May 9 is generally a great time to visit Tokyo. While there is a slight chance of rain (31%), showers are usually brief. Expect comfortable 21°C weather. It's a lively time to explore Tokyo, with most attractions operating at full capacity.
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Essential Travel Info for Tokyo
Currency
JPY
¥ Japanese yen
Language
Japanese
Driving
Left side
Connect
Getting a SIM card in Japan requires jum...
Safety
Very High Safety
GPI: 1.336
Tokyo Weather Forecast for May 9
"Mild & Comfortable. Expect average highs of 21.1°C. 31% chance of rain."
What to Wear in Tokyo in May
Based on historical data for May 9, Tokyo typically experiences temperatures between 12.7°C and 21.1°C. We recommend packing light jacket, long pants, umbrella to stay comfortable. With a 31% chance of rain, keeping a raincoat or umbrella handy is a smart move.
Complete Packing Guide
Weekly breakdown & essential items for Tokyo
Smart Suitcase
- Light Jacket
- Long Pants
- Umbrella
Average High
21.1°C
Daytime Peak
Average Low
12.7°C
Nighttime Low
Feels Like
21.3°C
☀️ Feels accurate
Rain Chance
31%
Avg 2.7mm if it rains
Cloud Cover
69%
Overcast
Pressure
1012.7 hPa
Medium volatility
Tokyo Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
🎯 This date historically delivers consistent weather 81% of the time. Safe to plan outdoor activities with confidence.
Sun Exposure
UV Index & Safety Guide
Protection Needed
SPF 30 recommended
04:00 - 09:30
16:00 - 18:00
Type I-II
🔴 17 min to burn
Type III-IV
🟡 26 min to burn
Type V-VI
🟢 43 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
16.1°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
63/100 pressure index
Health Advisory
Required
1 vaccine • View Details →
Landing Slots
~613
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Tokyo
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
04:43
☀️ Noon
11:39
🌇 Sunset
18:34
⏱️ Daylight
13h 51m
Wind Speed
23.4 km/h
Moderate wind
Sunshine
8.1 hrs
Direct Sun (Cloud-free)
Humidity
73%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for Tokyo
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 Tokyo
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.
Mild discomfort possible for arthritic conditions.
Moderate fish activity expected.
Unhealthy. Everyone should reduce outdoor activities.
Regional Safety Profile
Seismic Activity
Very high seismic risk. Ring of Fire territory.
Typhoon Risk
Year-round risk present
Volcanic Activity
Nearest: Mount Fuji
90.6km away
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, Tokyo on May 9 averages 21.1°C with a 31% precipitation probability. Wedding/Outdoor Event Score: 90/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Tokyo Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Better Alternatives Nearby
Consider these dates within ±7 days
May 3
21.2°C • 22% rain
Score
93
May 4
21.5°C • 22% rain
Score
93
May 5
21.5°C • 22% rain
Score
93
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
Same date (May 9) in other destinations
🌍 Explore the same date in different destinations around the world
📍 Is Tokyo Worth Visiting on May 9?
Planning a trip to Tokyo on May 9? 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 21.1°C with a 31% historical precipitation risk.
✈️ Travel Logistics: Approximately 613 landing slots available daily during this period, indicating peak tourist activity.
💉 Health Advisory: 8 vaccinations are recommended for Japan, including COVID-19.
🌊 Coastal Conditions: Water temperature averages 18.5°C (refreshing tonic). Wave conditions are generally fun waves with heights around 0.62m.
📊 Historical Extremes: The hottest May 9 recorded in the last 30 years saw temperatures hit 26.9°C in 2021, while the coldest dropped to 7°C in 2023.