WEATHER IN Istanbul
Climate tables. Data for Istanbul.
Monthly temperature
| Month | Record low | Average low | Average | Average high | Record high |
| january | -9.7 (1954) | 4.0 | 6.5 | 9.1 | 21.7 (1971) |
| february | -8.2 (1929) | 4.2 | 6.8 | 9.9 | 24.0 (1977) |
| march | -7.0 (1953) | 5.8 | 8.8 | 12.5 | 26.8 (1937) |
| april | -2.0 (1929) | 9.3 | 12.8 | 17.2 | 32.9 (1994) |
| may | 2.8 (1935) | 14.1 | 17.7 | 22.2 | 34.1 (1932) |
| june | 7.1 (1930) | 18.7 | 22.5 | 26.9 | 39.2 (1982) |
| july | 10.5 (1933) | 21.4 | 25.2 | 29.7 | 39.7 (2000) |
| august | 10.2 (1949) | 21.9 | 25.5 | 29.9 | 40.5 (1970) |
| september | 6.0 (1931) | 18.1 | 21.6 | 25.7 | 37.5 (1938) |
| october | 2.2 (1972) | 14.1 | 17.0 | 20.4 | 34.2 (1984) |
| november | -7.2 (1948) | 9.7 | 12.4 | 15.5 | 27.2 (2003) |
| december | -8.4 (1933) | 5.9 | 8.4 | 11.0 | 22.5 (2010) |
| year | () | () |
Monthly precipitation
| Month | Average | Record low | Record high | Daily high |
| january | 76.4 | 13.3 (1988) | 391.8 (2013) | 300.0 (2013) |
| february | 65.9 | 11.6 (2007) | 159.0 (1999) | 73.0 (1934) |
| march | 95.5 | 10.2 (2019) | 952.5 (1994) | 911.0 (1994) |
| april | 44.2 | 2.0 (1952) | 166.0 (1965) | 50.0 (1978) |
| may | 35.7 | 3.0 (1962) | 323.0 (1984) | 288.0 (1984) |
| june | 34.6 | 0.0 (1965) | 324.0 (1980) | 300.0 (1980) |
| july | 21.8 | 0.0 (1966) | 89.5 (1995) | 68.0 (1995) |
| august | 25.5 | 0.0 (1952) | 138.0 (1975) | 97.0 (2019) |
| september | 65.5 | 0.0 (1965) | 776.0 (1975) | 766.0 (1975) |
| october | 71.0 | 2.0 (1964) | 235.0 (1997) | 86.0 (2004) |
| november | 88.5 | 7.2 (2011) | 986.1 (1975) | 889.0 (1975) |
| december | 112.8 | 9.0 (2015) | 871.1 (1993) | 511.0 (1993) |
| year | () | () | () |
Number of days with solid, liquid, and mixed precipitation
| Type of precipitation | jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |
Wind speed, m/s
| jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |
The frequency of different wind directions, %
| direction | jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |
Air humidity, %
| jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |
Snow cover
| Month | jul | aug | sep | oct | nov | dec | jan | feb | mar | apr | may | jun | Year |
| number of days | |||||||||||||
| height (sm) | |||||||||||||
| max height (sm) |
Cloudy, score
| month | jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |
| total | |||||||||||||
| low |
Number of clear, cloudy and cloudy days
| month | jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |
| Total cloud | |||||||||||||
| Low cloud | |||||||||||||
Number of days with different phenomena
| phenomenon | jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |
The frequency of different types of clouds, %
| type of clouds | jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |