Historical Weather in Istanbul, Turkey
See 55+ years of weather history for any date in Istanbul going back to 1970.
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Monthly Climate Averages
Historical temperature and precipitation averages for Istanbul, Turkey, based on 55+ years of weather data.
Warmest MonthAugustAvg High: 30°C (86°F) / Low: 19°C (66°F)
Coldest MonthJanuaryAvg High: 9°C (49°F) / Low: 3°C (37°F)
Jan
9°/ 3°
49° / 37°F
💧 157 mm
Feb
11°/ 3°
51° / 37°F
💧 147 mm
Mar
13°/ 4°
56° / 39°F
💧 140 mm
Apr
18°/ 8°
65° / 46°F
💧 142 mm
May
23°/ 12°
74° / 54°F
💧 145 mm
Jun
28°/ 16°
82° / 61°F
💧 160 mm
Jul
30°/ 19°
86° / 66°F
💧 188 mm
Aug
30°/ 19°
86° / 66°F
💧 185 mm
Sep
27°/ 15°
80° / 59°F
💧 196 mm
Oct
21°/ 11°
70° / 52°F
💧 216 mm
Nov
16°/ 7°
60° / 45°F
💧 193 mm
Dec
11°/ 4°
52° / 40°F
💧 185 mm
Temperatures shown in Celsius with Fahrenheit in parentheses. Rainfall in millimetres, snowfall in centimetres.