Istanbul Historic Weather Records
Analyse hottest, coldest, windiest & wettest days

Istanbul Weather Trend Graph

Temperature (°C)

Months

Months	Historic Min Temp.	Min Temp.	Forecasted Min Temp.	Historic Max Temp.	Max Temp.	Forecasted Max Temp.
	6.449999999999999	0.5		9.51875	3.2
	6.550000000000001	2.8		9.662499999999998	8.3
	6.125	7.9		9.6125	13.2
	6.656249999999999	13.2		9.71875	14.7
	6.887500000000001	11.3		9.812499999999998	13
	6.675000000000001	11.1		10.7125	13.8
	6.025000000000001	11.3		9.725	15.1
	5.637500000000001	7.7		8.743749999999999	14.8
	5.39375	3		8.99375	7.6
	6.474999999999998	8.6		10.025	13.8
	7.0875	3.6		10.793750000000001	12.2
	6.20625	2.1		9.850000000000001	3
	5.5125	0.6		7.9875	3.8
	5.0125	4		8.50625	7.6
Jan.	5.143750000000001	7.9		8.831249999999999	10
	5.71875	2.9		8.65625	10
	5.593750000000001	1.9		9.39375	3.5
	5.643750000000001	2.1		9.21875	4.1
	5.418749999999999	2.4		8.8	3.7
	4.9750000000000005	2.7		9.51875	6.2
	5.81875	3.4		9.91875	7.1
	6.062500000000001	5.7		9.187500000000002	9.4
	5.5625	8.5		9.2125	12
	5.768749999999999	8.5		8.274999999999999	10.9
	5.34375	9.8		8.01875	12.8
	4.725	10.3		7.956249999999999	13.1
	3.5687499999999996	10.5		7.4375	12.5
	4.2124999999999995	9.4		7.61875	11.5
	4.9375	10.1		8.3625	12.3
	5.0687500000000005	6.8		8.275	12.6
	5.39375	7.4		8.625	11.2
	6.1312500000000005	4.8		9.65625	6.2
	6.156249999999999	2.6		9.9375	7.7
	6.4875	1.5		9.8875	3.8
	6.593750000000001	3.3		10.28125	9.3
	5.88125	8.1		9.6875	11.9
	5.6875	10.1		9.45	13.4
	5.74375	9.4		9.575	12.4
	5.562499999999999	8.4		9.725000000000001	10.2
	5.59375	5.4		8.3	8.9
	5.66875	4.7		8.918750000000001	6.2
	6.0625	5.1		9.693750000000001	9.1
	5.83125	8.1		9.981250000000003	12.6
	5.843750000000001	8.9		9.1375	10.7
	5.693750000000001	8		9.0375	12
Feb.	5.1937500000000005	10.3		8.46875	20
	5.2124999999999995	11.8		8.4625	15.6
	4.918749999999999	10.2		8.5	13.4
	5.581249999999999	2.9		9.193750000000001	12.2
	5.7375	4.4		9.343750000000002	10.2
	5.8375	6.5		9.43125	14
	5.324999999999999	7.4		9.63125	11
	5.943749999999999	4.4		9.66875	7.5
	6.4937499999999995	3.5		10.212499999999999	7.4
	6.7124999999999995	5.2		9.99375	11
	6.718750000000001	5		10.4	8.8
	6.83125	4.2		10.88125	6.4
	6.612500000000001	4.2		10.74375	5
	5.39375	4.5		9.69375	7
	5.5687500000000005	5.2		9.54375	8.3
	6.01875	4.2		10.33125	9.7
	6.675	6.1		10.362499999999999	10.1
	6.406249999999999	5.7		10.88125	9.6
	6.8875	5.8		11.425	11.2
	7.0375000000000005	6.7		11.69375	11.3
	6.9125	5		11.05625	8.4
	7.237500000000001	3.9		11.037499999999998	7.9
	7.074999999999999	5.2		10.850000000000003	8.6
	7.056250000000001	5.4		10.818750000000001	11.3
	7.1499999999999995	5.5		10.61875	10.9
	6.71875	6.2		11.324999999999998	9.7
	7.2	5.2		11.106250000000001	10.4
	7.21875	5.4		11.506250000000003	10
Mar.	7.218749999999999	6		11.737499999999999	10.2
	6.956249999999999	6.4		10.775	10
	6.5687500000000005	4.9		10.3375	9.9
	6.075	6.2		10.493750000000002	9.2
	6.18125	6.6		10.7375	7.9
	7.062500000000001	6.1		11.1625	6.7
	7.0375000000000005	6.6		11.65	7.5
	6.73125	7.5		12.062500000000004	8
	6.981249999999999	7.7		11.89375	9.7
	6.8375	7.7		11.75	8.2
	7.33125	7.5		12.475000000000001	9.2
	7.975	6.3		12.718749999999998	11.9
	8.25625	7.8		12.6875	15.4
