May 3 is generally a great time to visit Nagasaki. While there is a slight chance of rain (29%), showers are usually brief. Expect comfortable 21°C weather. It's a lively time to explore Nagasaki, with most attractions operating at full capacity.
View the full calendar
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 May 3
"Mild & Comfortable. Expect average highs of 20.6°C. 29% chance of rain."
What to Wear in Nagasaki in May
Based on historical data for May 3, Nagasaki typically experiences temperatures between 14.6°C and 20.6°C. We recommend packing light jacket, long pants to stay comfortable. With a 29% chance of rain, keeping a raincoat or umbrella handy is a smart move.
Complete Packing Guide
Weekly breakdown & essential items for Nagasaki
Smart Suitcase
- Light Jacket
- Long Pants
Average High
20.6°C
Daytime Peak
Average Low
14.6°C
Nighttime Low
Feels Like
20.7°C
☀️ Feels accurate
Rain Chance
29%
Avg 3.9mm if it rains
Cloud Cover
64%
Overcast
Pressure
1014.2 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 96% of the time. Safe to plan outdoor activities with confidence.
Sun Exposure
UV Index & Safety Guide
Protection Needed
SPF 30 recommended
05:00 - 10:00
16:00 - 19:00
Type I-II
🔴 15 min to burn
Type III-IV
🟡 23 min to burn
Type V-VI
🟢 38 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
16.6°C
Noticeable
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
⚠️ Mixed 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
05:33
☀️ Noon
12:18
🌇 Sunset
19:04
⏱️ Daylight
13h 30m
Wind Speed
16.8 km/h
Gentle breeze
Sunshine
8.9 hrs
Direct Sun (Cloud-free)
Humidity
78%
Humid / Damp
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.
Travel Health & Safety in Nagasaki
Travel Comfort Index
Real-time tourism conditions
Weather Quality
⛅ Good
Tourist Crowds
🟡 Busy
Price Level
💰💰💰 Expensive
Health & Wellbeing
Meteo-Health Forecast
Moderate fluctuations. Some sensitivity possible.
Weather unlikely to affect joint pain.
Moderate fish activity expected.
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 May 3 averages 20.6°C with a 29% precipitation probability. Wedding/Outdoor Event Score: 94/100."
— 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
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
Same date (May 3) in other destinations
🌍 Explore the same date in different destinations around the world
📍 Is Nagasaki Worth Visiting on May 3?
Planning a trip to Nagasaki on May 3? 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 20.6°C with a 29% 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 18.6°C (refreshing tonic). Wave conditions are generally fun waves with heights around 0.77m.
📊 Historical Extremes: The hottest May 3 recorded in the last 30 years saw temperatures hit 24.1°C in 2017, while the coldest dropped to 10.6°C in 2021.