June 11 is statistically one of the best days of the year in Istanbul. With minimal rain risk (12%) and pleasant highs of 26°C, it's ideal for outdoor adventures. As it's peak season for Istanbul, we recommend booking your stay well in advance to secure the best rates.
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Essential Travel Info for Istanbul
Currency
TRY
₺ Turkish lira
Language
Turkish
Driving
Right side
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Safety
Travel Precautions
GPI: 2.785
Istanbul Weather Forecast for June 11
"Warm & Sunny. Expect average highs of 25.6°C. 12% chance of rain."
What to Wear in Istanbul in June
Based on historical data for June 11, Istanbul typically experiences temperatures between 17.9°C and 25.6°C. We recommend packing t-shirt, light clothing to stay comfortable. Trends suggest it will stay mostly dry (12% rain probability), but checking the forecast before heading out is always wise.
Complete Packing Guide
Weekly breakdown & essential items for Istanbul
Smart Suitcase
- T-Shirt
- Light Clothing
Average High
25.6°C
Daytime Peak
Average Low
17.9°C
Nighttime Low
Feels Like
26.5°C
☀️ Feels accurate
Rain Chance
12%
Avg 0.5mm if it rains
Cloud Cover
32%
Overcast
Pressure
1011.9 hPa
Low volatility
Istanbul Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
🎯 This date historically delivers consistent weather 92% of the time. Safe to plan outdoor activities with confidence.
Sun Exposure
UV Index & Safety Guide
Protection Needed
SPF 30+ required, seek shade
05:00 - 10:00
16:00 - 20:00
Type I-II
🔴 11 min to burn
Type III-IV
🟡 17 min to burn
Type V-VI
🟢 28 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
20.6°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
⚠️ Mixed Conditions
Travel & Logistics Insights
Local Calendar
Business Day
Standard hours in Turkey
Flight Traffic
High
100/100 pressure index
Health Advisory
Required
2 vaccines • View Details →
Landing Slots
~1,272
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Istanbul
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
05:32
☀️ Noon
13:05
🌇 Sunset
20:37
⏱️ Daylight
15h 4m
Wind Speed
18.6 km/h
Gentle breeze
Sunshine
13.0 hrs
Direct Sun (Cloud-free)
Humidity
74%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for Istanbul
Smart Flight Estimator
Airport-to-Airport Logistics
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Travel Health & Safety in Istanbul
Travel Comfort Index
Real-time tourism conditions
Weather Quality
☀️ Excellent
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
Moderate seismic activity. Occasional tremors possible.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Istanbul on June 11 averages 25.6°C with a 12% precipitation probability. Wedding/Outdoor Event Score: 100/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Istanbul Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Compare Other Cities
Same date (June 11) in other destinations
🌍 Explore the same date in different destinations around the world
📍 Is Istanbul Worth Visiting on June 11?
Planning a trip to Istanbul on June 11? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year typically offers vibrant summer conditions averaging 25.6°C with a 12% historical precipitation risk.
✈️ Travel Logistics: Approximately 1,272 landing slots available daily during this period, indicating peak tourist activity.
💉 Health Advisory: 7 vaccinations are recommended for Turkey, including COVID-19.
🌊 Coastal Conditions: Water temperature averages 20.6°C (refreshing tonic). Wave conditions are generally lake-like with heights around 0.26m.
📊 Historical Extremes: The hottest June 11 recorded in the last 30 years saw temperatures hit 35.1°C in 2024, while the coldest dropped to 13.3°C in 2016.