Temperature
Warm by day, mild at night.
81°Ftypical Aug high
Istanbul is most comfortable in autumn. Summers are warm and winters are cool. The wettest months are roughly October to February. Humidity is usually low.

Warm by day, mild at night.
One of the driest months, with very little rain.
Very sunny skies.
Warm days, with some hot afternoons and occasional humid spells.
Predominantly clear skies.
Want a side-by-side climate view? Compare Istanbul with Florence.
Typical monthly values are based on long-term climate records. Useful for planning, not a forecast. Check the weather before you travel.
Local microclimates can vary by beach, neighborhood, trail, or elevation.
Last updated: Jun 1, 2026
Data & methodology