Climate guide for Istanbul, Turkey

Istanbul in July

Weather, crowds & best time to visit

How to read the score (0–10)
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July · Turkey

Best time to visit Istanbul in July Weather, crowds & prices

Weather in Istanbul in July

Average temperature 25°C, 33 mm of rain, about 31 days with 6+ hours of sunshine and 67% humidity — based on the five most recent complete years of ERA5 data (2021–2025).

July score

8.4/10

Ranked #5 of 12 months

Full year for Istanbul
Avg temp
25°C
Rainfall
33 mm
Humidity
67%
Days with 6h+ sun
31
Crowd Density
Peak Tourist Rush
Average Expenses
$$ · Moderate Cost ($$)

July in Istanbul scores 8.4/10 for sightseeing and cultural travel - an above-average month (#5 of 12). Expect around 25°C, 33 mm of rain, and roughly 31 days with 6+ hours of sunshine this month.

Bosphorus ferries and storied quarters shine brightest in mild April through June.

July holds up well in Istanbul — 5th best month

At 25°C (78°F) this is comfortable city weather in July, with sightseeing easiest before lunch and after the afternoon peak.

With around 33 mm of rain, any showers tend to pass through rather than settle in; about 31 days with 6+ hours of sunshine and 14.8 hours of daylight fill the rest.

That is 8.4/10 on the same scale — 5th of 12 months, versus 9.4/10 for the best month here.

Pack light clothing, a hat and real sun protection.

Budget for mid-season pricing, and this is one of the busiest months here.

View all 12 months

Ranked by pure climate comfort

Score scale: 0.0 → 10.0Quiet / UncrowdedModerate CrowdsPeak Tourist Rush

Frequently asked

What is the weather like in Istanbul in July?
In July, Istanbul averages 25°C, 33 mm of rain, and about 31 days with 6+ hours of sunshine. Its climate-comfort score is 8.4/10.
Is July a good time to visit Istanbul?
July earns a 8.4/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
How much does it rain in Istanbul in July?
Expect about 33 mm of rain in July. Average humidity is 67% and there are about 31 days with 6+ hours of sunshine.

Curated in Istanbul

Tickets & experiences

Things to do in Istanbul

Istanbul, Turkey. Live activities and tours from GetYourGuide, matched to this destination.