Sea Temperature in Tokyo in December

Complete information on the sea temperature range in the Pacific Ocean in Tokyo in December. Historical daily data. Climate details for December. Tips on swimming conditions and beach relaxation in Tokyo. 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 Tokyo in December

9°C

MINIMUN

15°C

AVERAGE

21°C

MAXIMUM

Historical Data of Water Temperature in December in Tokyo

Water Temperature Chart for Pacific Ocean in Tokyo in December

Sea Temperature Table in Tokyo in December Over the Past Years

Day	2024	2023	2022	Average
Dec 1	19°C	18°C	19°C	18.3°C
Dec 2	19°C	17°C	19°C	17.8°C
Dec 3	19°C	18°C	19°C	18.3°C
Dec 4	19°C	18°C	19°C	18.0°C
Dec 5	18°C	17°C	19°C	17.5°C
Dec 6	19°C	17°C	19°C	17.8°C
Dec 7	18°C	17°C	18°C	17.5°C
Dec 8	18°C	18°C	17°C	17.8°C
Dec 9	18°C	18°C	17°C	17.8°C
Dec 10	18°C	17°C	17°C	17.3°C
Dec 11	18°C	17°C	18°C	17.5°C
Dec 12	18°C	17°C	17°C	17.3°C
Dec 13	17°C	17°C	18°C	17.0°C
Dec 14	18°C	18°C	18°C	17.5°C
Dec 15	18°C	17°C	17°C	17.0°C
Dec 16	17°C	16°C	17°C	16.5°C
Dec 17	18°C	16°C	17°C	16.5°C
Dec 18	18°C	17°C	17°C	16.8°C
Dec 19	17°C	17°C	16°C	16.3°C
Dec 20	17°C	16°C	17°C	16.5°C
Dec 21	17°C	16°C	17°C	16.5°C
Dec 22	16°C	17°C	16°C	16.0°C
Dec 23	17°C	17°C	16°C	16.5°C
Dec 24	16°C	16°C	16°C	16.0°C
Dec 25	16°C	16°C	16°C	15.8°C
Dec 26	16°C	16°C	16°C	15.8°C
Dec 27	17°C	16°C	15°C	15.8°C
Dec 28	16°C	16°C	15°C	15.5°C
Dec 29	16°C	16°C	15°C	15.5°C
Dec 30	16°C	16°C	15°C	15.5°C

Tokyo Climate and Swimming Opportunities in December

12°C

Average Day Air Temperature

4°C

Average Night Air Temperature

47 mm

Precipitation Amount per Month

10 days

Number of Rainy Days

10 hrs

Daylight
per Day

5 hrs

Sunshine
per Day

14 km/h

Average Wind Speed

59%

Average
humidity

Tokyo lies within the Tokyo Metropolis in Japan. The average daytime temperature in Tokyo in December is 12°C (53°F), while the nighttime average is 4°C (40°F). There are typically 10 rainy days during the month, with a total precipitation of 47 mm (1.9 inches). The daylight duration in December in Tokyo is 10 hours, with an average of 5 hours of sunshine per day. The average wind speed in December is 14 km/h (9 mph), and the humidity level is around 59%.

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

Sea Temperature in December in Nearby Cities

Frequently Asked Questions About Water Temperatures in December in Tokyo

What is the sea temperature in Tokyo in December?

The water temperature in the Pacific Ocean in Tokyo in December ranges from 15°C to 18°C (59°F to 64°F).

Is it possible to swim in the East China Sea in Yonakuni in December?

The average sea temperature in Yonakuni in December is 25°C (77°F), and the air temperature is 22°C (71°F), so optimal swimming conditions. The water is warm, and the air is comfortable for drying off and sunbathing.