	7.624999999999999	9.6		12.887500000000001	13.4
	7.781250000000002	8		11.612499999999999	8.5
	7.90625	7.5		12.937500000000002	8.6
	8.949999999999998	8.8		14.14375	13.3
	9.4125	9.7		14.731249999999998	17.1
	9.3625	10.1		13.5875	15
	9	9.8		13.931249999999999	14
	8.64375	9.9		13.756250000000001	13.9
	8.862500000000002	9.2		14.137499999999998	17.1
	9.137500000000001	8.7		14.631250000000001	16.2
	8.875	10.5		13.737499999999995	15.4
	8.525	8.4		13.2375	14.1
	8.5625	7.7		14.093750000000002	12.1
	8.375	7.1		13.73125	10.3
	7.94375	6		13.01875	11.9
	8.78125	5.8		13.981250000000001	12.9
	9.025	6.7		15.256249999999998	14.1
	9.4375	8.6		14.912500000000001	15.6
Apr.	10	8.3		15.918750000000001	16.8
	10.437500000000002	9		15.7875	15.8
	10.23125	8.9		15.468749999999996	14.5
	10.15625	10.1		14.887499999999998	14.2
	9.76875	8.8		14.700000000000001	15.9
	10.006250000000001	9.2		14.581250000000002	15.4
	9.812500000000002	11.1		14.91875	17.6
	9.69375	8.5		15.074999999999998	10.2
	10.531250000000002	8.4		15.850000000000001	14
	11.0125	9.9		16.75	15.6
	11.543750000000001	11.2		16.78125	19.3
	12.14375	11.6		17.50625	19.4
	11.44375	9.9		17.075	14.9
	11.731250000000001	8.6		17.1625	16
	11.975000000000001	8.7		17.962500000000002	16.9
	12.106250000000003	10		17.30625	16.2
	12.43125	9.2		17.568749999999998	10.9
	12.66875	8.1		17.868750000000002	12.7
	12.89375	9.1		18.5	11.6
	13.0375	10.2		18.33125	14.3
	12.775	11.2		17.98125	16.3
	13.0625	9.7		17.7375	17.8
	13.04375	13		18.387499999999996	19.8
	12.793750000000001	14.6		18.212500000000002	21
	13.418749999999998	15		18.28125	19.8
	12.981250000000001	14.4		17.55	20.8
	13.206250000000002	15.2		18.450000000000003	21.5
	13.65	15.5		19.43125	23.2
	14.450000000000001	14.2		20.000000000000004	20.4
	14.4375	12.4		20.15	15.9
May	14.731250000000001	11.5		20.599999999999998	18.5
	15.525	14.1		21.60625	22.3
	15.7375	15		20.86875	20.3
	14.975	13.1		20.45625	19.4
	15.199999999999998	15		20.468749999999996	22.5
	15.037499999999996	15.5		20.468749999999996	20.2
	15.381250000000001	15.4		20.512499999999996	19.2
	15.481250000000001	15.7		20.775	19.9
	15.75625	15.3		21.525	21.7
	15.931250000000004	16.3		21.09375	21.1
	16.075	15.7		21.6125	23.4
	16.599999999999998	16.8		21.731250000000003	23.6
	16.625	16		21.48125	25.4
	16.56875	16.2		21.318750000000005	22.9
	17.143749999999997	15.8		21.9125	19.5
	17.162499999999998	14.8		22.306250000000002	21.3
	17.525	16.7		22.525	22.4
	17.51875	17.6		22.8875	24.1
	17.387500000000003	19.2		22.631249999999998	26.5
	17.818749999999998	19.7		23.41875	25.8
	17.9875	19.8		23.906249999999996	27.6
	18.187499999999996	20.2		23.724999999999998	26.6
	18.71875	18.9		23.975000000000005	27.1
	18.78125	18.3		23.90625	27.4
	18.437500000000004	19.1		23.50625	27.2
	18.4	19		24.031250000000004	25.6
	18.7375	18.7		24.368750000000002	27.1
	19.20625	18.7		24.70625	27.5
	19.1	18.7		24.64375	27.3
	19.637500000000006	18.6		25.437499999999996	22.3
	19.85	17		25.425	24.7
Jun.	19.875	19.9		25.031249999999996	26.7
	19.912499999999998	21.2		25.2625	27.3
	20.3375	20.1		25.493750000000002	26.4
	20.400000000000002	19.1		25.54375	26.3
	20.43125	19.5		25.525000000000002	24.6
	20.418750000000003	19.2		25.6125	26
	20.643749999999997	19.3		25.9	27.1
	20.700000000000003	19.8		25.9	27.8
