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Istanbul, Turkey · Temperate oceanic

Istanbul in June: go or not?

Excellent time. Istanbul in June scores 9.0/10.

📅 Data updated: October 2026 🛰️ ERA5 · 10 years 📍 41.01°N · 28.95°E
⚡ This month's verdict
Go for it
Istanbul · June
9.0
19–26°
Temperature
16%
Rain
10h
Sun
🌊 Seaside☀️ Bright🍴 Gastronomy
The month in detail

What to expect in June

Summer in Istanbul brings pleasant temperatures (26°C) and long sunny days (9.9h of sunshine). Rain risk remains low (16% of days), leaving good room for outdoor activities. This is one of the best times of year to visit Istanbul.

June ranks 2 out of 12 months in Istanbul. Compared to May: +5°C daytime, 5 pts fewer rainy days, +1.9h of sun per day.

This month's conditions

What it's like in June

UV index
8 · high
sunscreen and hat advised
Feels like
muggy at times
17°
Sea
20°C
cool, invigorating
Daylight
14.9h of daylight
Air quality
fair
AQI 44
Compare

Is June the right month?

The best month in Istanbul is July (9.3/10), 0.3 pt higher than June.

See July →See all 12 months →
Book

Plan your trip

Hotels at their lowest outside peak season, highest on comfortable months. Shoulder seasons offer a good price/climate compromise.

🎟️ Activities & tours · Istanbul

GetYourGuide selection · free cancellation

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Affiliate link · GetYourGuide
Practical info

What you need to know before you go

Three angles: the country (language, currency, safety, budget), the year-round climate, and the specifics of a beach holiday.

Country · Turkey

🗣️LanguageTurkish
💶CurrencyLivre turque (₺)
🚗DrivingRight-hand
🛡️Safety ⓘVery safe · 1/5
💰Cost of living ⓘCheap · 2/5

🌡️ Climate

🌍Climate typeTemperate oceanic
📈Climate trend ⓘStable
🔥Hottest monthAugust · 30°C
❄️Coolest monthJanuary · 10°C
🌧️Rainiest month ⓘJanuary · 30%

🏖️ Beach holiday

📅Peak seasonJuin → Sept
🏖️Swell (Sept–Mar) ⓘModérée
Location

Where is Istanbul ?

Global position + regional geographic context.

🌍 World
🔍 Geographic context
Turkey
Temperate oceanic climate with a 9.3 → 4.0 gap between best and worst month. 10 years of ERA5 data to choose by project.
41.01°N · 28.95°E
Questions

Frequently asked questions

What is the best time to visit Istanbul?
July is the best month with 29.0°C highs, 21.0°C lows, 10.3h of sunshine and 10.0% rainy days. The months of July & June offer comparable conditions.
How many hours of sunshine does Istanbul get in July?
Istanbul averages 10.3 sunshine hours per day in July. It is the sunniest month with a climate score of 9.0/10.
What is the rainiest month in Istanbul?
January is the most unfavourable month with January has the lowest climate score of the year and the lowest climate score of the year.
What are the temperatures at night in Istanbul in July?
In July, overnight lows reach 21.0°C, while afternoon highs average 29.0°C.
Is Istanbul good in winter?
In winter (December-February), Istanbul scores 4.0/10 on average — Difficult period — prefer the peak season.. The best month overall remains July with a score of 9.0/10.
When should you avoid Istanbul?
January is the most difficult month to visit Istanbul, with January has the lowest climate score of the year. Climate conditions are at their lowest of the year during this period.
Can you swim in Istanbul in June?
In June, the sea averages 20°C in Istanbul: cool, invigorating. Swimming is possible but brisk; sensitive swimmers may prefer a wetsuit.
Do you need sun protection in Istanbul in June?
The average UV index reaches 8 in June in Istanbul (high), with about 14.9h of daylight. Sunscreen and hat advised.