What is the weather like in Nagasaki in May?

Expect temperatures between 16°C and 22°C with 30% average rain probability and about 8 hours of sunshine daily.

What is the weather like in Nagasaki in May?

Nagasaki in May scores 56/100 based on 30 years of climate data. Decent conditions for most activities.

Who should visit Nagasaki in May?

May in Nagasaki is ideal for: Cultural tourists, Business travelers.

Nagasaki Weather in May | 30-Year Forecast

Avg High

22°C

Hottest around day 30

Avg Low

16°C

Coolest around day 1

Rainy Days

26days

30% avg rain chance

Sunshine

8hrs/day

Spring season

Sea Temperature in May

Coastal Waters(Ocean)

19.7°C

Monthly Average

Water Feel

🏊Pleasant

Comfortable for most swimmers

Swim Rating

👍Good for swimming

Based on average sea surface temperature

Body of Water

Coastal Waters

Ocean

Nagasaki coastline

Nagasaki May Weather Calendar

Click any day to see detailed weather information

Day 1

Cloudy

20°C30%

Day 2

Cloudy

20°C30%

Day 3

Cloudy

21°C29%

Day 4

Cloudy

21°C29%

Day 5

Cloudy

21°C32%

Day 6

Cloudy

21°C32%

Day 7

Cloudy

21°C32%

Day 8

Cloudy

21°C33%

Day 9

Cloudy

21°C33%

Day 10

Cloudy

21°C31%

Day 11

Cloudy

21°C36%

Day 12

Cloudy

22°C35%

Day 13

Cloudy

22°C32%

Day 14

Cloudy

22°C32%

Day 15

Cloudy

22°C32%

Day 16

Cloudy

22°C33%

Day 17

Cloudy

22°C32%

Day 18

Cloudy

22°C31%

Day 19

Cloudy

22°C28%

Day 20

Cloudy

23°C25%

Day 21

Nice

23°C20%

Day 22

Cloudy

23°C22%

Day 23

Cloudy

23°C21%

Day 24

Cloudy

23°C23%

Day 25

Cloudy

23°C26%

Day 26

Cloudy

23°C28%

Day 27

Cloudy

23°C29%

Day 28

Cloudy

23°C35%

Day 29

Cloudy

24°C34%

Day 30

Cloudy

24°C34%

Day 31

Cloudy

24°C36%

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

unlock smart flight estimates

Add your home location in settings to see airport details.

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 May a Good Time to Visit Nagasaki?

👌Decent conditions for most activities(56/100)

Short Answer

Storm season alert for Nagasaki in May: beyond the 22°C, 30% rain averages, hurricane risk requires travel insurance and schedule flexibility.

Decision Factors

Typhoon season active

Western Pacific zone - expect potential typhoon activity

Vaccinations required

Yellow Fever

Very high humidity

80% average humidity

Ideal temperature range

22.1°C - perfect for sightseeing and outdoor activities

Health precautions needed

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

Plenty of sunshine

8.6h of sunshine daily

Good For

🏛️
Cultural tourists
Comfortable conditions for exploring museums and sites
💼
Business travelers
Climate-controlled meetings unaffected by weather

Who Should Avoid

👴
Elderly travelers
80% 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 May averages 22°C with 30% precipitation probability."

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

Frequently Asked Questions: Nagasaki in May

What are the temperatures in Nagasaki in May?

Daytime highs average 22°C, nights drop to 16°C. Temperatures remain fairly consistent.

How many rainy days in Nagasaki in May?

Expect around 26 days with measurable rainfall. Rain is unlikely to disrupt plans.

What to wear in Nagasaki in May?

Comfortable casual wear with a light jacket for evenings.

Is May peak season in Nagasaki?

This is shoulder season—moderate prices and manageable crowds.

Nagasaki Weather in May

Sea Temperature in May

Nagasaki May Weather Calendar

Essential Travel Info for Nagasaki

Travel Intelligence

Smart Flight Estimator

Flight Connectivity Analysis

Monthly Traffic Distribution

Key Connections

Health & Safety Advisory

COVID-19

Hepatitis A

Hepatitis B

Japanese Encephalitis

Measles

Rabies

Decision Factors

Good For

Who Should Avoid

Related Guides

Frequently Asked Questions: Nagasaki in May

What are the temperatures in Nagasaki in May?

How many rainy days in Nagasaki in May?

What to wear in Nagasaki in May?

Is May peak season in Nagasaki?