Gunsan — Water Temperature in July

Water Temperature Range

19°C

minimum

24°C

average

28°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
JUL 1	-	23°C	21°C	23°C
JUL 2	23°C	23°C	24°C	23°C
JUL 3	24°C	22°C	22°C	23°C
JUL 4	24°C	22°C	22°C	22°C
JUL 5	24°C	22°C	22°C	21°C
JUL 6	24°C	22°C	22°C	22°C
JUL 7	25°C	22°C	23°C	22°C
JUL 8	24°C	23°C	24°C	22°C
JUL 9	26°C	23°C	25°C	21°C
JUL 10	25°C	24°C	27°C	23°C
JUL 11	25°C	23°C	26°C	22°C
JUL 12	26°C	23°C	25°C	23°C
JUL 13	26°C	23°C	25°C	23°C
JUL 14	26°C	23°C	25°C	24°C
JUL 15	27°C	23°C	24°C	24°C
JUL 16	27°C	24°C	24°C	25°C
JUL 17	28°C	24°C	23°C	25°C
JUL 18	28°C	24°C	23°C	25°C
JUL 19	27°C	24°C	24°C	25°C
JUL 20	26°C	23°C	22°C	25°C
JUL 21	27°C	24°C	24°C	26°C
JUL 22	26°C	24°C	24°C	25°C
JUL 23	28°C	25°C	25°C	25°C
JUL 24	-	25°C	26°C	26°C
JUL 25	-	25°C	25°C	27°C
JUL 26	-	25°C	26°C	26°C
JUL 27	-	25°C	27°C	26°C
JUL 28	-	25°C	25°C	26°C
JUL 29	-	25°C	27°C	27°C
JUL 30	-	25°C	25°C	28°C
JUL 31	-	25°C	25°C	26°C

July: Climate and Swimming Opportunities

Average Night Air Temperature

22°C

Average Day Air Temperature

28°C

Precipitation Amount per Month

321 mm

Number of Rainy Days

Daylight per Day

14 hrs

Sunshine per Day

6 hrs

Average Wind Speed

8 km/h

Average Humidity

82%

At such water and air temperatures, swimming is pleasant and refreshing rather than hot. After you get in, it feels comfortable, and you’ll warm up quickly when you come out.