Istanbul 天気 予報
Istanbul weather: 16°C, 曇り. 時間別 forecast, 14-day outlook, UV, air quality and the best timeからvisit.
Istanbul weather in 9月
A good monthからvisit Istanbul.
9月 runs 6°C warmer than the annual average in Istanbul.
天気 map for Istanbul
Animated model layers. Pick a layerからload it.
Animated layers by 風y. For pin-level detail and nearby places, see the interactive map below.
気候 in Istanbul month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| 月 | Avg high | Avg low | 雨fall | Rating |
|---|---|---|---|---|
| 1月 | 11° | 5° | 110 mm | ★★★☆☆ |
| 2月 | 11° | 5° | 71 mm | ★★★☆☆ |
| 3月 | 14° | 6° | 81 mm | ★★★☆☆ |
| 4月 | 18° | 9° | 56 mm | ★★★★☆ |
| 5月 | 22° | 13° | 67 mm | ★★★★☆ |
| 6月 | 29° | 19° | 7 mm | ★★★★★ |
| 7月 | 31° | 21° | 23 mm | ★★★★★ |
| 8月 | 30° | 22° | 12 mm | ★★★★★ |
| 9月 | 26° | 18° | 45 mm | ★★★★☆ |
| 10月 | 21° | 14° | 65 mm | ★★★★☆ |
| 11月 | 17° | 11° | 128 mm | ★★★☆☆ |
| 12月 | 12° | 7° | 103 mm | ★★★☆☆ |
気候 type: Mediterranean. 出典： Open-Meteo archive (ERA5).
訪問に最適な時期 Istanbul
Go in 6月, 7月 and 8月. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: 1月, 2月 and 12月 - expect the least comfortable mix of heat, cold or rain.
Whatからpack, whatからskip
- A packable rain shell - 4 of the next 7 days carry a real chance of rain
- If your dates are flexible, avoid 1月, 2月 and 12月 - historically the least comfortable months here.
How Istanbul compares、nearby places
Annual averages, and the difference against Istanbul.
| Place | Distance | Avg temp | vs here | Annual rain |
|---|---|---|---|---|
| Romania | 447 km | 14°C | 3°C cooler | 626 mm |
| Bulgaria | 505 km | 12°C | 4°C cooler | 567 mm |
| Mykonos | 506 km | 19°C | +3°C warmer | 402 mm |
| Rhodes | 513 km | 21°C | +5°C warmer | 469 mm |
| Athens International Airport | 551 km | 18°C | +2°C warmer | 487 mm |
時間帯別のIstanbul 予報を見る
Istanbul weather - more answers
Explore Istanbul
Every topic we hold for this place, and the same topic for the places around it.
天気 for related places
Frequently asked questions
Where is Istanbul?
Istanbul is a city in トルコ. Its coordinates are 41.0082, 28.9784. It lies in ヨーロッパ.
What is the weather like in Istanbul現在?
It is currently 16°C (60°F)、曇り. 湿度 is 93% and wind is 5 km/h.
When is the best timeからvisit Istanbul?
6月, 7月 and 8月 offer the most comfortable conditions in Istanbul, which has a Mediterranean climate. 1月, 2月 and 12月 are usually the hardest months for outdoor plans.
What time zone is Istanbul in?
Istanbul observes Europe/Istanbul (UTC+03:00). The local time is 12:42 PM.
How many people live in Istanbul?
Istanbul has a population of approximately 15.6 million.
What is the nearest airportからIstanbul?
The closest airports are Istanbul Airport (IST), 35 km away.
What are the top thingsからdo in Istanbul?
Popular options include Blue Mosque and Hagia Sophia.
What places are in Istanbul?
Istanbul covers 3 places in this atlas, including Blue Mosque, Hagia Sophia and Istanbul Airport.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (cities-world) - coordinates, hierarchy and facts. |
|---|---|
| 予報 and observations | Open-Meteo (ECMWF and national models). |
| 大気質 and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| 気候 averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Method | Scores, comparisons and advice on this page are computed from the inputs above. Distances are straight-line. Nothing is estimated where data is missing - the block is simply not shown. |
Last updated 10月 26, 2026 at 12:42 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
