Best time to visit Nagasaki

Find the best time to visit Nagasaki and plan your perfect trip in 2025/2026. Get holiday inspiration, weather guides, travel advice and find great deals.

Nagasaki by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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When is the best time to visit Nagasaki?

The best time to visit Nagasaki is May, September and October based on the following average weather conditions.

Maximum daytime temperature = 22 - 30°C [remove]
Daily hours of sunshine = 10 hours or more [remove]

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Max Day Temperature (°C)

  • 9°C maximum daytime temperature in January in Nagasaki9
    Jan
  • 10°C maximum daytime temperature in February in Nagasaki10
    Feb
  • 14°C maximum daytime temperature in March in Nagasaki14
    Mar
  • 19°C maximum daytime temperature in April in Nagasaki19
    Apr
  • 23°C maximum daytime temperature in May in Nagasaki23
    May
  • 26°C maximum daytime temperature in June in Nagasaki26
    Jun
  • 29°C maximum daytime temperature in July in Nagasaki29
    Jul
  • 31°C maximum daytime temperature in August in Nagasaki31
    Aug
  • 28°C maximum daytime temperature in September in Nagasaki28
    Sep
  • 23°C maximum daytime temperature in October in Nagasaki23
    Oct
  • 17°C maximum daytime temperature in November in Nagasaki17
    Nov
  • 12°C maximum daytime temperature in December in Nagasaki12
    Dec

Hours of Sunshine (daily)

  • Jan
  • Feb
  • Mar
  • Apr
  • May
  • Jun
  • Jul
  • Aug
  • Sep
  • Oct
  • Nov
  • Dec

Which is the hottest month in Nagasaki?

The hottest time of year in Nagasaki is normally August. Expect maximum daytime temperatures to reach 31°C with very high heat and humidity.

Which month has the most rain in Nagasaki?

In terms of rainfall, June is usually the wettest month in Nagasaki with 362mm on average. There are normally 19 days in June with some rain.

When is it sunniest in Nagasaki?

The sunniest time of year in Nagasaki is normally August with bright sunshine on average for 51% of daylight hours; that's 7 hours of sunshine per day.

When is the sea warmest in Nagasaki?

The sea is usually at its warmest in Nagasaki in August when the water temperature reaches 27°C.

Best time to visit

The weather guide for Japan (Nagasaki) shows long term weather averages processed from data supplied by CRU (University of East Anglia) & today's weather forecast provided by meteoblue. Find out more about our data sources.

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

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