30YearWeather
Istanbul, May 19
Istanbul street view during May
Historical Weather Analysis

Istanbul Weather on May 19 — Best Time to Visit?

Based on 30 years of historical data, we have the answer.

clear-day

21.8°C

High

13.9°C

Low

16%

Rain

☀️ Feels like 22.1°C

partly-cloudy-day
YES, GOOD CHOICE
Holiday

May 19 is generally a great time to visit Istanbul. While there is a slight chance of rain (16%), showers are usually brief. Expect comfortable 22°C weather. Istanbul is seeing high visitor numbers, so iconic spots may be busier than usual. Note: May 19 is Atatürk Commemoration & Youth Day in Istanbul, so expect special events, closures, and festive atmosphere.

Currency

TRY

Turkish lira

Language

Turkish

Driving

Right side

Connect

For general information on SIM cards, Wi...

Safety

Travel Precautions

GPI: 2.785

Istanbul Weather Forecast for May 19

"Mild & Comfortable. Expect average highs of 21.8°C. 16% chance of rain."

What to Wear in Istanbul in May

Based on historical data for May 19, Istanbul typically experiences temperatures between 13.9°C and 21.8°C. We recommend packing light jacket, long pants to stay comfortable. Trends suggest it will stay mostly dry (16% rain probability), but checking the forecast before heading out is always wise.

Complete Packing Guide

Weekly breakdown & essential items for Istanbul

View Guide

Smart Suitcase

  • Light Jacket
  • Long Pants

Average High

extreme-hot

21.8°C

Daytime Peak

Average Low

extreme-cold

13.9°C

Nighttime Low

Feels Like

partly-cloudy-day

22.1°C

☀️ Feels accurate

Rain Chance

rain

16%

Avg 0.7mm if it rains

Cloud Cover

cloudy

47%

Overcast

Pressure

pressure

1014 hPa

Low volatility

Istanbul Weather Conditions & UV Index

Weather Confidence

30-year variance analysis

88%Highly Predictable

Based on 10 years of data

Temperature
±3.8°CModerate
Precipitation
8-24%Predictable

🎯 This date historically delivers consistent weather 88% of the time. Safe to plan outdoor activities with confidence.

Sun Exposure

UV Index & Safety Guide

5.7Moderate
036811+

Protection Needed

SPF 30 recommended

Safe Sun Windows
Morning

05:00 - 10:00

Afternoon

16:00 - 20:00

Time to Sunburn

Type I-II

🔴 14 min to burn

Type III-IV

🟡 21 min to burn

Type V-VI

🟢 35 min to burn

UV estimate based on latitude, season & cloud cover. Actual UV may vary.

Outdoor Comfort

How pleasant is it outside?

82Excellent
TemperatureWarm
HumidityMuggy
WindBreezy

Dew Point

17°C

Noticeable

Heat Stress

Low

No heat warning

😊 Best outdoor time:
Any time during daylight hours

Marine Conditions

Water Temp
15.4°C
🥶 Polar Plunge
Avg daily surface temperature
Surf Conditions
0.22m
🌊 Lake-like
Max daily wave height
Advisories

Marine Life

No special warnings. Enjoy the swim!

Swim Index

❄️ Cold Water Hazard

Travel & Logistics Insights

Local Calendar

Holiday

Atatürk Commemoration & Youth Day

Flight Traffic

Busy

60/100 pressure index

Health Advisory

Required

2 vaccines • View Details →

Landing Slots

~761

Daily arrival options (inc. codeshare)

Sunrise, Sunset & Wind in Istanbul

Daylight & Sun

Solar Elevation Cycle

🌅 Sunrise

05:44

☀️ Noon

13:01

🌇 Sunset

20:19

⏱️ Daylight

14h 35m

Golden Hour
Morning05:44 - 06:24
19:39 - 20:19Evening

Wind Speed

wind

16.8 km/h

Gentle breeze

Sunshine

clear-day

11.8 hrs

Direct Sun (Cloud-free)

Humidity

humidity

74%

Humid / Damp

Travel Intelligence

Exclusive flight analytics & health data for Istanbul

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 Istanbul

Travel Comfort Index

Real-time tourism conditions

Weather Quality

☀️ Excellent

87/100

Tourist Crowds

🟡 Busy

85/100

Price Level

💰💰💰 Expensive

85/100

Health & Wellbeing

Meteo-Health Forecast

100Score
Atmospheric Pressure1014 hPa
Volatility:Low
Migraine RiskLow

Stable conditions. Low risk of headaches.

Joint Pain RiskLow

Weather unlikely to affect joint pain.

Fishing IndexFair

Moderate fish activity expected.

Air Quality Forecast
76AQI
Moderate
PM2.5 Concentration15.7 µg/m³

Air quality is acceptable. Sensitive individuals should limit prolonged outdoor exertion.

Regional Safety Profile

Medium

Seismic Activity

Moderate seismic activity. Occasional tremors possible.

Total events (30y):83
In May (30y):2
Last in May:2010-05-15
💡 Occasional tremors possible. Know your hotel's evacuation route.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Istanbul on May 19 averages 21.8°C with a 16% precipitation probability. Wedding/Outdoor Event Score: 99/100."

— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology

Istanbul Weather History (2010–2024)

Temperature History

Loading chart...

Hall of Fame

Records from last 10 years

Hottest
2018
27.3°C
Coldest
2022
10.6°C
Rainiest
2024
2.3mm

Better Alternatives Nearby

Consider these dates within ±7 days

💡 Moving your event by a few days could significantly improve weather conditions

Compare Other Cities

Same date (May 19) in other destinations

🌍 Explore the same date in different destinations around the world

📍 Is Istanbul Worth Visiting on May 19?

Planning a trip to Istanbul on May 19? 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 21.8°C with a 16% historical precipitation risk.

🎉 Local Event: The date coincides with Atatürk Commemoration & Youth Day, which may influence local business hours and event availability.

✈️ Travel Logistics: Approximately 761 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 15.4°C (polar plunge). Wave conditions are generally lake-like with heights around 0.22m.

📊 Historical Extremes: The hottest May 19 recorded in the last 30 years saw temperatures hit 27.3°C in 2018, while the coldest dropped to 10.6°C in 2022.

Istanbul Weather FAQ