World Resorts Turkey Istanbul

Istanbul Monthly Weather Averages

Please click on any column to get detailed information about Istanbul weather in that particular month. You will get daily weather information for that month for the last several years.

Day & Night air temperature, °F

The warmest month in Istanbul is july. The average daily temp is 85.5°F. The average nightly temp is 74.6°F.

Sea water temperature, °F

The warmest sea temperature usually observed in August. Average daily sea water temperature during this month is 75.9°F.

Precipitation total, in.

August is the month with least precipitations during the year. The average precipitation totals for this month is 0.2 in. The month with most precipitation total is January.

Number of rainy days

This chart shows averages for the last three years. It shows medium and heavy rains only, it doesn't show light rains.

Wind speed, mph
Sunny, partly cloudy and cloudy days
Average sunny hours

Sunny hours are calculated based on the average daily number of hours while sunlight can reach the ground. It depends on day length and cloudiness during the day.

* Charts above show average data for the last 3 years.

Best time for vacation in Istanbul

Sunniest months:
July 28 days
August 28 days
June 22 days
Warmest months:
July 85.0 °F
August 84.7 °F
June 79.8 °F
Warmest sea temp:
August 75.8 °F
July 74.5 °F
September 73.4 °F
Coldest months:
January 48.7 °F
February 49.9 °F
December 52.9 °F
Rainiest months:
January 5 days
December 4 days
February 3 days
Windiest months:
August 13.7 mph
July 12.0 mph
September 11.9 mph

Istanbul on a weather map

Istanbul
+54°F
W 6 mph
Feels like: +52°F
Precip.: 0%
Places in Turkey:
Name
°F
+57°F
+57°F
+54°F
+59°F
+52°F
+63°F
+50°F
+52°F
+57°F
+57°F
+59°F
+59°F
+59°F
+54°F
+59°F
24 Hours Forecast
Istanbul
Local time: 06:06
December 05, friday
0900
55°F
W
6 mph
1200
63°F
SW
9 mph
1500
63°F
W
9 mph
1800
59°F
SW
5 mph
2100
59°F
W
6 mph
December 06, saturday
0000
57°F
SW
5 mph
0300
57°F
NW
4 mph
0600
57°F
NW
3 mph
Units of measurement: °C / °F