Turkey

Istanbul weather in May

Weather in Istanbul: May


	Average day temperature:	70.1°F
	Average night temperature:	60.9°F

	Sea water temperature:	60.0°F

	Number of sunny days:	20 days
	Day length:	14.0 - 14.9 hours

	Number of rainy days:	2 days
	Precipitation totals:	1.2 in.

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14 days
forecast

Istanbul

sea water
temperature

Istanbul

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2024

2023

2022

The highest day temperature during May of 2024 was 76°F. At the same time the lowest night temperature was 50°F. Day and night temperature averages during May were 66.1°F and 57.2°F.

Show year:

2024

2023

2022

The average sea water temperature in May of 2024 was 59.0°F. The highest and lowest sea temperatures during the month were 63.5°F and 56.1°F.

Mostly all days in May are sunny but cloudy days are also possible.

Precipitation total value in Istanbul in May is 1.4 in. Other months of the year show relatively similar values.

The average wind speed value in May is 9.3 mph It makes May one of the least windy months of the year.

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in May is: 9.7.

Tolik, May 2023

Istanbul is interesting all year round! It may be too early to go here for a beach holiday in May, but you can already swim here if you are not afraid of the cold. The water is definitely +16 degrees. I personally swam. Yes, it’s cold to get in and out of the water, but you can dry out and warm up in the sun. During the day the average is about +20, at night a light jacket will not hurt. Holidays at the hotel are luxurious: few people, heated swimming pools, extensive excursion program and shopping.

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Sunniest months: