April · Turkey
Best time to visit Istanbul in April Weather, crowds & prices
Weather in Istanbul in April
Average temperature 12°C, 70 mm of rain, about 24 days with 6+ hours of sunshine and 76% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
April score
8.2/10
Ranked #7 of 12 months
- Avg temp
- 12°C
- Rainfall
- 70 mm
- Humidity
- 76%
- Days with 6h+ sun
- 24
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
April in Istanbul scores 8.2/10 for sightseeing and cultural travel - ranked #7 of 12. Expect around 12°C, 70 mm of rain, and roughly 24 days with 6+ hours of sunshine this month.
Bosphorus ferries and storied quarters shine brightest in mild April through June.
April in Istanbul — reliably good (7th best month)
Temperatures hover around 12°C (54°F) — the kind of month where neither heat nor cold forces the schedule.
Budget for roughly 70 mm of rain this month — a flexible day or two helps — with about 24 days with 6+ hours of sunshine and 13.3 hours of daylight to work around it.
That is 8.2/10 on the same scale — 7th of 12 months, versus 9.4/10 for the best month here.
Pack layers you can shed by midday plus one warm layer for the evening, a packable rain layer.
Budget for mid-season pricing, and crowds are moderate.
Frequently asked
- What is the weather like in Istanbul in April?
- In April, Istanbul averages 12°C, 70 mm of rain, and about 24 days with 6+ hours of sunshine. Its climate-comfort score is 8.2/10.
- Is April a good time to visit Istanbul?
- April earns a 8.2/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Istanbul in April?
- Expect about 70 mm of rain in April. Average humidity is 76% and there are about 24 days with 6+ hours of sunshine.
Curated in Istanbul
Tickets & experiences
Things to do in Istanbul
Istanbul, Turkey. Live activities and tours from GetYourGuide, matched to this destination.