SeasonScore
Nagasaki, Japan
Photo: 663highland · CC BY-SA 3.0

Japan

Nagasaki in October

🍁 Autumn (koyo)

Pleasant and some showers. Watch for tropical cyclone risk.

🎒 Pack: compact umbrella or rain jacket

Best months: Oct (9.1), Nov (9.1), May (9.0)

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Why October scores 9.1What goes into the score

How it works
🌡️ 24° / 17°C🌧️ 102 mm💧 dew pt 15°🍃 PM2.5 9
  • Weather comfort9.2
    • ✓Comfortable temperatures (24°C highs / 17°C lows)
    • ✓Slightly humid (dew point 15.4°C)
    • !Wet: ~102 mm rain, ~3 heavy-rain days
  • Air quality9.4
    • ✓Good (within WHO guideline) (PM2.5 ~9 µg/m³)
  • Seasonal hazards8.5
    • !Tropical cyclone: Peak of the Western Pacific typhoon season
  • Safety baseline9.0
    • ·Normal precautions
Compare monthsPut October side by side with another month
OctNov
Score9.1 Excellent9.1 Excellent
Season🍁 Autumn (koyo)🍁 Autumn (koyo)
High / low24° / 17°19° / 11°
Rain102 mm101 mm
Humiditydew pt 15°dew pt 11°
PM2.59 µg/m³10 µg/m³

Typical-month data: NASA POWER (MERRA-2 reanalysis) 2015–2024 (modelled, not a forecast). Temperatures: Nagasaki weather-station normals. Rainfall: Nagasaki weather-station normals (national met service).

Holidays & crowdsOctober 2027

Long weekend

There's at least one long weekend. Domestic travel picks up and popular spots get busier over those days.

  • Sports Day 9–11 Oct · 3 days off in a row

National holidays only; regional holidays and school breaks aren't included. Source: holidays (open-source public-holiday calendar).

Nature calendarBlossoms, leaves & seasons in Nagasaki

  • Cherry blossom 2026 (what actually happened)2026 actual
    First blooms 27 Mar 2026, full bloom 3 Apr 2026

    Observed by JMA at the city's official sample tree. The 2027 forecast isn't out yet: Japanese weather companies such as the Japan Weather Association usually publish the first one in January, and we add it then.

    Source: Japan Meteorological Agency

  • Cherry blossomTypical dates
    First blooms ~23 Mar, full bloom ~2 Apr

    Typical dates (1991–2020 normal). In 2021–2026 first blooms came between 14 Mar and 27 Mar (27 Mar in 2026). Blossoms last about a week after full bloom.

    Source: Japan Meteorological Agency

  • Autumn leavesTypical dates
    Maples turn red ~7 Dec

    Typical date the JMA observatory's maple turns red (1991–2020 normal); city parks are usually close to this.

    Source: Japan Meteorological Agency

Explore NagasakiEvents, sights, food & souvenirs

Check event dates locally

Nagasaki is a harbour city in Kyushu shaped by centuries of trade with China and Europe, and is visited for its peace memorials, churches and hillside views.

Events in October
Nagasaki KunchiEvery year7-9 October every year

The festival of Suwa Shrine with dragon dances, ship floats and performances by city districts.

Why go: Seating at the main venue needs tickets; street performances can be seen for free.

Where: Suwa Shrine and city streets

Coming up later

Nagasaki Lantern FestivalDate variesLunar calendar — about two weeks from Chinese New Year, late January to February; date moves each year

Thousands of Chinese lanterns light the city, with parades and dragon dances.

Why go: The city's biggest winter event; book early.

Where: Shinchi Chinatown, Minato Park and city centre

Peace Memorial CeremonyEvery year9 August every year

A ceremony marking the anniversary of the 1945 atomic bombing.

Why go: A silent prayer is observed at 11:02, the time of the explosion.

Where: Peace Park

Shōrō NagashiEvery year15 August every year

Families parade decorated spirit boats for the recently deceased, with loud firecrackers.

Why go: Very noisy; ear protection helps.

Where: Central streets

Plan this tripTickets, data and transfers for Nagasaki

Airport transfer Kiwitaxi

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