June 21 sees frequent showers in Nagoya. Historical data shows a 45% chance of rain, so pack accordingly. Temperatures average 27°C. Expect a bustling atmosphere in Nagoya right now—this is when the city truly comes alive with visitors.
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Essential Travel Info for Nagoya
Currency
JPY
¥ Japanese yen
Language
Japanese
Driving
Left side
Safety
Very High Safety
GPI: 1.336
Nagoya Weather Forecast for June 21
"Warm & Sunny. Expect average highs of 26.8°C. 45% chance of rain."
What to Wear in Nagoya in June
Based on historical data for June 21, Nagoya typically experiences temperatures between 19.2°C and 26.8°C. We recommend packing t-shirt, light clothing, umbrella to stay comfortable. With a 45% chance of rain, keeping a raincoat or umbrella handy is a smart move.
Complete Packing Guide
Weekly breakdown & essential items for Nagoya
Smart Suitcase
- T-Shirt
- Light Clothing
- Umbrella
Average High
26.8°C
Daytime Peak
Average Low
19.2°C
Nighttime Low
Feels Like
28.1°C
🔥 Minor difference
Rain Chance
45%
Avg 7.3mm if it rains
Cloud Cover
82%
Overcast
Pressure
1007.9 hPa
Low volatility
Nagoya Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
🎯 This date historically delivers consistent weather 94% of the time. Safe to plan outdoor activities with confidence.
Sun Exposure
UV Index & Safety Guide
Protection Needed
SPF 30 recommended
04:00 - 10:00
16:00 - 19:00
Type I-II
🔴 19 min to burn
Type III-IV
🟡 29 min to burn
Type V-VI
🟢 48 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
23.1°C
Humid/Sticky
Heat Stress
Low
No heat warning
😐 Best outdoor time:
Morning hours (before 11 AM)
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
High
93/100 pressure index
Health Advisory
Required
1 vaccine • View Details →
Landing Slots
~143
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Nagoya
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
04:39
☀️ Noon
11:55
🌇 Sunset
19:11
⏱️ Daylight
14h 31m
Wind Speed
14.2 km/h
Gentle breeze
Sunshine
7.7 hrs
Direct Sun (Cloud-free)
Humidity
80%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for Nagoya
Smart Flight Estimator
Airport-to-Airport Logistics
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Travel Health & Safety in Nagoya
Travel Comfort Index
Real-time tourism conditions
Weather Quality
⛅ Good
Tourist Crowds
🔴 Very Busy
Price Level
💰💰💰 Expensive
Health & Wellbeing
Meteo-Health Forecast
Stable conditions. Low risk of headaches.
Mild discomfort possible for arthritic conditions.
Moderate fish activity expected.
Air quality is acceptable. Sensitive individuals should limit prolonged outdoor exertion.
Regional Safety Profile
Seismic Activity
Active seismic zone. Multiple earthquakes per year.
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, Nagoya on June 21 averages 26.8°C with a 45% precipitation probability. Wedding/Outdoor Event Score: 80/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Nagoya Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Better Alternatives Nearby
Consider these dates within ±7 days
June 15
26.4°C • 34% rain
Score
89
June 14
26.1°C • 38% rain
Score
88
June 18
27°C • 38% rain
Score
88
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
Same date (June 21) in other destinations
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📍 Is Nagoya Worth Visiting on June 21?
Planning a trip to Nagoya on June 21? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year typically offers vibrant summer conditions averaging 26.8°C with a 45% historical precipitation risk.
✈️ Travel Logistics: Approximately 143 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 24.2°C (swimming pool). Wave conditions are generally lake-like with heights around 0.38m.
📊 Historical Extremes: The hottest June 21 recorded in the last 30 years saw temperatures hit 32.8°C in 2025, while the coldest dropped to 15°C in 2021.