Weather in Istanbul in April
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Book now, pay at pickup — compare Hertz, Avis, Budget, Sixt and 800+ rental companies for April in Istanbul.
Compare car hire prices → Affiliate link — we earn a commission at no extra cost to youIn April, Istanbul sees average highs of 15.5°C (59.9°F) and lows of 8.2°C. Conditions are cool and moderately rainy (12 rainy days), with roughly 9.3 hours of sunshine a day. It is one of the best months of the year to visit. For the complete picture, see the best time to visit Istanbul — every month compared. Once you know when to go, find your Istanbul packing list at 247PackingList.
Get ready for Istanbul in April
Search flights to Istanbul
Compare 100+ airlines for April — one search, best price.
Search Flights →Travel clothing layers
Pack layers — temperatures can vary significantly between day and night.
Check Price →What to pack for Istanbul in April
- Warm layers
- Light jacket or fleece
- Comfortable walking shoes
- Light waterproof layer
Compare all months in Istanbul
| Month | High | Rain | Rating |
|---|---|---|---|
| January | 10.0°C | 94.4mm | 10/10 |
| February | 10.2°C | 82.4mm | 10/10 |
| March | 11.0°C | 82.1mm | 10/10 |
| April | 15.5°C | 78.5mm | 10/10 |
| May | 21.0°C | 55.5mm | 10/10 |
| June | 25.1°C | 58.4mm | 10/10 |
| July | 29.4°C | 20.1mm | 10/10 |
| August | 30.0°C | 16.1mm | 10/10 |
| September | 25.9°C | 40.8mm | 10/10 |
| October | 20.9°C | 47.5mm | 10/10 |
| November | 16.6°C | 103.4mm | 9/10 |
| December | 12.9°C | 68.6mm | 10/10 |
Full month-by-month guide: best time to visit Istanbul →
For facts about Turkey — currency, language and dialling code — see our Turkey country guide at 247CountryInfo. Travellers also find it useful to keep a Istanbul travel guide to hand. Check clothing sizes in Turkey before you shop.
Frequently Asked Questions
Is April a good time to visit Istanbul?
April rates 10/10 for visiting Istanbul — excellent time to visit. Expect average highs of 15.5°C, 78.5mm of rain across the month and about 9.3 hours of daily sunshine.
What is the temperature in Istanbul in April?
In April, Istanbul has average highs of 15.5°C (59.9°F) and average lows of 8.2°C (46.8°F).
Does it rain in Istanbul in April?
Some rain is likely. Istanbul averages 78.5mm across about 12 rainy days in April, so a light waterproof layer is worth packing.
What should I wear in Istanbul in April?
For Istanbul in April (15.5°C highs / 8.2°C lows), pack warm layers plus light jacket or fleece, comfortable walking shoes, light waterproof layer.
More essentials for Istanbul in April
Packing cubes
Keep the bag organised whatever the weather — compression cubes for every size.
Check Price →Travel first aid kit
Compact TSA-friendly kit for peace of mind wherever you travel.
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Climate data sourced from Open-Meteo (open source, open data licence). Monthly averages calculated from 2020–2023 historical data. Weather can be unpredictable — always check a live forecast before travelling.