Weather in Istanbul in October
As an Amazon Associate we earn from qualifying purchases. We also earn commission from other retail partners. Links below are affiliate links.
Book now, pay at pickup — compare Hertz, Avis, Budget, Sixt and 800+ rental companies for October in Istanbul.
Compare car hire prices → Affiliate link — we earn a commission at no extra cost to youOctober in Istanbul is pleasantly mild, with average highs of 20.9°C and lows of 14.7°C. It is moderately rainy (6 rainy days), with roughly 8.5 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 October
Search flights to Istanbul
Compare 100+ airlines for October — 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 October
- Light layers
- Sunscreen
- T-shirts and light trousers or shorts
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 October a good time to visit Istanbul?
October rates 10/10 for visiting Istanbul — excellent time to visit. Expect average highs of 20.9°C, 47.5mm of rain across the month and about 8.5 hours of daily sunshine.
What is the temperature in Istanbul in October?
In October, Istanbul has average highs of 20.9°C (69.6°F) and average lows of 14.7°C (58.5°F).
Does it rain in Istanbul in October?
Not much. October averages just 47.5mm of rain in Istanbul — the odd shower is possible but most days stay dry.
What should I wear in Istanbul in October?
For Istanbul in October (20.9°C highs / 14.7°C lows), pack light layers plus sunscreen, t-shirts and light trousers or shorts.
More essentials for Istanbul in October
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.
Check Price →Last updated:
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.