Ulsan — Water Temperature in June

Water Temperature Range

17°C

minimum

20°C

average

24°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	2025	2024	2023	2022
JUN 1	18°C	17°C	18°C	17°C
JUN 2	18°C	16°C	19°C	18°C
JUN 3	18°C	17°C	19°C	18°C
JUN 4	18°C	17°C	19°C	18°C
JUN 5	18°C	17°C	20°C	18°C
JUN 6	19°C	18°C	19°C	19°C
JUN 7	18°C	18°C	19°C	18°C
JUN 8	19°C	18°C	20°C	18°C
JUN 9	19°C	17°C	19°C	19°C
JUN 10	19°C	18°C	20°C	19°C
JUN 11	19°C	18°C	20°C	20°C
JUN 12	19°C	18°C	20°C	20°C
JUN 13	19°C	18°C	20°C	20°C
JUN 14	20°C	18°C	21°C	20°C
JUN 15	20°C	18°C	21°C	21°C
JUN 16	20°C	19°C	21°C	21°C
JUN 17	20°C	19°C	20°C	21°C
JUN 18	20°C	19°C	21°C	21°C
JUN 19	20°C	19°C	20°C	20°C
JUN 20	21°C	19°C	21°C	21°C
JUN 21	20°C	19°C	21°C	20°C
JUN 22	21°C	19°C	22°C	21°C
JUN 23	21°C	19°C	22°C	21°C
JUN 24	21°C	19°C	22°C	21°C
JUN 25	22°C	20°C	22°C	22°C
JUN 26	22°C	20°C	22°C	22°C
JUN 27	21°C	19°C	22°C	22°C
JUN 28	22°C	19°C	23°C	22°C
JUN 29	22°C	20°C	24°C	21°C
JUN 30	21°C	20°C	22°C	21°C

June: Climate and Swimming Opportunities

Average Night Air Temperature

18°C

Average Day Air Temperature

24°C

Precipitation Amount per Month

200 mm

Number of Rainy Days

Daylight per Day

14 hrs

Sunshine per Day

6 hrs

Average Wind Speed

10 km/h

Average Humidity

79%

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.