Geoje — Water Temperature in April

Water Temperature Range

12°C

minimum

14°C

average

18°C

maximum

Get instant access to real-time water temperatures for this and all other locations with our iOS and Android apps.

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

April: Climate and Swimming Opportunities

Average Night Air Temperature

9°C

Average Day Air Temperature

18°C

Precipitation Amount per Month

119 mm

Number of Rainy Days

Daylight per Day

13 hrs

Sunshine per Day

7 hrs

Average Wind Speed

13 km/h

Average Humidity

68%

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.