TurkeyThe weather in May in Istanbul
It's pleasantly warm in May in Istanbul with an average temperature of 22°C. Temperatures this month range from a low of 19°C to a high of 26°C. At night, you can expect temperatures between 13°C and 18°C.
Looking for great weather? May is a good time to be in Istanbul. The temperatures are nice, and there’s not too much rain.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in May for Istanbul, Turkey. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
Temperature records
With 31°C in 2019, Istanbul reached the highest temperature in May over the past 10 years. The lowest daytime temperature in this month was 12°C in 2022. The extreme nighttime temperatures ranged from a lowest recorded value of 7°C to a highest value of 22°C.
Water temperature
The water temperature at Istanbul is 26°C this month. Lovely temperature for a swim.
Rainfall amount
In May, there is an average of 44 mm of precipitation, spread over 8 days. The wind speed is around 3 Bft, mostly coming from the Southeast.
Daily weather in May for Istanbul
Click on any day in May to get detailed info about the usual weather on that day in Istanbul. Check out the historical temperatures and precipitation over the past 10 years on this day.
May weather comparison
| Istanbul | New York | |
|---|---|---|
| Average temperature | 22°C | 22°C |
| Max. temperature | 26°C | 28°C |
| Min. temperature | 13°C | -5°C |
| Total precipitation | 44 mm | 105 mm |
| Rainy days | 8 days | 14 days |
Start of May
The month of May starts in Istanbul with mild temps, averaging around 20°C during the day and nights around 14°C.
Mid May
By mid-May, daytime temps rise to around 24°C, with nights around 16°C. Not much precipitation expected during this period. It’s mostly dry and sunny.
End of May
By the end of May, the average daytime temperature in Istanbul is around 24°C, while nighttime temps are about 17°C. A shower might pop up, but overall, the weather will be dry and sunny.
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UV index
The UV index is a maximum of 7 this month. That's a moderate to high value on the intensity scale of 1 to 11. Unprotected skin can burn within 15-25 minutes.
Check out the climate of Istanbul for all months and discover the best travel time
Curious about the weather in other parts of Turkey? Check out the climate and weather for spots like Antalya, Bodrum, Belek, or explore other destinations in Turkey.
Temperature charts
These charts show the average temperatures in May in Istanbul, Turkey. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in May in Istanbul
Temperature in May in Istanbul over the years
Precipitation charts
These charts show the average amount of precipitation in May in Istanbul, Turkey. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Daily Precipitation in May in Istanbul
Total precipitation in May in Istanbul over the years
Daily UV index in May in Istanbul
This chart shows the average daily UV index in May in Istanbul, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Weather experiences in May in Istanbul
The weather in May in Istanbul is rated an average of 4,5 out of 5 stars by 2 visitors. Have you been to Istanbul? Share your weather experience to help other visitors.
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We, me and my daughter were lucky. Sunshine every day. And enjoyed in Istanbul . I want to go again next year with God's will .— This text is automatically translated to English
Been 8 days 1 day constant rain and cold, 1 day heavily cloudy , the rest light to cloudless and in the middle of the day very warm 26 degrees. Breeze in the morning and evening and at night it cooled down to 16 degrees.— This text is automatically translated to English
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Average weather in Istanbul by month
Click on a month below to see detailed weather info for Istanbul. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.