TR Istanbul · Spring

Istanbul weather
in April

Good window in April — July is a notch above.

Open-Meteo · 10 years · 12 months compared · 41.01°N 28.95°E
17°CMax temperature
29%Rainy days
11.6hSunshine / day

Istanbul weather in April

✅ Good
🌡️ Temperature min / max
9°C – 17°C
🌧 Rainy days
29% of days
☀️ Sunshine
11.6h per day on average
🌊 🌊 Season
Spring
⭐ ⭐ Weather score
7.2/10
📅 📅 Best month
July (9.3/10)

Should you visit Istanbul in April?

✅ Good

✅ Yes if: you want to explore the city on foot without suffering from heat.

❌ No if: you're looking for a beach destination — water and air are still cool.

🌧 Rain : ███░░░░░░░ 29%
🌡 Temperature : ████░░░░░░ 17°C
☀️ Sunshine : ████████░░ 11.6h/d

Our take: Istanbul in April: 17°C and 11.6h of sunshine. Decent, but not the peak.

Istanbul in April by trip type

What to expect in April

🎯 Istanbul Tulip Festival — millions of tulips in historic parks Spring marks the start of the good season in Istanbul. Temperatures rise (17°C) and tourists have not yet arrived en masse. Expect rain on 29% of days — a light raincoat in the bag is recommended. Not the best window, but acceptable if dates are constrained. July (9.3/10) is significantly better if possible.

All months for Istanbul

Month-by-month comparison

MonthMin °CMax °CRain %Precip mmSun h/dScore
🌦️ January4°C10°C43%3.46.4h4.1/10
🌦️ February5°C10°C35%2.58.0h4.6/10
⛅ March6°C13°C35%2.39.4h5.8/10
⛅ April9°C17°C29%1.711.6h7.2/10
🌤️ May13°C21°C30%1.912.6h7.8/10
☀️ June19°C26°C21%1.313.9h9.0/10
☀️ July21°C29°C12%0.713.7h9.3/10
☀️ August22°C30°C8%0.512.3h8.9/10
☀️ September19°C26°C23%1.511.3h8.5/10
🌤️ October14°C20°C21%1.89.4h7.5/10
⛅ November11°C16°C31%2.97.8h7.0/10
🌦️ December7°C12°C42%3.16.8h4.4/10
Ideal Fair Challenging climate ◀ Current month · Source Open-Meteo · 10 years
📊 Data source Data based on 10 years of ERA5 records via Open-Meteo, with ECMWF seasonal adjustment. In April, Istanbul averages 17°C, 29% rainy days and 11.6h of sunshine per day. Overall weather score: 7.2/10. See methodology →

April vs July (best month)

The best month is July (score 9.3/10). Difference:

FAQ — Istanbul in April

Is April a good time to visit Istanbul?
April is an acceptable time for Istanbul (score 7.2/10). Conditions are decent but not optimal — consider July (9.3/10) if possible.
What to do in Istanbul in April?
With 17°C max and 11.6h of sunshine, focus on cultural sites, museums and local gastronomy.

Find a place to stay in Istanbul

Find places to stay in Istanbul in April Search on Hotels.com

Activities and tours in Istanbul

Guided tours, skip-the-line tickets and local experiences. Browse activities on GetYourGuide

Find a flight to Istanbul

Compare flights from all airlines. Search flights

Similar destinations in April

Other top destinations in April

Compare destinations by weather

Explore or compare

📅 Live forecast — next 12 months

Real-time data with ECMWF seasonal corrections · updated daily

Try the weather app