Mosman Park — Water Temperature in January

Water Temperature Range

20°C

minimum

22°C

average

24°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	2026	2025	2024	2023
JAN 1	21°C	21°C	22°C	20°C
JAN 2	22°C	21°C	22°C	22°C
JAN 3	22°C	22°C	22°C	22°C
JAN 4	21°C	22°C	22°C	22°C
JAN 5	21°C	23°C	21°C	22°C
JAN 6	22°C	21°C	22°C	22°C
JAN 7	22°C	21°C	22°C	22°C
JAN 8	22°C	22°C	22°C	22°C
JAN 9	22°C	23°C	22°C	22°C
JAN 10	23°C	22°C	23°C	22°C
JAN 11	21°C	22°C	23°C	21°C
JAN 12	22°C	22°C	22°C	21°C
JAN 13	21°C	23°C	22°C	22°C
JAN 14	22°C	22°C	23°C	22°C
JAN 15	21°C	23°C	22°C	22°C
JAN 16	22°C	23°C	22°C	22°C
JAN 17	22°C	22°C	21°C	22°C
JAN 18	22°C	22°C	22°C	22°C
JAN 19	22°C	22°C	22°C	22°C
JAN 20	22°C	22°C	22°C	22°C
JAN 21	22°C	23°C	22°C	22°C
JAN 22	22°C	24°C	22°C	22°C
JAN 23	22°C	23°C	23°C	23°C
JAN 24	22°C	23°C	22°C	23°C
JAN 25	23°C	23°C	23°C	22°C
JAN 26	23°C	22°C	22°C	22°C
JAN 27	22°C	23°C	24°C	22°C
JAN 28	23°C	23°C	23°C	22°C
JAN 29	22°C	24°C	23°C	21°C
JAN 30	22°C	23°C	22°C	21°C
JAN 31	21°C	23°C	23°C	21°C

January: Climate and Swimming Opportunities

Average Night Air Temperature

18°C

Average Day Air Temperature

30°C

Precipitation Amount per Month

15 mm

Number of Rainy Days

Daylight per Day

14 hrs

Sunshine per Day

11 hrs

Average Wind Speed

20 km/h

Average Humidity

41%

At such water and air temperatures, swimming is pleasant and refreshing rather than hot. After you get in, it feels comfortable, and you’ll warm up quickly when you come out.