Sea Temperature in Matsuyama in December

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

14°C

MINIMUN

18°C

AVERAGE

22°C

MAXIMUM

Historical Data of Water Temperature in December in Matsuyama

Water Temperature Chart for Seto Inland Sea in Matsuyama in December

Sea Temperature Table in Matsuyama in December Over the Past Years

Day	2024	2023	2022	Average
Dec 1	20°C	19°C	20°C	19.5°C
Dec 2	19°C	19°C	19°C	18.8°C
Dec 3	19°C	19°C	20°C	19.0°C
Dec 4	19°C	19°C	19°C	19.0°C
Dec 5	18°C	18°C	19°C	18.5°C
Dec 6	18°C	18°C	19°C	18.3°C
Dec 7	18°C	18°C	18°C	18.0°C
Dec 8	18°C	18°C	18°C	18.3°C
Dec 9	18°C	18°C	18°C	18.0°C
Dec 10	17°C	18°C	18°C	17.8°C
Dec 11	17°C	18°C	18°C	17.5°C
Dec 12	17°C	17°C	18°C	17.5°C
Dec 13	17°C	18°C	18°C	17.8°C
Dec 14	18°C	17°C	18°C	17.5°C
Dec 15	17°C	17°C	18°C	17.5°C
Dec 16	18°C	18°C	18°C	17.8°C
Dec 17	17°C	17°C	17°C	17.3°C
Dec 18	18°C	17°C	17°C	17.3°C
Dec 19	17°C	17°C	17°C	16.8°C
Dec 20	17°C	17°C	17°C	16.8°C
Dec 21	17°C	17°C	17°C	16.8°C
Dec 22	16°C	16°C	17°C	16.3°C
Dec 23	17°C	16°C	17°C	16.5°C
Dec 24	16°C	17°C	16°C	16.3°C
Dec 25	16°C	16°C	16°C	16.0°C
Dec 26	16°C	17°C	16°C	16.0°C
Dec 27	16°C	16°C	16°C	15.8°C
Dec 28	16°C	16°C	16°C	16.0°C
Dec 29	16°C	15°C	15°C	15.3°C
Dec 30	15°C	16°C	15°C	15.3°C

Matsuyama Climate and Swimming Opportunities in December

12°C

Average Day Air Temperature

3°C

Average Night Air Temperature

55 mm

Precipitation Amount per Month

10 days

Number of Rainy Days

10 hrs

Daylight
per Day

4 hrs

Sunshine
per Day

12 km/h

Average Wind Speed

70%

Average
humidity

Matsuyama lies within the Ehime Prefecture in Japan. The average daytime temperature in Matsuyama in December is 12°C (53°F), while the nighttime average is 3°C (37°F). There are typically 10 rainy days during the month, with a total precipitation of 55 mm (2.2 inches). The daylight duration in December in Matsuyama is 10 hours, with an average of 4 hours of sunshine per day. The average wind speed in December is 12 km/h (7 mph), and the humidity level is around 70%.

The water temperature in Matsuyama in December ranges from 15°C to 19°C (59°F to 66°F). At the beginning of the month, the average temperature is around 19°C (66°F), shifting to 18°C (64°F) by mid-December and reaching 16°C (61°F) in the last ten days. Overall, the average sea temperature in Matsuyama for December is 17°C (63°F).

Sea Temperature in December in Nearby Cities

Frequently Asked Questions About Water Temperatures in December in Matsuyama

What is the sea temperature in Matsuyama in December?

The water temperature in the Seto Inland Sea in Matsuyama in December ranges from 15°C to 19°C (59°F to 66°F).

Is it possible to swim in the Sea of Japan in Aomori in December?

The average sea temperature in Aomori in December is 14°C (57°F), and the air temperature is 2°C (35°F), so the water is chilly, and the cold air makes getting out of the water uncomfortable. Only experienced swimmers should consider it.