İzmir climate

Name: İzmir
Address: TR

İzmir is warmest in August, with average highs of 35 °C, and coldest in January, when nights average 3.0 °C. December is the wettest month (109 mm) and July the driest (3.3 mm). Figures are 1991–2020 climate normals.

Across a full year İzmir averages 707 mm of rain, 150 days above 25 °C and 19 days below freezing.

Turkey · population 2,938,292 · 1991–2020 normals

Temperature below 0 °C to above 30 °C Rain band height is that month’s share of the wettest month

Warmest month August 35 °C
Coldest month January 3.0 °C
Driest month July 3 mm
Wettest month December 109 mm
Least cloud July 5 % cloud
Hottest on record July 44 °C
Coldest on record February -10 °C
Warmest sea August 24 °C

What to expectİzmir through the year

İzmir has a clear annual cycle: average daily highs run from 11 °C in January to 35 °C in August, a swing of 21 °C in mean temperature across the year.

Counted across a normal year, 150 days a year reach 25 °C, 99 of them reach 30 °C, 19 nights drop below freezing. The warmest reading in the 1991–2020 record is 44 °C, in July.

Rain is strongly seasonal. December averages 109 mm against 3 mm in July — 33 times as much. Planning around the dry months matters more here than planning around temperature.

The sea off İzmir is warmest in August at 24 °C and coldest in March at 16 °C. Sea temperature lags the air by a month or two, which is why late summer swims warmer than early summer at the same air temperature.

Month by month

Month	Avg high	Rainfall	Cloud
January	11.2 °C	108 mm	53 %
February	12.6 °C	100 mm	54 %
March	15.7 °C	83 mm	48 %
April	20.0 °C	62 mm	45 %
May	25.7 °C	40 mm	34 %
June	31.3 °C	15 mm	16 %
July	35.1 °C	3 mm	5 %
August	35.2 °C	4 mm	5 %
September	29.8 °C	24 mm	15 %
October	23.7 °C	64 mm	33 %
November	17.5 °C	95 mm	45 %
December	12.5 °C	109 mm	56 %

Temperature month by month

Month	Avg high	Avg low	Mean	Record high	Record low	Days above 25 °C	Days above 30 °C	Days below 0 °C
January	11.2 °C	3.0 °C	6.8 °C	18.9 °C	-7.0 °C	0	0	7
February	12.6 °C	3.5 °C	7.9 °C	24.8 °C	-10.4 °C	0	0	6
March	15.7 °C	5.5 °C	10.5 °C	26.4 °C	-2.6 °C	0	0	2
April	20.0 °C	9.2 °C	14.6 °C	32.2 °C	0.0 °C	3	0	0
May	25.7 °C	14.1 °C	20.0 °C	36.3 °C	6.5 °C	17	4	0
June	31.3 °C	18.7 °C	25.1 °C	42.6 °C	12.3 °C	29	18	0
July	35.1 °C	21.4 °C	28.3 °C	44.1 °C	16.1 °C	31	30	0
August	35.2 °C	21.6 °C	28.2 °C	42.3 °C	16.5 °C	31	30	0
September	29.8 °C	17.8 °C	23.6 °C	42.0 °C	10.4 °C	27	15	0
October	23.7 °C	13.4 °C	18.2 °C	36.2 °C	4.3 °C	12	2	0
November	17.5 °C	8.5 °C	12.7 °C	29.4 °C	-2.2 °C	1	0	0
December	12.5 °C	4.8 °C	8.3 °C	22.3 °C	-7.4 °C	0	0	4

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind	Sea temp
January	108 mm	10	9.8 h/day	53 %	80 %	13 km/h	16.3 °C
February	100 mm	10	11 h/day	54 %	77 %	14 km/h	15.9 °C
March	83 mm	9	12 h/day	48 %	74 %	15 km/h	15.8 °C
April	62 mm	8	13 h/day	45 %	70 %	14 km/h	16.5 °C
May	40 mm	6	14 h/day	34 %	64 %	14 km/h	18.8 °C
June	15 mm	3	15 h/day	16 %	54 %	15 km/h	21.9 °C
July	3 mm	1	15 h/day	5 %	47 %	17 km/h	23.2 °C
August	4 mm	1	14 h/day	5 %	49 %	16 km/h	23.7 °C
September	24 mm	3	12 h/day	15 %	58 %	14 km/h	22.7 °C
October	64 mm	6	11 h/day	33 %	70 %	12 km/h	21.0 °C
November	95 mm	8	10 h/day	45 %	77 %	12 km/h	18.8 °C
December	109 mm	11	9.5 h/day	56 %	82 %	13 km/h	17.3 °C

How İzmir compares

The same four figures for nearby destinations, so the numbers above have something to be read against. Summer high is the warmest month's average high; winter low is the coldest month's average low.

Destination	Summer high	Winter low	Rain per year	Days above 25 °C
İzmir	35 °C	3.0 °C	707 mm	150
Karabağlar · Turkey	36 °C	3.3 °C	711 mm	155
Konak · Turkey	35 °C	3.2 °C	646 mm	149
Karşıyaka · Turkey	35 °C	3.7 °C	646 mm	154
Aydın · Turkey	37 °C	2.9 °C	736 mm	164
Balıkesir · Turkey	31 °C	1.5 °C	569 mm	124
Merkezefendi · Turkey	35 °C	1.2 °C	443 mm	155

Where İzmir ranks

Ranking	Position	Value
Best beach destinations in Asia in September	14th of 50	94/100
Best beach destinations in Asia in June	26th of 50	87/100

Planning a trip? See the best time to visit İzmir.

QuestionsCommon questions about İzmir’s climate

When is the best time to visit İzmir?

That depends on what you want, so the honest answer is a comparison rather than a single month. May, September, October sit closest to 20 °C on average, August is the warmest month and July the driest. The month-by-month table above has the full picture.

How hot does İzmir get?

In August, the warmest month, daily highs average 35 °C. About 99 days a year pass 30 °C. The highest value in the 1991–2020 record is 44 °C.

How cold does it get in winter?

Nights average 3.0 °C in January, the coldest month. A normal year has 19 nights below freezing.

Which month is wettest in İzmir?

December, averaging 109 mm over 11 days with rain. The driest month is July with 3 mm. The year as a whole averages 707 mm.

Are these figures a forecast?

No. They are 1991–2020 climate normals: the average of thirty years, which describes what a month is usually like in İzmir rather than what any particular week will bring. Individual years can differ substantially from the normal.

Data sources and method

ERA5 / ERA5-Land reanalysis — Copernicus Climate Change Service (C3S), ECMWF. Copernicus Licence
Open-Meteo — Open-Meteo.com. CC BY 4.0
NOAA OISST v2.1 — NOAA Physical Sciences Laboratory. Public domain
GeoNames — GeoNames.org. CC BY 4.0

Normal period: 1991–2020
Data point: 38.413°, 27.138° (the coordinates the reanalysis values are taken for)
Dataset version: era5-1991-2020-scores1.1
Last processed: 1 August 2026

Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: monthly rankings, daylight hours, beach and comfort scores. Full formulas are on the methodology page.

Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.