Port Willunga — Water Temperature in May

Water Temperature Range

14°C

minimum

17°C

average

19°C

maximum

Water Temperature Chart for May

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

Climate and Swimming Opportunities in Port Willunga in May

Average Day Air Temperature

18°C

Average Night Air Temperature

10°C

Precipitation Amount per Month

55 mm

Number of Rainy Days

Daylight per Day

10 hrs

Sunshine per Day

5 hrs

Average Wind Speed

15 km/h

Average Humidity

67%

At such water and air temperatures, swimming often feels chilly and is best for short swims. Getting out can feel cold, so it helps to have dry clothes ready right away.