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Sea Temperature in Istanbul in April

Complete information on the sea temperature range in the Sea of Marmara in Istanbul in April. Historical daily data. Climate details for April. Tips on swimming conditions and beach relaxation in Istanbul. We find every spot where you can swim and tell you what the water temperature is there today and throughout the year.

Water Temperature Range in Istanbul in April

7°C

MINIMUN

11°C

AVERAGE

15°C

MAXIMUM

Historical Data of Water Temperature in April in Istanbul

Water Temperature Chart for Sea of Marmara in Istanbul in April

Sea Temperature Table in Istanbul in April Over the Past Years

Day202420232022Average
Apr 19°C10°C8°C9.8°C
Apr 210°C10°C8°C10.0°C
Apr 310°C10°C8°C10.0°C
Apr 410°C10°C8°C10.0°C
Apr 510°C10°C9°C10.5°C
Apr 610°C10°C9°C10.5°C
Apr 711°C10°C9°C10.8°C
Apr 811°C10°C9°C10.8°C
Apr 910°C10°C9°C10.3°C
Apr 1010°C10°C10°C10.5°C
Apr 1110°C10°C10°C10.8°C
Apr 1210°C10°C10°C10.8°C
Apr 1310°C11°C10°C11.0°C
Apr 1411°C11°C11°C11.5°C
Apr 1511°C11°C11°C11.8°C
Apr 1611°C11°C11°C11.8°C
Apr 1711°C11°C11°C11.8°C
Apr 1811°C11°C12°C12.0°C
Apr 1912°C11°C12°C12.5°C
Apr 2011°C12°C12°C12.3°C
Apr 2111°C12°C12°C12.3°C
Apr 2211°C12°C12°C12.3°C
Apr 2312°C11°C13°C12.5°C
Apr 2412°C11°C13°C12.5°C
Apr 2512°C12°C13°C12.8°C
Apr 2612°C12°C13°C12.8°C
Apr 2712°C12°C14°C13.0°C
Apr 2813°C12°C14°C13.3°C
Apr 2913°C12°C14°C13.3°C
Istanbul Province, TurkeyIstanbul Province, TurkeyIstanbul Province, Turkey

Istanbul Climate and Swimming Opportunities in April

17°C

Average Day Air Temperature

8°C

Average Night Air Temperature

42 mm

Precipitation Amount per Month

9 days

Number of Rainy Days

13 hrs

Daylight
per Day

8 hrs

Sunshine
per Day

10 km/h

Average Wind Speed

75%

Average
humidity

Istanbul lies within the Istanbul Province in Turkey. The average daytime temperature in Istanbul in April is 17°C (63°F), while the nighttime average is 8°C (46°F). There are typically nine rainy days during the month, with a total precipitation of 42 mm (1.7 inches). The daylight duration in April in Istanbul is 13 hours, with an average of 8 hours of sunshine per day. The average wind speed in April is 10 km/h (6 mph), and the humidity level is around 75%.

The water temperature in Istanbul in April ranges from 9°C to 13°C (48°F to 55°F). At the beginning of the month, the average temperature is around 10°C (50°F), shifting to 11°C (52°F) by mid-April and reaching 13°C (55°F) in the last ten days. Overall, the average sea temperature in Istanbul for April is 11°C (52°F). Ideal conditions for a refreshing swim, though some may still find it a bit cool.

Frequently Asked Questions About Water Temperatures in April in Istanbul

What is the sea temperature in Istanbul in April?

The water temperature in the Sea of Marmara in Istanbul in April ranges from 9°C to 13°C (48°F to 55°F).

Is it possible to swim in the Sea of Marmara in Istanbul in April?

The average sea temperature in Istanbul in April is 11°C (52°F), and the air temperature is 17°C (63°F), so ideal conditions for a refreshing swim, though some may still find it a bit cool.