30YearWeather
Istanbul, May 16
Istanbul street view during May
Historical Weather Analysis

Istanbul Weather on May 16 — Best Time to Visit?

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

clear-day

21.6°C

High

13.5°C

Low

16%

Rain

☀️ Feels like 21.9°C

partly-cloudy-day
YES, GOOD CHOICE

May 16 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.

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 16

"Mild & Comfortable. Expect average highs of 21.6°C. 16% chance of rain."

What to Wear in Istanbul in May

Based on historical data for May 16, Istanbul typically experiences temperatures between 13.5°C and 21.6°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

21.6°C

Daytime Peak

Average Low

extreme-cold

13.5°C

Nighttime Low

Feels Like

partly-cloudy-day

21.9°C

☀️ Feels accurate

Rain Chance

rain

16%

Avg 0.4mm if it rains

Cloud Cover

cloudy

46%

Overcast

Pressure

pressure

1014.1 hPa

Medium volatility

Istanbul Weather Conditions & UV Index

Weather Confidence

30-year variance analysis

95%Highly Predictable

Based on 10 years of data

Temperature
±2.8°CModerate
Precipitation
8-24%Predictable

🎯 This date historically delivers consistent weather 95% 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?

83Excellent
TemperatureWarm
HumidityMuggy
WindBreezy

Dew Point

16.5°C

Noticeable

Heat Stress

Low

No heat warning

😊 Best outdoor time:
Any time during daylight hours

Marine Conditions

Water Temp
14.7°C
🥶 Polar Plunge
Avg daily surface temperature
Surf Conditions
0.25m
🌊 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

Business Day

Standard hours in Turkey

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

05:47

☀️ Noon

13:01

🌇 Sunset

20:16

⏱️ Daylight

14h 29m

Golden Hour
Morning05:47 - 06:26
19:37 - 20:16Evening

Wind Speed

wind

17.6 km/h

Gentle breeze

Sunshine

clear-day

12.0 hrs

Direct Sun (Cloud-free)

Humidity

humidity

73%

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

85Score
Atmospheric Pressure1014.1 hPa
Volatility:Medium
Migraine RiskMedium

Moderate fluctuations. Some sensitivity possible.

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 16 averages 21.6°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
2023
27.4°C
Coldest
2024
10.4°C
Rainiest
2021
4.5mm

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 16) in other destinations

🌍 Explore the same date in different destinations around the world

📍 Is Istanbul Worth Visiting on May 16?

Planning a trip to Istanbul on May 16? 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 21.6°C with a 16% historical precipitation risk.

✈️ 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 14.7°C (polar plunge). Wave conditions are generally lake-like with heights around 0.25m.

📊 Historical Extremes: The hottest May 16 recorded in the last 30 years saw temperatures hit 27.4°C in 2023, while the coldest dropped to 10.4°C in 2024.

Istanbul Weather FAQ