Sea Temperature in Osaka in April

Complete information on the sea temperature range in the Seto Inland Sea in Osaka in April. Historical daily data. Climate details for April. Tips on swimming conditions and beach relaxation in Osaka. We find every spot where you can swim and tell you what the water temperature is there today and throughout the year.

Water Temperature Range in Osaka in April

52°F

MINIMUN

57°F

AVERAGE

63°F

MAXIMUM

Historical Data of Water Temperature in April in Osaka

Water Temperature Chart for Seto Inland Sea in Osaka in April

Sea Temperature Table in Osaka in April Over the Past Years

Day	2024	2023	2022	Average
Apr 1	57°C	57°C	52°C	55°C
Apr 2	57°C	57°C	54°C	55°C
Apr 3	57°C	57°C	54°C	56°C
Apr 4	57°C	57°C	54°C	56°C
Apr 5	59°C	57°C	54°C	56°C
Apr 6	57°C	57°C	54°C	56°C
Apr 7	59°C	57°C	55°C	57°C
Apr 8	59°C	59°C	55°C	58°C
Apr 9	59°C	59°C	55°C	58°C
Apr 10	59°C	57°C	55°C	57°C
Apr 11	57°C	57°C	55°C	57°C
Apr 12	59°C	57°C	57°C	58°C
Apr 13	59°C	57°C	57°C	58°C
Apr 14	59°C	57°C	57°C	58°C
Apr 15	59°C	57°C	57°C	58°C
Apr 16	59°C	59°C	57°C	58°C
Apr 17	59°C	59°C	59°C	59°C
Apr 18	59°C	59°C	59°C	59°C
Apr 19	57°C	57°C	59°C	58°C
Apr 20	59°C	59°C	59°C	59°C
Apr 21	59°C	59°C	59°C	59°C
Apr 22	59°C	59°C	61°C	60°C
Apr 23	61°C	57°C	61°C	60°C
Apr 24	61°C	59°C	61°C	60°C
Apr 25	59°C	59°C	61°C	60°C
Apr 26	61°C	59°C	61°C	60°C
Apr 27	59°C	59°C	63°C	60°C
Apr 28	61°C	59°C	63°C	60°C
Apr 29	61°C	59°C	63°C	60°C

Osaka Climate and Swimming Opportunities in April

66°F

Average Day Air Temperature

50°F

Average Night Air Temperature

4 in

Precipitation Amount per Month

12 days

Number of Rainy Days

13 hrs

Daylight
per Day

6 hrs

Sunshine
per Day

8 mph

Average Wind Speed

64%

Average
humidity

Osaka lies within the Osaka Prefecture in Japan. The average daytime temperature in Osaka in April is 19°C (67°F), while the nighttime average is 10°C (50°F). There are typically 12 rainy days during the month, with a total precipitation of 113 mm (4.5 inches). The daylight duration in April in Osaka is 13 hours, with an average of 6 hours of sunshine per day. The average wind speed in April is 13 km/h (8 mph), and the humidity level is around 64%.

The water temperature in Osaka in April ranges from 12°C to 15°C (54°F to 59°F). At the beginning of the month, the average temperature is around 13°C (55°F), shifting to 14°C (57°F) by mid-April and reaching 15°C (59°F) in the last ten days. Overall, the average sea temperature in Osaka for April is 14°C (57°F). Ideal conditions for a refreshing swim, though some may still find it a bit cool.

Sea Temperature in April in Nearby Cities

Frequently Asked Questions About Water Temperatures in April in Osaka

What is the sea temperature in Osaka in April?

The water temperature in the Seto Inland Sea in Osaka in April ranges from 12°C to 15°C (54°F to 59°F).

Is it possible to swim in the Seto Inland Sea in Osaka in April?

The average sea temperature in Osaka in April is 14°C (57°F), and the air temperature is 19°C (67°F), so ideal conditions for a refreshing swim, though some may still find it a bit cool.