	20.712500000000002	20.2		26.2125	27.1
	20.974999999999998	19.5		26.54375	27.8
	20.9375	21		26.75	29.5
	21.331249999999997	21.7		26.881249999999998	30.4
	21.2875	22.1		27.125000000000004	29.6
	21.25	21.9		26.375	27.9
	21.11875	21.9		25.799999999999997	30.8
	21.049999999999997	22.1		26.668750000000003	30.9
	21.3625	22.9		27.10625	31.6
	21.64375	23		27.4	30.9
	21.675	22.7		27.643750000000004	29.4
	21.41875	23.2		26.812500000000004	26.8
	21.674999999999997	21.7		27.381250000000005	27.4
	21.9125	20.5		27.312499999999993	27.6
	21.974999999999998	20.6		27.912499999999998	28.9
	21.993750000000002	20.7		27.506249999999998	29.1
	22.14375	20.4		27.73125	25.6
	21.756250000000005	20.3		27.2375	27
	22.031249999999996	21.8		27.493750000000002	29.4
	22.468749999999996	21.4		27.60625	29.5
	22.2875	21.2		27.88125	28.6
	22.3	21		27.6375	26.4
Jul.	22.35	21.3		27.84375	29.5
	22.250000000000004	22.3		27.94375	29.5
	22.53125	22.8		28.4625	30
	22.656249999999996	23.1		27.668750000000003	29.9
	22.71875	22.1		27.968750000000004	30
	22.931250000000006	22.1		28.212500000000006	31
	23.043750000000006	22.4		28.16875	31.4
	23.01875	23.2		28.575000000000003	31
	23.4125	22.1		29.38125	25.2
	23.381249999999998	21		28.706250000000004	26.8
	23.275	22.2		28.887500000000003	24.5
	23.51875	20.6		29.55625	26.5
	23.5125	22.5		29.18125	29.4
	23.181249999999995	24.1		28.91875	30.6
	23.73125	22.9		29.18125	28
	23.85625	22.2		29.518749999999997	26.5
	23.881249999999994	22.4		28.881249999999998	26.7
	23.79375	22.4		28.80625	27.1
	23.943749999999998	22.9		28.687499999999996	28.7
	23.975	23		29.05	30.5
	23.887499999999996	23		28.9625	31.7
	23.937499999999996	23.4		29.056250000000002	30.8
	24.29375	23.3		29.375000000000004	30.6
	24.100000000000005	23.3		28.812500000000004	30.5
	23.856250000000006	23.7		28.825	30.4
	23.618750000000002	24.4		28.6875	28.4
	23.824999999999996	23.6		28.8	28.9
	23.43125	22.9		28.599999999999998	29.5
	23.66875	23.1		28.68125	30.3
	23.324999999999996	23.8		28.5375	28.9
	23.2625	22.9		28.174999999999997	27
Aug.	23.381249999999998	22.5		28.212500000000002	26.6
	23.55		22.5	28.356250000000006		27
	23.231250000000003		21.7	28.312499999999996		27.9
	23.193749999999998		20.9	28.018749999999994		29.3
	23.375000000000004		21.8	28.09375		30.3
	23.19375		23.4	27.79375		33
	23.006249999999998		23.6	27.86875		31.4
	22.90625		22.9	27.91875		31.4
	23.206249999999997		24	27.968749999999996		30.8
	23.381249999999998		23.1	28.262500000000003		27.9
	23.162499999999998		22.9	27.749999999999996		27.7
	22.7625		22.6	27.618749999999995		27.5
	23.018750000000004		22.7	27.631249999999994		27.7
	22.718749999999996		22.5	28.212500000000002		28
	22.593749999999996		22.6	27.50625		27.5
	22.53125		22.3	27.018749999999997		27.1
	22.475		22.5	27.29375		27.3
	21.949999999999996		21.7	27.012499999999996		26.8
	22.25625		22	27.18125		27
	21.943749999999998		21.8	27.0125		27.1
	21.937499999999996		21.9	26.224999999999998		26.5
	21.85		21.8	25.9625		26.2
	21.450000000000003		21.3	25.768749999999994		26
	21.718750000000004		21.8	25.9875		25.9
	21.48125		21.3	25.84375		25.5
	21.18125		21.1	25.79375		25.8
	21.093750000000004		21	25.8		25.6
	21.3875		21.2	25.7875		25.5
	21.131249999999998		21.1	25.2		25.3
	21.19375		21	25.362499999999997		25.3
	20.799999999999997		20.7	25.31875		25.5
Sep.	20.775000000000002		20.4	25.637500000000003		25.5
	20.975			25.8875
	20.7			25.2375
	20.775000000000002			24.925
	20.7			24.700000000000003
	19.993750000000002			23.975
	19.025000000000002			23.46875
	18.150000000000002			22.325000000000003
	18.206250000000004			22.86875
	18.631249999999998			23.093749999999996
	18.6875			23.8625
	18.868750000000002			23.831249999999997
	19.325			23.33125
	19.043749999999996			22.862500000000004
	19.093749999999996			22.775000000000002
	18.543750000000003			22.231250000000003
	17.525			21.606250000000003
	17.4875			21.1875
	17.462500000000002			20.937500000000004
	17.30625			21.0625
	16.8			20.825000000000003
	17.356250000000003			21.10625
	17.3625			21.493750000000002
	16.98125			21.01875
	16.0375			20.262500000000006
	15.8375			19.849999999999998
	16.424999999999997			20.193749999999994
	16.475			20.725
	16.5			20.28125
	16.325000000000003			20.18125
Oct.	15.762500000000001			19.718749999999996
	16.16875			20.062500000000004
	15.912500000000001			19.65625
	15.706249999999999			18.85
	15.03125			18.65625
	14.856250000000001			18.862499999999997
	14.243749999999999			18.85
	15.3375			19.0375
	16.00625			19.4625
	15.75625			19.181250000000006
	14.987499999999999			18.181250000000002
	14.875			18.0625
	14.493750000000002			18.41875
	14.068750000000001			17.9875
	14.40625			17.65625
	13.893750000000002			17.643749999999997
	13.412499999999998			16.88125
	13.337499999999997			16.506249999999998
	13.187499999999998			16.41875
	13.237499999999997			17.1625
	14.2875			18.081249999999997
	14.237499999999999			17.75
	14.53125			17.974999999999998
	14.168750000000001			17.55
	13.825000000000003			17.406249999999996
	13.837499999999997			17.656249999999996
	13.73125			17.181250000000002
	13.575			16.768749999999997
	13.61875			17.025000000000002
	13.33125			16.368750000000002
	12.856250000000001			15.95
Nov.	12.631250000000001			15.41875
	11.937499999999998			14.7375
	12.124999999999998			14.993750000000002
	11.76875			15.5125
	12.287500000000001			15.78125
	11.556250000000004			15.51875
	12.4875			15.875
	11.925			15.318749999999998
	11.90625			14.9625
	11.362499999999999			14.462500000000004
	11.206249999999999			13.90625
	10.443750000000001			13.812500000000002
	11.312499999999998			13.712499999999999
	10.012500000000001			14.525
	10.662500000000001			14.262500000000003
	10.062499999999998			13.83125
	10.193750000000001			13.51875
	10.2625			13.343749999999998
	10.456249999999999			13.68125
	9.8625			12.96875
	8.8125			12.75625
	9.10625			12.624999999999998
	8.424999999999999			11.6875
	8.71875			11.54375
	9.0375			12.187500000000002
	8.5625			12.981250000000001
	9.00625			12.068749999999998
	9.0625			11.75625
	8.40625			11.525
	8.212499999999999			11.30625
Dec.	7.787499999999999			11.30625
	7.925000000000001			11.13125
	8.2875			11.206249999999999
	8.112499999999999			11.062500000000004
	7.4875			10.693749999999998
	7.1			10.825000000000001
	7.25			10.63125
	7.187500000000001			10.349999999999998
	7.26875			10.43125
	7.224999999999999			10.74375
	8.0125			11.19375
	7.79375			11.125
	8.10625			11.1875
	7.325			10.762500000000001
	7.393749999999999			10.43125
	6.38125			9.312499999999998
	6.386666666666667			8.893333333333333

