Istanbul climate guide

Temperature in Istanbul (°C)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
8°C maximum daytime temperature in January in Istanbul8
9°C maximum daytime temperature in February in Istanbul9
11°C maximum daytime temperature in March in Istanbul11
16°C maximum daytime temperature in April in Istanbul16
21°C maximum daytime temperature in May in Istanbul21
25°C maximum daytime temperature in June in Istanbul25
27°C maximum daytime temperature in July in Istanbul27
27°C maximum daytime temperature in August in Istanbul27
24°C maximum daytime temperature in September in Istanbul24
19°C maximum daytime temperature in October in Istanbul19
15°C maximum daytime temperature in November in Istanbul15
11°C maximum daytime temperature in December in Istanbul11
Min temperature (night-time)
2°C minimum night-time temperature in January in Istanbul2
3°C minimum night-time temperature in February in Istanbul3
4°C minimum night-time temperature in March in Istanbul4
7°C minimum night-time temperature in April in Istanbul7
12°C minimum night-time temperature in May in Istanbul12
16°C minimum night-time temperature in June in Istanbul16
18°C minimum night-time temperature in July in Istanbul18
18°C minimum night-time temperature in August in Istanbul18
16°C minimum night-time temperature in September in Istanbul16
12°C minimum night-time temperature in October in Istanbul12
8°C minimum night-time temperature in November in Istanbul8
5°C minimum night-time temperature in December in Istanbul5
Sea temperature
8°C sea temperature in January in Istanbul8
7°C sea temperature in February in Istanbul7
7°C sea temperature in March in Istanbul7
10°C sea temperature in April in Istanbul10
15°C sea temperature in May in Istanbul15
21°C sea temperature in June in Istanbul21
23°C sea temperature in July in Istanbul23
24°C sea temperature in August in Istanbul24
22°C sea temperature in September in Istanbul22
18°C sea temperature in October in Istanbul18
14°C sea temperature in November in Istanbul14
10°C sea temperature in December in Istanbul10

Sunshine & Daylight in Istanbul

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daily hours of sunshine
Daily hours of daylight
10 hours of daylight per day in January in Istanbul10
11 hours of daylight per day in February in Istanbul11
12 hours of daylight per day in March in Istanbul12
13 hours of daylight per day in April in Istanbul13
14 hours of daylight per day in May in Istanbul14
15 hours of daylight per day in June in Istanbul15
15 hours of daylight per day in July in Istanbul15
14 hours of daylight per day in August in Istanbul14
12 hours of daylight per day in September in Istanbul12
11 hours of daylight per day in October in Istanbul11
10 hours of daylight per day in November in Istanbul10
9 hours of daylight per day in December in Istanbul9

Rainfall in Istanbul

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Number of days with some rain
19 days with some rainfall in January in Istanbul19
16 days with some rainfall in February in Istanbul16
14 days with some rainfall in March in Istanbul14
11 days with some rainfall in April in Istanbul11
9 days with some rainfall in May in Istanbul9
6 days with some rainfall in June in Istanbul6
4 days with some rainfall in July in Istanbul4
5 days with some rainfall in August in Istanbul5
7 days with some rainfall in September in Istanbul7
12 days with some rainfall in October in Istanbul12
14 days with some rainfall in November in Istanbul14
18 days with some rainfall in December in Istanbul18
Average monthly rainfall (mm)
110 mm monthly rainfall in January in Istanbul110
75 mm monthly rainfall in February in Istanbul75
72 mm monthly rainfall in March in Istanbul72
50 mm monthly rainfall in April in Istanbul50
35 mm monthly rainfall in May in Istanbul35
28 mm monthly rainfall in June in Istanbul28
25 mm monthly rainfall in July in Istanbul25
35 mm monthly rainfall in August in Istanbul35
43 mm monthly rainfall in September in Istanbul43
76 mm monthly rainfall in October in Istanbul76
97 mm monthly rainfall in November in Istanbul97
126 mm monthly rainfall in December in Istanbul126

More climate for Istanbul

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (Maximum)
UV (maximum) index 2 (Low) in January in Istanbul2
UV (maximum) index 2 (Low) in February in Istanbul2
UV (maximum) index 4 (Moderate) in March in Istanbul4
UV (maximum) index 5 (Moderate) in April in Istanbul5
UV (maximum) index 7 (High) in May in Istanbul7
UV (maximum) index 8 (Very High) in June in Istanbul8
UV (maximum) index 9 (Very High) in July in Istanbul9
UV (maximum) index 8 (Very High) in August in Istanbul8
UV (maximum) index 6 (High) in September in Istanbul6
UV (maximum) index 4 (Moderate) in October in Istanbul4
UV (maximum) index 2 (Low) in November in Istanbul2
UV (maximum) index 1 (Low) in December in Istanbul1
Heat & Humidity
No heat & humidity in January in Istanbul0
No heat & humidity in February in Istanbul0
No heat & humidity in March in Istanbul0
No heat & humidity in April in Istanbul0
No heat & humidity in May in Istanbul0
Low heat & humidity in June in IstanbulL
Low heat & humidity in July in IstanbulL
Low heat & humidity in August in IstanbulL
No heat & humidity in September in Istanbul0
No heat & humidity in October in Istanbul0
No heat & humidity in November in Istanbul0
No heat & humidity in December in Istanbul0

Note: 0 = None, L = Low, M = Moderate, H = High, VH = Very high, E = Extreme

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Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

The climate guide for Istanbul, Turkey shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

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Metric (°C / mm)  |  Imperial (°F / inches)

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