Najin — Water Temperature in July

Water Temperature Range

15°C

minimum

20°C

average

26°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	2025	2024	2023	2022
JUL 1	17°C	18°C	18°C	16°C
JUL 2	18°C	20°C	19°C	15°C
JUL 3	17°C	19°C	18°C	16°C
JUL 4	17°C	18°C	18°C	15°C
JUL 5	18°C	20°C	18°C	16°C
JUL 6	18°C	19°C	18°C	16°C
JUL 7	18°C	18°C	18°C	17°C
JUL 8	19°C	21°C	19°C	17°C
JUL 9	19°C	20°C	19°C	17°C
JUL 10	19°C	22°C	18°C	17°C
JUL 11	19°C	20°C	19°C	17°C
JUL 12	19°C	20°C	19°C	17°C
JUL 13	19°C	20°C	19°C	17°C
JUL 14	20°C	20°C	20°C	18°C
JUL 15	19°C	19°C	20°C	17°C
JUL 16	20°C	21°C	21°C	17°C
JUL 17	20°C	19°C	21°C	19°C
JUL 18	20°C	19°C	22°C	18°C
JUL 19	20°C	20°C	22°C	19°C
JUL 20	21°C	21°C	23°C	19°C
JUL 21	21°C	21°C	24°C	18°C
JUL 22	21°C	20°C	24°C	19°C
JUL 23	22°C	21°C	26°C	19°C
JUL 24	21°C	21°C	25°C	19°C
JUL 25	21°C	20°C	25°C	19°C
JUL 26	22°C	21°C	24°C	20°C
JUL 27	22°C	23°C	26°C	19°C
JUL 28	22°C	22°C	25°C	19°C
JUL 29	22°C	21°C	25°C	19°C
JUL 30	22°C	23°C	26°C	19°C
JUL 31	22°C	22°C	25°C	20°C

July: Climate and Swimming Opportunities

Average Night Air Temperature

20°C

Average Day Air Temperature

28°C

Precipitation Amount per Month

255 mm

Number of Rainy Days

Daylight per Day

14 hrs

Sunshine per Day

5 hrs

Average Wind Speed

8 km/h

Average Humidity

83%

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.