30YearWeather
Nagasaki in December
Nagasaki weather in December - Japan
🌤️Mild & Comfortable

Nagasaki Weather in December

Plan your December trip to Nagasaki, Japan. Based on 30 years of NASA data, expect temperatures of 12°C (high) to 8°C (low), with 19% rain probability and 8 hours of daily sunshine. The Coastal Waters averages 18°C in December. Great conditions with only 0 rainy days expected.

Avg High
12°C

Hottest around day 1

Avg Low
8°C

Coolest around day 26

Rainy Days
0days

19% avg rain chance

Sunshine
8hrs/day

Winter season

Sea Temperature in December

Coastal Waters(Ocean)

18°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 December Weather Calendar

Click any day to see detailed weather information

Day 1
cloudy
Cloudy
15°C23%
Day 2
cloudy
Cloudy
14°C21%
Day 3
cloudy
Cloudy
14°C21%
Day 4
cloudy
Cloudy
14°C22%
Day 5
partly-cloudy-day
Nice
13°C19%
Day 6
partly-cloudy-day
Nice
13°C17%
Day 7
partly-cloudy-day
Nice
13°C15%
Day 8
partly-cloudy-day
Nice
13°C14%
Day 9
partly-cloudy-day
Nice
13°C16%
Day 10
partly-cloudy-day
Nice
13°C18%
Day 11
partly-cloudy-day
Nice
13°C19%
Day 12
partly-cloudy-day
Nice
13°C19%
Day 13
partly-cloudy-day
Nice
13°C17%
Day 14
partly-cloudy-day
Nice
12°C18%
Day 15
partly-cloudy-day
Nice
12°C20%
Day 16
partly-cloudy-day
Nice
12°C19%
Day 17
cloudy
Cloudy
11°C21%
Day 18
cloudy
Cloudy
11°C24%
Day 19
cloudy
Cloudy
11°C23%
Day 20
partly-cloudy-day
Nice
11°C20%
Day 21
partly-cloudy-day
Nice
11°C20%
Day 22
partly-cloudy-day
Nice
11°C19%
Day 23
partly-cloudy-day
Nice
11°C20%
Day 24
partly-cloudy-day
Nice
11°C16%
Day 25
partly-cloudy-day
Nice
11°C13%
Day 26
partly-cloudy-day
Nice
11°C14%
Day 27
partly-cloudy-day
Nice
11°C16%
Day 28
partly-cloudy-day
Nice
11°C18%
Day 29
cloudy
Cloudy
11°C21%
Day 30
cloudy
Cloudy
11°C25%
Day 31
cloudy
Cloudy
11°C23%

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

0

slots per day

Peak

Feb

Low

Jul

Monthly Traffic Distribution

44
Jan
48
Feb
46
Mar
35
Apr
36
May
24
Jun
21
Jul
36
Aug
36
Sep
36
Oct
36
Nov
36
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 December a Good Time to Visit Nagasaki?

👌Decent conditions for most activities
Short Answer

Storm season alert for Nagasaki in December: beyond the 12°C, 19% 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

Health precautions needed

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

Shoulder season - balanced conditions

75% of peak - good value with moderate crowds

Good For

  • 👨‍👩‍👧‍👦
    Families with children

    Comfortable 12.1°C temperatures and low 19% rain risk

  • 🏛️
    Cultural tourists

    Comfortable conditions for exploring museums and sites

  • 💑
    Honeymoon couples

    Wedding score 82/100 with romantic weather conditions

  • 💼
    Business travelers

    Climate-controlled meetings unaffected by weather

  • 🎯
    Adventure seekers

    1.03m waves - good for surfing and water sports

Who Should Avoid

  • 💼
    Business travelers

    Storm season may cause flight disruptions

Related Guides

Best Time to VisitWhen to AvoidNagasaki Overview
930 observations30-year historical data
Confidence: 99%

"According to 30YearWeather's analysis of 30 years of NASA POWER satellite data,Nagasaki in December averages 12°C with 19% precipitation probability."

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

Frequently Asked Questions: Nagasaki in December

What are the temperatures in Nagasaki in December?

Daytime highs average 12°C, nights drop to 8°C. Temperatures remain fairly consistent.

How many rainy days in Nagasaki in December?

Expect around 0 days with measurable rainfall. Rain is unlikely to disrupt plans.

What to wear in Nagasaki in December?

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

Is December peak season in Nagasaki?

This is shoulder season—moderate prices and manageable crowds.