Perth — Water Temperature in April

Water Temperature Range

19°C

minimum

22°C

average

24°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

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

Climate and Swimming Opportunities in Perth in April

Average Day Air Temperature

25°C

Average Night Air Temperature

15°C

Precipitation Amount per Month

34 mm

Number of Rainy Days

Daylight per Day

11 hrs

Sunshine per Day

7 hrs

Average Wind Speed

15 km/h

Average Humidity

55%

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.