City in Turkki

Istanbul Sää Ennuste

Istanbul weather: 18°C, ukkonen. Tunneittain forecast, 14-day outlook, UV, air quality and the best time ja visit.

⛈️ 18°C now🕔 11:50 PM local📅 Best: kesäkuu, heinäkuu and elokuu👥 15.6 million

Istanbul weather in heinäkuu

31°
average high · low 21°C
★★★★★
ranked #2 of 12 months

One of the best months ja visit Istanbul.

Average high31°C
Average low21°C
Mean26°C
Sadefall23 mm

heinäkuu runs 10°C warmer than the annual average in Istanbul.

Sää map for Istanbul

Animated model layers. Pick a layer ja load it.

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Animated layers by Tuuliy. For pin-level detail and nearby places, see the interactive map below.

Ilmasto in Istanbul month by month

Average high, average low and total rainfall, based on three years of reanalysis data.

tamhelmaahuhtoukesheielosyylokmarjouLine: average high · Bars: rainfall
KuukausiAvg highAvg lowSadefallRating
tammikuu11°5°110 mm★★★☆☆
helmikuu11°5°71 mm★★★☆☆
maaliskuu14°6°81 mm★★★☆☆
huhtikuu18°9°56 mm★★★★☆
tou22°13°67 mm★★★★☆
kesäkuu29°19°7 mm★★★★★
heinäkuu31°21°23 mm★★★★★
elokuu30°21°12 mm★★★★★
syyskuu26°18°76 mm★★★★☆
lokakuu20°13°70 mm★★★★☆
marraskuu17°11°128 mm★★★☆☆
joulukuu12°7°103 mm★★★☆☆

Ilmasto type: Mediterranean. Lähde: Open-Meteo archive (ERA5).

Paras aika vierailla Istanbul

Go in kesäkuu, heinäkuu and elokuu. These months score highest on comfortable temperatures, low rainfall and useful daylight.

Hardest months: tammikuu, helmikuu and joulukuu - expect the least comfortable mix of heat, cold or rain.

tammikuu★★★☆☆
helmikuu★★★☆☆
maaliskuu★★★☆☆
huhtikuu★★★★☆
tou★★★★☆
kesäkuu★★★★★
heinäkuu★★★★★
elokuu★★★★★
syyskuu★★★★☆
lokakuu★★★★☆
marraskuu★★★☆☆
joulukuu★★★☆☆

What ja pack, what ja skip

Pack for the next 7 days
  • A packable rain shell - 4 of the next 7 days carry a real chance of rain
Worth avoiding
  • If your dates are flexible, avoid tammikuu, helmikuu and joulukuu - historically the least comfortable months here.

How Istanbul compares ja nearby places

Annual averages, and the difference against Istanbul.

PlaceDistanceAvg tempvs hereAnnual rain
Romania447 km14°C2°C cooler626 mm
Bulgaria505 km12°C4°C cooler566 mm
Mykonos506 km19°C+4°C warmer411 mm
Rhodes513 km21°C+5°C warmer486 mm
Athens International Airport551 km18°C+2°C warmer487 mm

Katso kohteen Istanbul ennuste aikavälin mukaan

Istanbul weather - more answers

Explore Istanbul

Every topic we hold for this place, and the same topic for the places around it.

Sää for related places

Frequently asked questions

Where is Istanbul?

Istanbul is a city in Turkki. Its coordinates are 41.0082, 28.9784. It lies in Eurooppa.

What is the weather like in Istanbul nyt?

It is currently 18°C (64°F) ja ukkonen. Kosteus is 86% and wind is 14 km/h.

When is the best time ja visit Istanbul?

kesäkuu, heinäkuu and elokuu offer the most comfortable conditions in Istanbul, which has a Mediterranean climate. tammikuu, helmikuu and joulukuu 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 11:50 PM.

How many people live in Istanbul?

Istanbul has a population of approximately 15.6 million.

What is the nearest airport ja Istanbul?

The closest airports are Istanbul Airport (IST), 35 km away.

What are the top things ja 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 dataUSPOTUS Atlas dataset (cities-world) - coordinates, hierarchy and facts.
Ennuste and observationsOpen-Meteo (ECMWF and national models).
Ilmanlaatu and pollenCopernicus CAMS via Open-Meteo. US AQI scale.
Ilmasto averagesERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years.
MethodScores, 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 lokakuu 29, 2026 at 11:50 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.

Davil Hofile
Written byWriter at USPOTUS

Davil Hofile is a writer at USPOTUS covering breaking news, NFL updates, viral stories, entertainment, pets, and lifestyle. He specializes in transforming complex news into clear, trustworthy, and engaging articles that help readers quickly understand what's happening across the United States. His reporting follows Google's E-E-A-T guidelines, emphasizing accuracy, credible sources, and practical value for readers.

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