Istanbul weather in May
Monthly temperatures, rain, humidity, what to wear and what to pack — 2024–2025 historical average
Istanbul May weather at a glance
In May, Istanbul averages 16.6°C, with typical highs of 21.4°C and lows of 12.2°C. The historical average is 11 wet days and 71% humidity.
Istanbul May temperature & humidity
Istanbul May rain & wet days
Pack a compact umbrella. Keep an indoor stop available between outdoor activities.
What to wear in Istanbul in May
T-shirts or long sleeves with one light outer layer should be comfortable. Showers are possible, so a compact umbrella is useful.
- DaytimeLong sleeves and a light jacket · average high 21.4°C
- Morning & eveningLong sleeves with a jacket or cardigan · average low 12.2°C
- FootwearComfortable walking shoes; quick-dry footwear for rainy days.
Packing essentials
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Istanbul May sunrise & sunset times
2026 May · Local time (Europe/Istanbul)
| Date | Sunrise | Sunset | Daylight |
|---|---|---|---|
| 2026-05-01 | 06:02 | 20:01 | 13h 58m |
| 2026-05-15 | 05:46 | 20:15 | 14h 29m |
| 2026-05-31 | 05:35 | 20:29 | 14h 54m |
For sunset photos, arrive before the listed sunset time. Clouds, mountains and buildings can change when the sun becomes visible or disappears.
Calculated for the city coordinates with daylight saving applied. SunCalc · tz-lookup
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Istanbul travel essentials
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Best months to visit Istanbul
Bar height shows our simple weather-comfort score, not a safety rating; colour shows temperature.
May weather by year
Daily weather in 2025
Daily high and low temperatures; blue labels show precipitation
Frequently asked questions
What is Istanbul weather like in May?
In May, Istanbul averages 16.6°C, with typical highs of 21.4°C and lows of 12.2°C. The historical average is 11 wet days and 71% humidity. Our weather-comfort rating for this month is good.
Does it rain a lot in Istanbul in May?
There are about 11 wet days in May. A compact umbrella is still useful.
What should I wear in Istanbul in May?
T-shirts or long sleeves with one light outer layer should be comfortable. Showers are possible, so a compact umbrella is useful.
What are the best months to visit Istanbul?
Recent weather data rates April, May, June, July among the more comfortable months.
Where can I check Istanbul weather in May in real time?
Check local webcams for the view right now and a local weather service for today’s forecast. Monthly temperatures here are historical averages.
What time are sunrise and sunset in Istanbul in May?
On 2026-05-15, calculated sunrise is 05:46 and sunset is 20:15 in local time (Europe/Istanbul). Times vary by date and terrain.
Istanbul weather by month
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Open-Meteo (CC BY 4.0) · 2024–2025 historical data, aggregated and rounded by this site. Not a forecast or long-term climate normal. Calculation method and limitations