The bar chart below shows the average monthly peak daytime temperatures at İstanbul
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
°C | 8 | 8.6 | 10.7 | 15.7 | 20.3 | 24.9 | 26.8 | 26.8 | 23.9 | 19 | 14.7 | 10.5 |
°F | 46.4 | 47.5 | 51.2 | 60.3 | 68.5 | 76.8 | 80.3 | 80.2 | 75 | 66.2 | 58.5 | 50.9 |
Please note: these are the average peak daytime temperatures (usually around mid-afternoon) so do not show daytime / night highs and lows. To see the daily range of temperatures have a look at the temperature max / min chart below.
The graph below shows the average rainfall and number of rainy days per month.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
mm | 110 | 75 | 72 | 50 | 35 | 29 | 25 | 35 | 43 | 76 | 97 | 126 |
inches | 4.3 | 2.9 | 2.8 | 2 | 1.4 | 1.1 | 1 | 1.4 | 1.7 | 3 | 3.8 | 5 |
Rainy days | 18 | 16 | 14 | 11 | 8 | 6 | 4 | 5 | 6 | 11 | 14 | 17 |
Average annual rainfall in İstanbul: 842.9mm (331.9 inches)
The bar chart below shows the average daily sunshine hours in İstanbul
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Hrs sunshine | 5.2 | 6 | 6.6 | 8.4 | 10.5 | 12 | 12.7 | 11.3 | 9.7 | 7 | 5.4 | 4.7 |
The graph below shows the daily range of temperatures for each month.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Min °C | 2.5 | 2.9 | 4 | 7.5 | 11.7 | 15.7 | 18.2 | 18.4 | 15.5 | 11.8 | 8.4 | 5 |
Max °C | 8.2 | 8.8 | 10.9 | 15.9 | 20.5 | 25.1 | 27.1 | 27 | 24.1 | 19.2 | 14.9 | 10.7 |
Min °F | 36.4 | 37.1 | 39.1 | 45.5 | 53.1 | 60.3 | 64.7 | 65.1 | 59.9 | 53.2 | 47 | 40.9 |
Max °F | 41.5 | 42.4 | 45.3 | 53.1 | 61 | 68.7 | 72.7 | 72.9 | 67.6 | 59.9 | 52.9 | 46 |
The graph below shows the average sea temperature.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
°C | 8.5 | 7.5 | 7.9 | 10.4 | 15.3 | 20.7 | 23.6 | 24.6 | 22.5 | 18.8 | 14.4 | 10.9 |
°F | 47.4 | 45.6 | 46.2 | 50.7 | 59.6 | 69.3 | 74.5 | 76.2 | 72.6 | 65.8 | 58 | 51.7 |
The graph below shows the average wind speed.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
km/h | 13 | 13 | 12 | 10 | 9 | 9 | 11 | 12 | 11 | 12 | 11 | 13 |
mph | 8 | 8 | 7 | 6 | 6 | 6 | 7 | 7 | 7 | 7 | 7 | 8 |
A monthly average windspeed of over 16km/h or 10mph suggests a location is fairly windy.
The graph below shows the average relative humidity.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
---|---|---|---|---|---|---|---|---|---|---|---|
79% | 77% | 77% | 75% | 75% | 72% | 71% | 72% | 74% | 76% | 77% | 78% |
Hottest month: | August | 26.8°C 80.2°F |
---|---|---|
Driest month: | July | 25mm 1ins |
Sunniest month: | July | 12.7hrs |
Coldest month: | January | 8°C 46.4°F |
Wettest month: | December | 126mm 5ins |
Warmest sea: | August | 24.6°C 76.3°F |