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Sea Temperature in Osaka in December
Complete information on the sea temperature range in the Seto Inland Sea in Osaka in December. Historical daily data. Climate details for December. 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 December
12°C
MINIMUN
16°C
AVERAGE
20°C
MAXIMUM
Historical Data of Water Temperature in December in Osaka
Water Temperature Chart for Seto Inland Sea in Osaka in December
Sea Temperature Table in Osaka in December Over the Past Years
| Day | 2024 | 2023 | 2022 | Average |
|---|---|---|---|---|
| Dec 1 | 19°C | 18°C | 19°C | 18.3°C |
| Dec 2 | 18°C | 18°C | 19°C | 18.0°C |
| Dec 3 | 18°C | 18°C | 18°C | 18.0°C |
| Dec 4 | 18°C | 18°C | 19°C | 18.0°C |
| Dec 5 | 18°C | 17°C | 18°C | 17.5°C |
| Dec 6 | 18°C | 17°C | 18°C | 17.5°C |
| Dec 7 | 18°C | 16°C | 18°C | 17.0°C |
| Dec 8 | 17°C | 18°C | 17°C | 17.3°C |
| Dec 9 | 18°C | 17°C | 17°C | 17.3°C |
| Dec 10 | 17°C | 17°C | 17°C | 17.0°C |
| Dec 11 | 17°C | 16°C | 17°C | 16.8°C |
| Dec 12 | 17°C | 17°C | 17°C | 16.8°C |
| Dec 13 | 17°C | 17°C | 17°C | 16.8°C |
| Dec 14 | 18°C | 16°C | 17°C | 16.8°C |
| Dec 15 | 17°C | 16°C | 17°C | 16.5°C |
| Dec 16 | 17°C | 17°C | 17°C | 16.8°C |
| Dec 17 | 17°C | 17°C | 17°C | 17.0°C |
| Dec 18 | 17°C | 16°C | 16°C | 16.3°C |
| Dec 19 | 16°C | 16°C | 16°C | 15.8°C |
| Dec 20 | 17°C | 16°C | 16°C | 16.3°C |
| Dec 21 | 16°C | 16°C | 16°C | 16.0°C |
| Dec 22 | 16°C | 16°C | 16°C | 16.0°C |
| Dec 23 | 16°C | 16°C | 16°C | 16.0°C |
| Dec 24 | 15°C | 15°C | 16°C | 15.5°C |
| Dec 25 | 16°C | 15°C | 15°C | 15.5°C |
| Dec 26 | 15°C | 15°C | 16°C | 15.3°C |
| Dec 27 | 15°C | 15°C | 15°C | 15.0°C |
| Dec 28 | 15°C | 15°C | 15°C | 15.0°C |
| Dec 29 | 15°C | 15°C | 15°C | 15.0°C |
| Dec 30 | 14°C | 15°C | 15°C | 14.5°C |
Osaka Climate and Swimming Opportunities in December
12°C
Average Day Air Temperature
4°C
Average Night Air Temperature
44 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
66%
Average
humidity
Osaka lies within the Osaka Prefecture in Japan. The average daytime temperature in Osaka in December is 12°C (53°F), while the nighttime average is 4°C (39°F). There are typically 10 rainy days during the month, with a total precipitation of 44 mm (1.8 inches). The daylight duration in December in Osaka 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 66%.
The water temperature in Osaka in December ranges from 14°C to 18°C (57°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 15°C (59°F) in the last ten days. Overall, the average sea temperature in Osaka for December is 17°C (63°F).
Frequently Asked Questions About Water Temperatures in December in Osaka
What is the sea temperature in Osaka in December?
The water temperature in the Seto Inland Sea in Osaka in December ranges from 14°C to 18°C (57°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.