Cottesloe Beach — Water Temperature in October

Water Temperature Range

17°C

minimum

19°C

average

21°C

maximum

Water Temperature Chart for October

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

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

Climate and Swimming Opportunities in Cottesloe Beach in October

Average Day Air Temperature

22°C

Average Night Air Temperature

11°C

Precipitation Amount per Month

39 mm

Number of Rainy Days

Daylight per Day

13 hrs

Sunshine per Day

8 hrs

Average Wind Speed

17 km/h

Average Humidity

54%

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.