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Sea Temperature in Nagasaki in December
Complete information on the sea temperature range in the Seto Inland Sea in Nagasaki in December. Historical daily data. Climate details for December. Tips on swimming conditions and beach relaxation in Nagasaki. 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 Nagasaki in December
59°F
MINIMUN
64°F
AVERAGE
70°F
MAXIMUM
Historical Data of Water Temperature in December in Nagasaki
Water Temperature Chart for Seto Inland Sea in Nagasaki in December
Sea Temperature Table in Nagasaki in December Over the Past Years
| Day | 2024 | 2023 | 2022 | Average |
|---|---|---|---|---|
| Dec 1 | 68°C | 66°C | 68°C | 67°C |
| Dec 2 | 66°C | 66°C | 68°C | 66°C |
| Dec 3 | 66°C | 66°C | 66°C | 66°C |
| Dec 4 | 68°C | 64°C | 68°C | 67°C |
| Dec 5 | 66°C | 66°C | 66°C | 66°C |
| Dec 6 | 66°C | 66°C | 66°C | 66°C |
| Dec 7 | 66°C | 64°C | 66°C | 65°C |
| Dec 8 | 64°C | 66°C | 64°C | 65°C |
| Dec 9 | 64°C | 64°C | 64°C | 64°C |
| Dec 10 | 64°C | 64°C | 64°C | 64°C |
| Dec 11 | 64°C | 64°C | 64°C | 65°C |
| Dec 12 | 64°C | 64°C | 66°C | 64°C |
| Dec 13 | 64°C | 64°C | 64°C | 64°C |
| Dec 14 | 64°C | 64°C | 64°C | 64°C |
| Dec 15 | 64°C | 64°C | 64°C | 64°C |
| Dec 16 | 64°C | 64°C | 64°C | 64°C |
| Dec 17 | 64°C | 64°C | 64°C | 64°C |
| Dec 18 | 63°C | 64°C | 63°C | 63°C |
| Dec 19 | 63°C | 64°C | 63°C | 63°C |
| Dec 20 | 63°C | 64°C | 63°C | 63°C |
| Dec 21 | 63°C | 64°C | 64°C | 64°C |
| Dec 22 | 63°C | 63°C | 64°C | 63°C |
| Dec 23 | 63°C | 63°C | 63°C | 63°C |
| Dec 24 | 63°C | 63°C | 63°C | 63°C |
| Dec 25 | 61°C | 63°C | 61°C | 62°C |
| Dec 26 | 63°C | 63°C | 61°C | 62°C |
| Dec 27 | 61°C | 63°C | 63°C | 62°C |
| Dec 28 | 61°C | 61°C | 61°C | 61°C |
| Dec 29 | 61°C | 61°C | 63°C | 62°C |
| Dec 30 | 61°C | 61°C | 61°C | 61°C |
Nagasaki Climate and Swimming Opportunities in December
54°F
Average Day Air Temperature
41°F
Average Night Air Temperature
3 in
Precipitation Amount per Month
10 days
Number of Rainy Days
10 hrs
Daylight
per Day
3 hrs
Sunshine
per Day
9 mph
Average Wind Speed
69%
Average
humidity
Nagasaki lies within the Nagasaki Prefecture in Japan. The average daytime temperature in Nagasaki in December is 12°C (54°F), while the nighttime average is 5°C (41°F). There are typically 10 rainy days during the month, with a total precipitation of 64 mm (2.5 inches). The daylight duration in December in Nagasaki is 10 hours, with an average of 3 hours of sunshine per day. The average wind speed in December is 15 km/h (9 mph), and the humidity level is around 69%.
The water temperature in Nagasaki in December ranges from 16°C to 19°C (61°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 17°C (63°F) in the last ten days. Overall, the average sea temperature in Nagasaki for December is 18°C (64°F).
Frequently Asked Questions About Water Temperatures in December in Nagasaki
What is the sea temperature in Nagasaki in December?
The water temperature in the Seto Inland Sea in Nagasaki in December ranges from 16°C to 19°C (61°F to 66°F).
Is it possible to swim in the Sea of Japan in Hokkaido in December?
The average sea temperature in Hokkaido in December is 5°C (41°F), and the air temperature is 2°C (35°F), so swimming in such conditions is extremely dangerous due to the risk of hypothermia and cold shock. Only experienced winter swimmers with proper preparation should attempt it.