Osaka — Water Temperature in July

Water Temperature Range

21°C

minimum

25°C

average

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

July: Climate and Swimming Opportunities

Average Night Air Temperature

24°C

Average Day Air Temperature

30°C

Precipitation Amount per Month

173 mm

Number of Rainy Days

Daylight per Day

14 hrs

Sunshine per Day

6 hrs

Average Wind Speed

11 km/h

Average Humidity

74%

At such water and air temperatures, swimming feels truly comfortable and relaxing. The warm water won’t cool you down, so you can stay in for a long time without getting chilled.