Portsea — Water Temperature in April

Water Temperature Range

15°C

minimum

17°C

average

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

Climate and Swimming Opportunities in Portsea in April

Average Day Air Temperature

20°C

Average Night Air Temperature

11°C

Precipitation Amount per Month

43 mm

Number of Rainy Days

Daylight per Day

11 hrs

Sunshine per Day

5 hrs

Average Wind Speed

19 km/h

Average Humidity

64%

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.