Istanbul in April
The weather in April
In April, Istanbul averages daytime highs of 16° and night-time lows of 8° — cool weather by day. Expect around 48 mm of precipitation spread over about 8 wet days, with average cloud cover near 35%.
Days are 4.2° warmer than in March on average, and May is warmer again by about 5°. The sea averages 11°, too cold for most swimmers.
April scores 71/100 — good conditions for sightseeing — and ranks 7th of the twelve months for Istanbul. For the most comfortable weather, consider May, June and September instead.
Around the middle of the month the sun rises at 06:26 and sets at 19:43 local time, giving 13 h 17 min of daylight. Days lengthen by 75 minutes over the month.
Why 71/100?
How the score for April is builtBeach score this month: 25/100 (adds sea temperature and heat).
Comfort peaks for daytime highs between 18° and 25°C (64–77°F).
Festivals in Istanbul in April
- International Istanbul Film FestivalFilm festivalIstanbul
Only the month is given: the exact dates change from year to year.
Around Istanbul this month
Zeytinburnu
Türkiye's best in April
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Istanbul in April: quick answers
Is April a good time to visit Istanbul?
April scores 71/100 for Istanbul, which we rate as good. Average highs are 16°C with 8 wet days.
How warm is Istanbul in April?
Daytime highs average 16°C and night-time lows 8°C in April.
Does it rain a lot in Istanbul in April?
Istanbul receives about 48 mm of precipitation in April, falling on around 8 days.
Can you swim in Istanbul in April?
The sea averages 11°C in April, cold for most swimmers.