Temperatures Precipitation Sun/ Daylight Humidity Graphs Map Comparisons Forecast Hotels January February March April May June July August September October November December Weather in May in Istanbul

• The average sea tempeature is 14 °C (57.2 °F).
• The average temperature in Istanbul in May is very mild at 16.5 °C (61.7 °F).
• Afternoons can be warm with average high temperatures reaching 21 °C (69.8 °F).
• Overnight temperatures are generally quite mild with an average low of 12 °C (53.6 °F).
• The average daily temperature variation/ range in May is 9 °C (16.2 °F).
• The weather in May is somewhat dry with periodic rain. Just 78mm (3.1in) of liquid precipitates across on average 6 days.
• In May the blue above Istanbul is quite sunny having on balance a respectable 8:36 of radiant solar radiation per day.
• The shortest day is 13:56 long and the longest day is 14:53 long with an average length of 14:27.
• There are approximately 5:40 per day when bright sunshine is absent due to cloud, haze or the sun being too low on the horizon to register.
• It is sunny approximately 60.3% of daylight hours and cloudy 39.7% of daylight hours.

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Weather Trend Graph for May in Istanbul, Turkey

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