November 21 is generally a great time to visit Nagasaki. While there is a slight chance of rain (20%), showers are usually brief. Expect comfortable 16°C weather. Nagasaki is seeing high visitor numbers, so iconic spots may be busier than usual.
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Essential Travel Info for Nagasaki
Currency
JPY
¥ Japanese yen
Language
Japanese
Driving
Left side
Safety
Very High Safety
GPI: 1.336
Nagasaki Weather Forecast for November 21
"Mild & Comfortable. Expect average highs of 16.3°C. 20% chance of rain."
What to Wear in Nagasaki in November
Based on historical data for November 21, Nagasaki typically experiences temperatures between 11.7°C and 16.3°C. We recommend packing light jacket, long pants to stay comfortable. Trends suggest it will stay mostly dry (20% rain probability), but checking the forecast before heading out is always wise.
Complete Packing Guide
Weekly breakdown & essential items for Nagasaki
Smart Suitcase
- Light Jacket
- Long Pants
Average High
16.3°C
Daytime Peak
Average Low
11.7°C
Nighttime Low
Feels Like
16.3°C
🌤️ Feels accurate
Rain Chance
20%
Avg 1.4mm if it rains
Cloud Cover
51%
Overcast
Pressure
1021.3 hPa
Medium volatility
Nagasaki Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
🎯 This date historically delivers consistent weather 99% of the time. Safe to plan outdoor activities with confidence.
Sun Exposure
UV Index & Safety Guide
Protection Needed
SPF 15 for extended outdoor time
Type I-II
🔴 200 min to burn
Type III-IV
🟡 300 min to burn
Type V-VI
🟢 500 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
10.6°C
Pleasant
Heat Stress
Low
No heat warning
😊 Best outdoor time:
Any time during daylight hours
Marine Conditions
Marine Life
No special warnings. Enjoy the swim!
Swim Index
✅ Excellent Swimming Conditions
Travel & Logistics Insights
Local Calendar
Business Day
Standard hours in Japan
Flight Traffic
Busy
75/100 pressure index
Health Advisory
Required
1 vaccine • View Details →
Landing Slots
~36
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Nagasaki
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
06:56
☀️ Noon
12:07
🌇 Sunset
17:18
⏱️ Daylight
10h 21m
Wind Speed
19.1 km/h
Gentle breeze
Sunshine
7.3 hrs
Direct Sun (Cloud-free)
Humidity
69%
Slightly humid
Travel Intelligence
Exclusive flight analytics & health data for Nagasaki
Smart Flight Estimator
Airport-to-Airport Logistics
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Travel Health & Safety in Nagasaki
Travel Comfort Index
Real-time tourism conditions
Weather Quality
☀️ Excellent
Tourist Crowds
🟢 Moderate
Price Level
💰💰 Moderate
Health & Wellbeing
Meteo-Health Forecast
Moderate fluctuations. Some sensitivity possible.
Weather unlikely to affect joint pain.
High pressure may reduce activity.
Air quality is excellent. Perfect for outdoor activities.
Regional Safety Profile
Seismic Activity
Moderate seismic activity. Occasional tremors possible.
Typhoon Risk
Year-round risk present
Travel Alert: This region has elevated natural risks. We recommend registering with your embassy and keeping emergency numbers handy.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Nagasaki on November 21 averages 16.3°C with a 20% precipitation probability. Wedding/Outdoor Event Score: 89/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Nagasaki Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Better Alternatives Nearby
Consider these dates within ±7 days
November 14
17.8°C • 17% rain
Score
93
November 15
17.6°C • 16% rain
Score
93
November 16
17.4°C • 19% rain
Score
93
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
Same date (November 21) in other destinations
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📍 Is Nagasaki Worth Visiting on November 21?
Planning a trip to Nagasaki on November 21? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year is characterized by pleasant mild weather averaging 16.3°C with a 20% historical precipitation risk.
✈️ Travel Logistics: Approximately 36 landing slots available daily during this period, indicating manageable crowd levels.
💉 Health Advisory: 8 vaccinations are recommended for Japan, including COVID-19.
🌊 Coastal Conditions: Water temperature averages 21.9°C (swimming pool). Wave conditions are generally fun waves with heights around 0.7m.
📊 Historical Extremes: The hottest November 21 recorded in the last 30 years saw temperatures hit 19.9°C in 2016, while the coldest dropped to 7.2°C in 2017.