air temperatures, swimming feels cool and invigorating. It’s comfortable for a quick dip, and you’ll feel fine as long as you warm up soon after.