What is the weather like in Nagasaki throughout the year?

Nagasaki experiences varying weather throughout the year. The warmest month is August with average highs of 30°C. The coolest month is January.

What is the weather like in Nagasaki in October?

Nagasaki in October scores 59/100 based on 30 years of climate data. Decent conditions for most activities.

Who should visit Nagasaki in October?

October in Nagasaki is ideal for: Beach lovers, Families with children, Elderly travelers, Outdoor enthusiasts, Photographers.

Best Time to Visit Nagasaki | 30-Year Weather Analysis

Why October is the Best Time to Visit Nagasaki

Is October a Good Time to Visit Nagasaki?

👌Decent conditions for most activities(59/100)

Short Answer

October brings storm season risk to Nagasaki. While typical weather is 23°C with 20% rain, plan for potential disruptions and secure cancellation-friendly bookings.

Decision Factors

Typhoon season active

Western Pacific zone - expect potential typhoon activity

Vaccinations required

Yellow Fever

Ideal temperature range

23.1°C - perfect for sightseeing and outdoor activities

Pleasant swimming conditions

25.6°C sea temperature

Health precautions needed

Be aware of: Leptospirosis, Hantavirus, Tuberculosis (TB)

Plenty of sunshine

8.3h of sunshine daily

Good For

🏖️
Beach lovers
25.6°C warm seas and 20% rain probability
👨‍👩‍👧‍👦
Families with children
Comfortable 23.1°C temperatures and low 20% rain risk
👴
Elderly travelers
Comfortable 23.1°C temperature range with manageable humidity
🥾
Outdoor enthusiasts
Ideal hiking conditions: 23.1°C, 20% rain chance
📸
Photographers
8.3h sunshine, 53% clear skies for golden hour shots

Who Should Avoid

💼
Business travelers
Storm season may cause flight disruptions

Warmest

August

30°C avg

Coolest

January

10°C avg

Driest

December

19% rain

Wettest

June

46% rain

Planning Your Trip to Nagasaki, Japan

Wondering when is the best time to visit Nagasaki? Based on our analysis of 30 years of NASA satellite weather data, the ideal months to travel to Nagasaki are October, November, May. During these months, you'll experience optimal temperatures around 23°C with only 20% chance of rain.

The Nagasaki climate varies throughout the year. August is the hottest month with average highs of 30°C, while January is the coldest at 10°C. If you're planning outdoor activities or sightseeing in Nagasaki, avoid June when rainfall peaks at 46% probability.

For the best Nagasaki weather experience, we recommend visiting during December for the driest conditions or the shoulder months of October and November for a perfect balance of weather and fewer crowds.

Nagasaki Weather by Month: Climate Guide

Click any month to explore detailed daily forecasts for Nagasaki

🏆 85-100: Excellent👍 70-84: Great👌 55-69: Good🤔 40-54: Fair⚠️ 0-39: Challenging

When to Visit Nagasaki: Travel Style Guide

Personalized Nagasaki travel recommendations based on 30-year weather data

Beach Lovers

Warmest weather with ideal sea temperatures for swimming

AugustSeptember

Budget Travelers

Shoulder season with good weather and lower prices

JanuaryAprilJune

Avoiding Crowds

Fewer tourists with acceptable weather conditions

JanuaryFebruaryMarch

Photography

Best light conditions with clear skies

DecemberOctoberNovember

Honeymoon

Perfect conditions for a romantic getaway

AprilMaySeptember

Nagasaki Weather FAQ: Your Questions Answered

What is the best time to visit Nagasaki?

Based on 30 years of weather data, the best months to visit Nagasaki are October, November, May. These months offer the optimal combination of pleasant temperatures (23°C avg) and low rainfall (20% chance).

When is the hottest time of year in Nagasaki?

August is historically the warmest month in Nagasaki with average highs of 30°C. If you prefer cooler weather, consider visiting in January when temperatures average around 10°C.

When is the rainy season in Nagasaki?

June typically sees the most rainfall in Nagasaki with a 46% chance of rain. For the driest conditions, plan your visit in December when rain probability drops to just 19%.

How accurate is the Nagasaki weather forecast?

Our Nagasaki climate analysis is based on 30 years of NASA POWER satellite observations (1995-2024), providing highly accurate historical averages. While weather can vary year to year, these long-term patterns are excellent indicators for planning your trip to Nagasaki.

What should I pack for Nagasaki?

Packing depends on when you visit. In August (warmest month), pack light summer clothes for 30°C weather. In January (coolest month), bring layers for 10°C temperatures. During June, pack rain gear as there's a 46% chance of rain.

Is Nagasaki good for a destination wedding?

Yes! The best months for an outdoor wedding in Nagasaki are December (only 19% rain chance) and October for optimal weather conditions. Avoid June when rain probability peaks at 46%.