What is the weather like in Nagasaki in April?

Expect temperatures between 12°C and 18°C with 29% average rain probability and about 8 hours of sunshine daily.

What is the weather like in Nagasaki in April?

Nagasaki in April scores 57/100 based on 30 years of climate data. Decent conditions for most activities.

Who should visit Nagasaki in April?

April in Nagasaki is ideal for: Families with children, Cultural tourists, Business travelers.

Nagasaki Weather in April | 30-Year Forecast

Avg High

18°C

Hottest around day 30

Avg Low

12°C

Coolest around day 1

Rainy Days

27days

29% avg rain chance

Sunshine

8hrs/day

Spring season

Sea Temperature in April

Coastal Waters(Ocean)

17°C

Monthly Average

Water Feel

💧Refreshing

Consider a wetsuit for extended swimming

Swim Rating

🏄Cool, wetsuits recommended

Based on average sea surface temperature

Body of Water

Coastal Waters

Ocean

Nagasaki coastline

Essential Travel Info for Nagasaki

🗓️ Best Time to Visit 📖 Travel Guide 🍴 Food Guide

Currency

JPY

¥ Japanese yen

Language

Japanese

Driving

Left side

Safety

Very High Safety

GPI: 1.336

Travel Intelligence

Exclusive flight analytics & health data for Nagasaki

Smart Flight Estimator

Airport-to-Airport Logistics

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Flight Connectivity Analysis

Airport traffic data & seasonal patterns

Remote

19/ 100

Traffic Index

Off the beaten path

Peak Daily Arrivals

slots per day

Peak

Feb

Low

Jul

Monthly Traffic Distribution

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Traffic Level

Low Season

Key Connections

Tokyo (HND)

Osaka (ITM)

Kobe (UKB)

Tsushima (TSJ)

Goto Fukue (FUJ)

Health & Safety Advisory

CDC travel health recommendations

8 Recommendations

COVID-19

All eligible travelers should be up to date with their COVID-19 vaccines. Please seeYour COVID-19 Vaccinationfor more information.

Hepatitis A

Consider hepatitis A vaccination for most travelers. It is recommended for travelers who will be doing higher risk activities, such as visiting smaller cities, villages, or rural areas where a traveler might get infected through food or water. It is recommended for travelers who plan on eating street food.

Hepatitis B

Recommended for unvaccinated travelers younger than 60 years old traveling to Japan. Unvaccinated travelers 60 years and older may get vaccinated before traveling to Japan.

Japanese Encephalitis

Recommended for travelers whoAre moving to an area with Japanese encephalitis to liveSpend long periods of time, such as a month or more, in areas with Japanese encephalitisFrequently travel to areas with Japanese encephalitisConsider vaccination for travelersSpending less than a month in areas with Japanese encephalitis but will be doing activities that increase risk of infection, such as visiting rural areas, hiking or camping, or staying in places without air conditioning, screens, or bed netsGoing to areas with Japanese encephalitis who are uncertain of their activities or how long they will be thereNot recommended for travelers planning short-term travel to urban areas or travel to areas with no clear Japanese encephalitis season.

Measles

Cases of measles are on the rise worldwide. Travelers are at risk of measles if they have not been fully vaccinated at least two weeks prior to departure, or have not had measles in the past, and travel internationally to areas where measles is spreading.All international travelers should be fully vaccinated against measles with the measles-mumps-rubella (MMR) vaccine, including an early dose for infants 6–11 months, according toCDC’s measles vaccination recommendations for international travel.

Rabies

Dogs infected with rabies are not commonly found in Japan.If rabies exposures occur while in Japan, rabies vaccines are typically available throughout most of the country.Rabies pre-exposure vaccination considerations include whether travelers 1) will be performing occupational or recreational activities that increase risk for exposure to potentially rabid animals and 2) might have difficulty getting prompt access to safe post-exposure prophylaxis.Please consult with a healthcare provider to determine whether you should receive pre-exposure vaccination before travel.For more information, seecountry rabies status assessments.

+2 more

Source: CDC Travelers' Health

View Complete Health Guide

Is April a Good Time to Visit Nagasaki?

👌Decent conditions for most activities(57/100)

Short Answer

⚠️ April falls in Nagasaki's typhoon season. While daily weather averages 18°C with 29% rain, tropical storms can disrupt travel. Flexible bookings recommended.

Decision Factors

Typhoon season active

Western Pacific zone - expect potential typhoon activity

Vaccinations required

Yellow Fever

Health precautions needed

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

Plenty of sunshine

8.4h of sunshine daily

Shoulder season - balanced conditions

73% of peak - good value with moderate crowds

Good For

👨‍👩‍👧‍👦
Families with children
Comfortable 18.3°C temperatures and low 29% rain risk
🏛️
Cultural tourists
Comfortable conditions for exploring museums and sites
💼
Business travelers
Climate-controlled meetings unaffected by weather

Who Should Avoid

🏖️
Beach lovers
Sea temperature only 17°C - too cold for comfortable swimming
👴
Elderly travelers
75% humidity creates difficult conditions
💼
Business travelers
Storm season may cause flight disruptions

"According to 30YearWeather's analysis of 30 years of NASA POWER satellite data,Nagasaki in April averages 18°C with 29% precipitation probability."

📊 Source: 30YearWeather.com🛰️ Data: NASA POWER (1991-2021)View Methodology →

Frequently Asked Questions: Nagasaki in April

What are the temperatures in Nagasaki in April?

Daytime highs average 18°C, nights drop to 12°C. Temperatures remain fairly consistent.

How many rainy days in Nagasaki in April?

Expect around 27 days with measurable rainfall. Rain is unlikely to disrupt plans.

What to wear in Nagasaki in April?

Layers are key. A medium-weight jacket and closed-toe shoes.

Is April peak season in Nagasaki?

This is shoulder season—moderate prices and manageable crowds.

Nagasaki Weather in April