St Kilda — Water Temperature in January

Water Temperature Range

15°C

minimum

20°C

average

23°C

maximum

Water Temperature Chart for January

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

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

Climate and Swimming Opportunities in St Kilda in January

Average Day Air Temperature

24°C

Average Night Air Temperature

15°C

Precipitation Amount per Month

46 mm

Number of Rainy Days

Daylight per Day

14 hrs

Sunshine per Day

9 hrs

Average Wind Speed

21 km/h

Average Humidity

53%

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.