Nagasaki weather in January 2025

Expect 9°C daytime maximum temperatures in the shade with on average 3 hours of sunshine per day in Nagasaki in January. Check more long-term weather averages for Nagasaki in January before you book your next holiday to Japan in 2025/2026.

  • 9°C maximum daytime temperature in January in Nagasaki9
    9°C max day temperature
  • 3 hours of sunshine per day
  • 21 days with some rainfall in January in Nagasaki21
    21 days with some rainfall
  • 2°C minimum night-time temperature in January in Nagasaki2
    2°C min night temperature
  • 10 hours of daylight per day in January in Nagasaki10
    10 hours of daylight per day
  • No heat & humidity in January in Nagasaki0
    No heat & humidity
  • 86 mm monthly rainfall in January in Nagasaki86
    86 mm of monthly rainfall
  • UV (maximum) index 3 (Moderate) in January in Nagasaki3
    3 (Moderate) UV index
  • 17°C sea temperature in January in Nagasaki17
    17°C sea temperature

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The January weather guide for Japan (Nagasaki) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

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More about Japan

How warm is it in Nagasaki in January?

Daytime temperatures usually reach 9°C in Nagasaki in January, falling to 2°C at night.

How sunny is it in Nagasaki in January?

There are normally 3 hours of bright sunshine each day in Nagasaki in January - that's 31% of daylight hours.

How warm is the sea around Nagasaki in January?

The average sea temperature around Nagasaki in January is 17°C.

Does it rain in Nagasaki in January?

There are usually 21 days with some rain in Nagasaki in January and the average monthly rainfall is 86mm.

Nagasaki January sunrise & sunset times

Browse the sunrise and sunset times for Nagasaki in January 2025. Select a month to view Nagasaki sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st January 2025 07:23 17:25
Thursday, 16th January 2025 07:23 17:38
Friday, 31st January 2025 07:16 17:52

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