Merewether Beach — Water Temperature in October

Water Temperature Range

17°C

minimum

20°C

average

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

Climate and Swimming Opportunities in Merewether Beach in October

Average Day Air Temperature

23°C

Average Night Air Temperature

13°C

Precipitation Amount per Month

86 mm

Number of Rainy Days

Daylight per Day

13 hrs

Sunshine per Day

7 hrs

Average Wind Speed

16 km/h

Average Humidity

60%

With such a ratio between the average monthly temperatures of water and air, swimming feels warm and comfortable even if the day isn’t hot. The water can feel warmer than the air, so getting out may feel a bit cool.