Weather in Istanbul

Calculated from weather data of İstanbul Atatürk Airport (LTBA) between 2020 and 2024.

Maximum temperatures (°C)

Month	Average	2024	2023	2022	2021	2020
January	9.6	10.5	12.0	8.0	11.1	9.0
February	10.5	12.9	9.8	10.0	10.8	10.9
March	12.5	14.0	12.3	8.1	10.5	13.5
April	17.0		16.0	17.6	15.6	15.4
May	22.0		20.1	22.6	22.6	21.1
June	26.8		25.8	27.3	25.0	26.3
July	30.0		31.0	30.1	30.5	29.3
August	30.3		31.0	30.3	30.6	29.8
September	26.3		27.8	25.3	24.5	27.3
October	21.1		22.6	20.5	18.3	23.0
November	17.0		18.3	17.6	15.9	15.3
December	12.6		13.4	14.3	12.0	13.5
Average	18.8	12.4	20.0	19.5	19.0	19.6

40th highest temperature of Türkiye

Average highest temperature per day

The maximum temperature is typically observed some hours after noon.

Minimum temperatures (°C)

Month	Average	2024	2023	2022	2021	2020
January	4.7	5	7	3	6	4
February	4.9	7	4	4	4	5
March	6.1	7	8	3	4	7
April	9.0		10	9	8	8
May	14.3		14	13	14	13
June	19.4		19	19	18	18
July	22.1		23	21	23	22
August	22.6		24	21	23	22
September	19.1		20	18	17	21
October	14.5		16	14	13	16
November	11.2		12	12	10	9
December	7.7		8	10	7	9
Average	12.2	6.4	13.7	12.2	12.3	12.9

49th lowest temperature of Türkiye

Average lowest temperature per day

The minimum temperature is typically observed just before sunrise.

Cold and hot days

Number of days	2024	2023	2022	2021	2020
30 °C or warmer	0	42	34	32	32
25 °C or warmer	0	109	108	97	117
20 °C or warmer	4	173	168	154	165
0 °C or colder	1	2	16	14	3

Precipitation (%)

Month	Average	2024	2023	2022	2021	2020
January	19.2	19	9	15	23	18
February	13.6	5	15	18	12	12
March	12.2	14	14	19	18	6
April	7.1		16	7	10	7
May	4.5		6	2	4	6
June	3.4		3	5	5	3
July	1.1		0	1	2	0
August	0.6		0	1	0	1
September	1.9		1	3	2	0
October	5.1		6	2	8	5
November	7.7		13	3	7	7
December	15.3		16	10	21	12
Average	7.6	12.5	7.5	6.6	8.5	5.7

Precipitation during daylight period

Percentage of observations with observed rain, drizzle, snow or hail. Only observations between sunrise and sunset are taken into account.

Wind speed (km/h)

Month	Average	2024	2023	2022	2021	2020
January	19.2	21	16	20	18	21
February	18.1	14	21	17	17	20
March	16.7	12	17	18	17	18
April	15.7		16	15	15	20
May	15.7		18	16	15	15
June	16.1		19	18	13	14
July	18.9		18	23	18	22
August	21.2		24	19	19	20
September	19.0		23	16	20	20
October	16.8		17	20	20	12
November	16.9		18	17	16	18
December	18.5		18	20	19	16
Average	17.5	15.2	18.9	18.3	17.1	17.8

8th highest wind speed of Türkiye

Average wind speed

Excluding wind gusts. Only observations between sunrise and sunset are taken into account.

Prevailing wind direction

Month	2024	2023	2022	2021	2020
January	N	N	NW	SW	N
February	W	NW	N	N	NW
March	NW	N	N	N	N
April		N	N	N	NE
May		NE	NE	NE	N
June		NE	NE	NW	NW
July		NE	NE	NE	NE
August		NE	NE	NE	NE
September		NE	NE	NE	N
October		N	NE	NE	NW
November		SW	NE	NE	NE
December		NW	NE	W	NE

Prevailing wind direction

Average wind direction, weighed by wind speed. Only observations between sunrise and sunset are taken into account.

Istanbul weather Q&A

What is the warmest month in Istanbul?

The warmest month is August with an average temperature of 30 °C over the past years.

What is the coldest month in Istanbul?

The coldest month is January with an average daytime temperature of 10 °C in the past few years.

Which month is the wettest in Istanbul?

Chance of precipitation is the highest in January with a probability of around 19.2 %.

Which month is the driest in Istanbul?

The least rainfall and snow can be expected in August. The probability is about 0.6 %.