Isla Vista — Water Temperature in July

Water Temperature Range

12°C

minimum

16°C

average

20°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	2025	2024	2023	2022
JUL 1	17°C	16°C	17°C	17°C
JUL 2	17°C	16°C	17°C	18°C
JUL 3	17°C	16°C	17°C	18°C
JUL 4	17°C	16°C	17°C	18°C
JUL 5	17°C	16°C	18°C	19°C
JUL 6	17°C	16°C	18°C	18°C
JUL 7	16°C	16°C	17°C	17°C
JUL 8	16°C	16°C	16°C	17°C
JUL 9	17°C	16°C	17°C	17°C
JUL 10	16°C	16°C	17°C	17°C
JUL 11	17°C	17°C	17°C	18°C
JUL 12	16°C	17°C	18°C	18°C
JUL 13	16°C	17°C	18°C	18°C
JUL 14	17°C	17°C	18°C	19°C
JUL 15	16°C	16°C	19°C	18°C
JUL 16	16°C	16°C	18°C	16°C
JUL 17	16°C	16°C	18°C	19°C
JUL 18	17°C	16°C	18°C	19°C
JUL 19	17°C	16°C	18°C	19°C
JUL 20	17°C	16°C	19°C	19°C
JUL 21	17°C	17°C	19°C	18°C
JUL 22	16°C	17°C	18°C	17°C
JUL 23	16°C	16°C	18°C	17°C
JUL 24	16°C	16°C	17°C	17°C
JUL 25	16°C	16°C	17°C	17°C
JUL 26	16°C	16°C	18°C	16°C
JUL 27	17°C	16°C	18°C	17°C
JUL 28	17°C	16°C	18°C	17°C
JUL 29	17°C	16°C	18°C	17°C
JUL 30	17°C	16°C	18°C	17°C
JUL 31	16°C	16°C	17°C	17°C

July: Climate and Swimming Opportunities

Average Night Air Temperature

15°C

Average Day Air Temperature

25°C

Precipitation Amount per Month

0 mm

Number of Rainy Days

Daylight per Day

14 hrs

Sunshine per Day

11 hrs

Average Wind Speed

13 km/h

Average Humidity

76%

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.