Max Temp.

Historic Max Temp.

Min Temp.

Historic Min Temp.

Yearly Summary 2026

32°C

Highest Temp

4 Aug. 26

1°C

Lowest Temp

1 Jan. 26

Seasonal Breakdown

Hottest MonthAugust29.33°C

Coldest MonthFebruary6.17°C

Wettest MonthFebruary3.53mm

Windiest MonthJanuary28.36km/h

Istanbul Climate Change InsightsSee how climate patterns are evolving over time. Temperature shifts, rainfall trends, and extreme events—all in one place.

Weather City Ranking GloballyExplore Real time of the world’s hottest & Coldest Cities based on current temperature data.

Frequently Asked Questions

1. What is the hottest month in Istanbul historically?

August is historically Istanbul's hottest month, with average maximum temperatures around 28°C. During peak heatwave events, the highest recorded temperatures have reached 36°C on 2025-07-23.

2. What is the coldest month in Istanbul historically?

January is Istanbul's coldest month, with average minimum temperatures around 6°C. The all-time record low of -4°C was recorded on 2017-01-07.

3. What is the average annual rainfall in Istanbul over the past 17 years?

Istanbul's average annual rainfall is approximately 648.1mm, based on records spanning 17 years.

4. How many rainy days does Istanbul experience on average per year?

Istanbul historically records approximately 151.4 rainy days per year. January has the highest number of rain days at an average of 18 days.

5. What is the all-time highest temperature ever recorded in Istanbul?

The all-time highest temperature recorded in Istanbul is 36°C on 2025-07-23.

6. What is the all-time lowest temperature ever recorded in Istanbul?

The all-time lowest temperature recorded in Istanbul is -4°C on 2017-01-07.

7. What is the windiest time of year in Istanbul historically?

Istanbul experiences its strongest winds during August. The historic gust record of 59.8 kph was recorded on 2023-11-29.

8. What is the highest and lowest humidity in Istanbul during a year?

Usually, Istanbul's humidity peaks in February at around 75.4% and drops to its lowest in July at approximately 63.7%.

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Istanbul Historic Weather Records
Analyse hottest, coldest, windiest & wettest days

Istanbul Weather Trend Graph

Yearly Summary 2026

Seasonal Breakdown

Frequently Asked Questions

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Analyse hottest, coldest, windiest & wettest days