Port Willunga — Water Temperature in April

Water Temperature Range

16°C

minimum

19°C

average

21°C

maximum

Water Temperature Chart for April

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

Climate and Swimming Opportunities in Port Willunga in April

Average Day Air Temperature

21°C

Average Night Air Temperature

12°C

Precipitation Amount per Month

40 mm

Number of Rainy Days

Daylight per Day

11 hrs

Sunshine per Day

7 hrs

Average Wind Speed

15 km/h

Average Humidity

57%

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.