November 18 is generally a great time to visit Hiroshima. While there is a slight chance of rain (15%), showers are usually brief. Expect comfortable 15°C weather. Hiroshima is currently in its most popular travel window, meaning vibrant crowds and premium pricing.
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Essential Travel Info for Hiroshima
Currency
JPY
¥ Japanese yen
Language
Japanese
Driving
Left side
Connect
Public wireless LAN is available at publ...
Safety
Very High Safety
GPI: 1.336
Hiroshima Weather Forecast for November 18
"Mild & Comfortable. Expect average highs of 15.4°C. 15% chance of rain."
What to Wear in Hiroshima in November
Based on historical data for November 18, Hiroshima typically experiences temperatures between 7.4°C and 15.4°C. We recommend packing light jacket, long pants to stay comfortable. Trends suggest it will stay mostly dry (15% rain probability), but checking the forecast before heading out is always wise.
Complete Packing Guide
Weekly breakdown & essential items for Hiroshima
Smart Suitcase
- Light Jacket
- Long Pants
Average High
15.4°C
Daytime Peak
Average Low
7.4°C
Nighttime Low
Feels Like
15.4°C
🌤️ Feels accurate
Rain Chance
15%
Avg 1.1mm if it rains
Cloud Cover
52%
Overcast
Pressure
1020.9 hPa
Medium volatility
Hiroshima Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
🎯 This date historically delivers consistent weather 85% 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
10.8°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
⚠️ Mixed Conditions
Travel & Logistics Insights
Local Calendar
Business Day
Standard hours in Japan
Flight Traffic
High
97/100 pressure index
Health Advisory
Required
1 vaccine • View Details →
Landing Slots
~28
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Hiroshima
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
06:47
☀️ Noon
11:56
🌇 Sunset
17:06
⏱️ Daylight
10h 19m
Wind Speed
12.3 km/h
Gentle breeze
Sunshine
7.6 hrs
Direct Sun (Cloud-free)
Humidity
74%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for Hiroshima
Smart Flight Estimator
Airport-to-Airport Logistics
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Travel Health & Safety in Hiroshima
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 acceptable. Sensitive individuals should limit prolonged outdoor exertion.
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, Hiroshima on November 18 averages 15.4°C with a 15% precipitation probability. Wedding/Outdoor Event Score: 87/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Hiroshima Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Better Alternatives Nearby
Consider these dates within ±7 days
November 24
14.8°C • 14% rain
Score
99
November 25
14.8°C • 14% rain
Score
99
November 12
17.1°C • 15% rain
Score
97
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
Same date (November 18) in other destinations
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📍 Is Hiroshima Worth Visiting on November 18?
Planning a trip to Hiroshima on November 18? 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 15.4°C with a 15% historical precipitation risk.
✈️ Travel Logistics: Approximately 28 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 19.7°C (refreshing tonic). Wave conditions are generally lake-like with heights around 0.19m.
📊 Historical Extremes: The hottest November 18 recorded in the last 30 years saw temperatures hit 20.5°C in 2020, while the coldest dropped to 5.5°C in 2023.