When to go
The Best Time to Visit Istanbul
Month-by-month climate data for Istanbul, Türkiye — daily highs and lows, rain days, and an honest verdict for every month of the year.
April–May, September–November. Mild and dry. Summer is hot but evenings are lovely. Winters are wet, occasionally snowy.
Warmest in Istanbul: Aug (30°C / 86°F) · Coolest: Jan (10°C / 50°F) · Wettest: Mar (~13 rain days)
Daily highs / lows in °C · bars show rain days per month · ERA5 climate normals (2020–2024)
Istanbul climate, month by month
January
10° / 4°C
~12 rain days
Fair
February
11° / 4°C
~10 rain days
Good
March
12° / 5°C
~13 rain days
Fair
April
17° / 9°C
~10 rain days
Excellent
May
21° / 12°C
~9 rain days
Excellent
June
26° / 18°C
~9 rain days
Excellent
July
29° / 21°C
~4 rain days
Excellent
August
30° / 21°C
~4 rain days
Excellent
September
26° / 18°C
~7 rain days
Excellent
October
21° / 14°C
~6 rain days
Excellent
November
16° / 10°C
~9 rain days
Good
December
13° / 7°C
~12 rain days
Good
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