Sea Temperature in Okayama in April

Complete information on the sea temperature range in the Seto Inland Sea in Okayama in April. Historical daily data. Climate details for April. Tips on swimming conditions and beach relaxation in Okayama. 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 Okayama in April

10°C

MINIMUN

13.5°C

AVERAGE

17°C

MAXIMUM

Historical Data of Water Temperature in April in Okayama

Water Temperature Chart for Seto Inland Sea in Okayama in April

Sea Temperature Table in Okayama in April Over the Past Years

Day	2024	2023	2022	Average
Apr 1	13°C	12°C	15°C	13.0°C
Apr 2	13°C	13°C	13°C	12.8°C
Apr 3	13°C	12°C	16°C	13.3°C
Apr 4	14°C	12°C	15°C	13.3°C
Apr 5	13°C	12°C	13°C	12.5°C
Apr 6	13°C	12°C	17°C	13.5°C
Apr 7	14°C	13°C	17°C	14.0°C
Apr 8	14°C	13°C	15°C	13.5°C
Apr 9	14°C	13°C	14°C	13.5°C
Apr 10	13°C	12°C	15°C	13.3°C
Apr 11	14°C	12°C	17°C	14.0°C
Apr 12	13°C	12°C	15°C	13.3°C
Apr 13	13°C	12°C	17°C	13.8°C
Apr 14	13°C	13°C	13°C	12.8°C
Apr 15	13°C	12°C	17°C	13.8°C
Apr 16	14°C	13°C	13°C	13.3°C
Apr 17	13°C	13°C	14°C	13.3°C
Apr 18	13°C	12°C	17°C	13.8°C
Apr 19	13°C	12°C	17°C	13.8°C
Apr 20	13°C	13°C	13°C	13.0°C
Apr 21	13°C	13°C	14°C	13.5°C
Apr 22	14°C	13°C	17°C	14.5°C
Apr 23	14°C	13°C	16°C	14.0°C
Apr 24	14°C	12°C	13°C	13.0°C
Apr 25	14°C	13°C	17°C	14.5°C
Apr 26	14°C	13°C	13°C	13.5°C
Apr 27	14°C	14°C	15°C	14.3°C
Apr 28	15°C	14°C	14°C	14.5°C
Apr 29	15°C	14°C	16°C	14.8°C

Okayama Climate and Swimming Opportunities in April

19°C

Average Day Air Temperature

9°C

Average Night Air Temperature

153 mm

Precipitation Amount per Month

12 days

Number of Rainy Days

13 hrs

Daylight
per Day

6 hrs

Sunshine
per Day

12 km/h

Average Wind Speed

69%

Average
humidity

Okayama lies within the Okayama Prefecture in Japan. The average daytime temperature in Okayama in April is 19°C (67°F), while the nighttime average is 9°C (48°F). There are typically 12 rainy days during the month, with a total precipitation of 153 mm (6.0 inches). The daylight duration in April in Okayama is 13 hours, with an average of 6 hours of sunshine per day. The average wind speed in April is 12 km/h (7 mph), and the humidity level is around 69%.

The water temperature in Okayama in April ranges from 12°C to 14°C (54°F to 57°F). At the beginning of the month, the average temperature is around 13°C (55°F), shifting to 13°C (55°F) by mid-April and reaching 14°C (57°F) in the last ten days. Overall, the average sea temperature in Okayama 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 Okayama

What is the sea temperature in Okayama in April?

The water temperature in the Seto Inland Sea in Okayama in April ranges from 12°C to 14°C (54°F to 57°F).

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

The average sea temperature in Okayama 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.