Port Denison — Water Temperature in April

Water Temperature Range

20°C

minimum

24°C

average

27°C

maximum

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Water Temperature Chart for Month

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

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

April: Climate and Swimming Opportunities

Average Night Air Temperature

15°C

Average Day Air Temperature

25°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.