Istanbul Klima and Average Vær
Klima of Istanbul: average temperatures, rainfall and seasons month by month.
Klima in Istanbul month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Måned | Avg high | Avg low | Regnfall | Rating |
|---|---|---|---|---|
| januar | 11° | 5° | 110 mm | ★★★☆☆ |
| februar | 11° | 5° | 71 mm | ★★★☆☆ |
| mars | 14° | 6° | 81 mm | ★★★☆☆ |
| april | 18° | 9° | 56 mm | ★★★★☆ |
| mai | 22° | 13° | 67 mm | ★★★★☆ |
| juni | 29° | 19° | 7 mm | ★★★★★ |
| juli | 31° | 21° | 23 mm | ★★★★★ |
| august | 30° | 22° | 12 mm | ★★★★★ |
| september | 26° | 18° | 45 mm | ★★★★☆ |
| oktober | 21° | 14° | 65 mm | ★★★★☆ |
| november | 17° | 11° | 128 mm | ★★★☆☆ |
| desember | 12° | 7° | 103 mm | ★★★☆☆ |
Klima type: Mediterranean. Kilde: Open-Meteo archive (ERA5).
Recent extremes in Istanbul
Høyest and lowest readings observed in the last 3 years of reanalysis data - not all-time records.
How Istanbul compares med 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 |
Klima by attraction in Istanbul
2 attractions mapped in this atlas
Klima by airport in Istanbul
1 airports mapped in this atlas
Beste tid å besøke Istanbul
Go in juni, juli and august. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: januar, februar and desember - expect the least comfortable mix of heat, cold or rain.
What this means for Istanbul
Today is slightly warmer than average for oktober. The forecast high of 23°C is 1.8°C above the 21°C typical for this month.
A 90% chance means rain is expected over most of the area. Plan indoor alternatives.
Wet roads are likely; braking distances roughly double in heavy rain.
Northern Hemisphere, so peak summer falls in juni til august.
The gap between the warmest and coldest month averages 19°C.
What til pack, what til skip
- Normal seasonal clothing - nothing unusual is needed this week
- If your dates are flexible, avoid januar, februar and desember - historically the least comfortable months here.
Sammendrag
Istanbul is a city in Tyrkia. Istanbul is known for Hagia Sophia, bazaars and the Bosphorus. Befolkningen er rundt 15.6 million.
Akkurat nå er det 20°C (68°F) in Istanbul med overskyet. Det føles som 19°C. I dag varierer temperaturen mellom 16°C til 23°C. Sannsynligheten for nedbør er 90%. Sightseeing conditions score 7.1/10 - gode forhold.
Beste tidspunkt å besøke Istanbul is juni, juli and august. Klimaet er Mediterranean. januar, februar and desember tend til be the least comfortable months. juli is the warmest month med average highs near 31°C, while februar is the coldest med lows near 5°C.
The closest major airport is Istanbul Airport (IST), about 35 km away. Nearby highlights include Blue Mosque and Hagia Sophia.
Kort sagt. Today is slightly warmer than average for oktober. The forecast high of 23°C is 1.8°C above the 21°C typical for this month. The best window til be outside is roughly 1 PM til 4 PM, when temperature, rain chance and wind line up best. fishing is the strongest bet in Istanbul today at 8.9/10. Wet roads are likely; braking distances roughly double in heavy rain.
Compiled from this page's own data: atlas facts plus live Open-Meteo readings.
Quick facts about Istanbul
Vær map for Istanbul
Animated model layers. Pick a layer til load it.
Animated layers by Vindy. For pin-level detail and nearby places, see the interactive map below.
Explore Istanbul
Every topic we hold for this place, and the same topic for the places around it.
Klima for related places
Frequently asked questions
Where is Istanbul?
Istanbul is a city in Tyrkia. Its coordinates are 41.0082, 28.9784. It lies in Europa.
What is the weather like in Istanbul akkurat nå?
It is currently 20°C (68°F) med overskyet. Luftfuktighet is 69% and wind is 18 km/h.
When is the best time til visit Istanbul?
juni, juli and august offer the most comfortable conditions in Istanbul, which has a Mediterranean climate. januar, februar and desember 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 8:19 PM.
How many people live in Istanbul?
Istanbul has a population of approximately 15.6 million.
What is the nearest airport til Istanbul?
The closest airports are Istanbul Airport (IST), 35 km away.
What are the top things til 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. |
|---|---|
| Værmelding and observations | Open-Meteo (ECMWF and national models). |
| Luftkvalitet and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Klima 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 oktober 23, 2026 at 8:19 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
