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Temperature in Nagasaki in December

Nagasaki is a region in Japan. December is generally a mild month with maximum daytime temperatures around 14°C and nighttime temperatures around 9°C in Nagasaki. In December, it is winter.

What is the temperature of the different cities in Nagasaki in December?

Explore the map below to discover average December temperatures at the top destinations in Nagasaki. For a deeper dive, simply click on any destination dot.

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Legend very warm warm pleasant moderate cold very cold
Very warm means maximum temperatures above 30°C. Warm: 22°C to 30°C. Pleasant: 18°C to 22°C Moderate: 12°C to 18°C. Cold: 2°C to 12°C. Very cold: lower than 2°C

  • How much sun does Nagasaki get in December?
  • Most areas experience a moderate amount of sunshine, with approximately 114 hours of sunlight expected in Nagasaki. This makes it neither too gloomy nor overly bright.

  • What is the water's temperature in December?
  • The water temperature averages approximately 18°C in Nagasaki this month, so still a bit cool to swim but some enjoy a chilly dive.

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