Historical data suggests significant rain risk (71%) on July 17. If you seek sun, consider a different date. Bring rain gear! As it's peak season for Nikko, we recommend booking your stay well in advance to secure the best rates.
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Essential Travel Info for Nikko
Currency
JPY
¥ Japanese yen
Language
Japanese
Driving
Left side
Safety
Very High Safety
GPI: 1.336
Nikko Weather Forecast for July 17
"Rainy & Overcast. Expect average highs of 26.2°C. 71% chance of rain."
What to Wear in Nikko in July
Based on historical data for July 17, Nikko typically experiences temperatures between 19.8°C and 26.2°C. We recommend packing t-shirt, light clothing, umbrella to stay comfortable. With a 71% chance of rain, keeping a raincoat or umbrella handy is a smart move.
Complete Packing Guide
Weekly breakdown & essential items for Nikko
Smart Suitcase
- T-Shirt
- Light Clothing
- Umbrella
Average High
26.2°C
Daytime Peak
Average Low
19.8°C
Nighttime Low
Feels Like
27.6°C
☀️ Minor difference
Rain Chance
71%
Avg 10.8mm if it rains
Cloud Cover
84%
Moderate rain
Pressure
1010.7 hPa
Medium volatility
Nikko Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
🎯 This date historically delivers consistent weather 95% 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
🔴 21 min to burn
Type III-IV
🟡 32 min to burn
Type V-VI
🟢 53 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
24°C
Humid/Sticky
Heat Stress
Low
No heat warning
😐 Best outdoor time:
Morning hours (before 11 AM)
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
~958
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Nikko
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
04:36
☀️ Noon
11:48
🌇 Sunset
19:00
⏱️ Daylight
14h 24m
Wind Speed
8.2 km/h
Light breeze
Sunshine
7.2 hrs
Direct Sun (Cloud-free)
Humidity
88%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for Nikko
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 Nikko
Travel Comfort Index
Real-time tourism conditions
Weather Quality
🌧️ Variable
Tourist Crowds
🔴 Very Busy
Price Level
💰💰💰 Expensive
Health & Wellbeing
Meteo-Health Forecast
Moderate fluctuations. Some sensitivity possible.
Mild discomfort possible for arthritic conditions.
Moderate fish activity expected.
Air quality is excellent. Perfect for outdoor activities.
Regional Safety Profile
Seismic Activity
Very high seismic risk. Ring of Fire territory.
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, Nikko on July 17 averages 26.2°C with a 71% precipitation probability. Wedding/Outdoor Event Score: 58/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Nikko Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Better Alternatives Nearby
Consider these dates within ±7 days
July 21
27°C • 57% rain
Score
72
July 22
27.2°C • 57% rain
Score
72
July 20
26.8°C • 56% rain
Score
71
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
Same date (July 17) in other destinations
🌍 Explore the same date in different destinations around the world
📍 Is Nikko Worth Visiting on July 17?
Planning a trip to Nikko on July 17? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year typically offers vibrant summer conditions averaging 26.2°C with a 71% historical precipitation risk.
✈️ Travel Logistics: Approximately 958 landing slots available daily during this period, indicating peak tourist activity.
💉 Health Advisory: 8 vaccinations are recommended for Japan, including COVID-19.
📊 Historical Extremes: The hottest July 17 recorded in the last 30 years saw temperatures hit 31.5°C in 2023, while the coldest dropped to 16.7°C in 2020.