Hermosa Beach — Water Temperature in July

Water Temperature Range

16°C

minimum

19°C

average

22°C

maximum

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

70%

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.