Princes' Islands — Water Temperature in April

Water Temperature Range

7°C

minimum

11°C

average

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

April: Climate and Swimming Opportunities

Average Night Air Temperature

8°C

Average Day Air Temperature

17°C

Precipitation Amount per Month

42 mm

Number of Rainy Days

Daylight per Day

13 hrs

Sunshine per Day

8 hrs

Average Wind Speed

10 km/h

Average Humidity

75%

With such a ratio between the average monthly temperatures of water and air, swimming feels very cold and is only for cold-water enthusiasts. Most people will prefer just a brief splash, because warming up afterward can take time.