Gaziantep climate

Name: Gaziantep
Address: TR

Gaziantep is warmest in July, with average highs of 35 °C, and coldest in January, when nights average -0.3 °C. December is the wettest month (80 mm) and August the driest (1.4 mm). Figures are 1991–2020 climate normals.

Across a full year Gaziantep averages 451 mm of rain, 151 days above 25 °C and 48 days below freezing.

Turkey · population 2,222,415 · 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 July 35 °C
Coldest month January -0.3 °C
Driest month August 1 mm
Wettest month December 80 mm
Least cloud July 5 % cloud
Hottest on record July 42 °C
Coldest on record December -15 °C

What to expectGaziantep through the year

Gaziantep has a clear annual cycle: average daily highs run from 7.4 °C in January to 35 °C in July, a swing of 25 °C in mean temperature across the year.

Counted across a normal year, 151 days a year reach 25 °C, 102 of them reach 30 °C, 48 nights drop below freezing. The warmest reading in the 1991–2020 record is 42 °C, in July.

Rain is strongly seasonal. December averages 80 mm against 1 mm in August — 56 times as much. Planning around the dry months matters more here than planning around temperature.

Month by month

Month	Avg high	Rainfall	Cloud
January	7.4 °C	79 mm	55 %
February	9.2 °C	68 mm	52 %
March	13.9 °C	60 mm	48 %
April	19.1 °C	43 mm	45 %
May	24.9 °C	30 mm	33 %
June	31.0 °C	6 mm	12 %
July	35.3 °C	1 mm	5 %
August	35.3 °C	1 mm	6 %
September	30.7 °C	4 mm	10 %
October	23.7 °C	30 mm	30 %
November	15.1 °C	50 mm	41 %
December	9.3 °C	80 mm	54 %

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	7.4 °C	-0.3 °C	3.3 °C	15.7 °C	-10.0 °C	0	0	17
February	9.2 °C	0.0 °C	4.4 °C	21.7 °C	-15.2 °C	0	0	13
March	13.9 °C	3.3 °C	8.5 °C	26.6 °C	-7.6 °C	0	0	5
April	19.1 °C	7.5 °C	13.3 °C	33.6 °C	-3.4 °C	3	0	0
May	24.9 °C	12.1 °C	18.6 °C	35.4 °C	4.4 °C	16	4	0
June	31.0 °C	16.9 °C	24.1 °C	39.0 °C	9.6 °C	29	18	0
July	35.3 °C	20.2 °C	27.8 °C	42.2 °C	13.7 °C	31	30	0
August	35.3 °C	20.4 °C	27.8 °C	41.6 °C	15.5 °C	31	31	0
September	30.7 °C	17.0 °C	23.7 °C	39.5 °C	7.1 °C	28	18	0
October	23.7 °C	12.0 °C	17.7 °C	33.3 °C	2.0 °C	13	1	0
November	15.1 °C	5.4 °C	9.9 °C	24.5 °C	-9.3 °C	0	0	2
December	9.3 °C	1.4 °C	5.0 °C	23.1 °C	-15.4 °C	0	0	11

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind
January	79 mm	10	9.9 h/day	55 %	77 %	14 km/h
February	68 mm	10	11 h/day	52 %	75 %	15 km/h
March	60 mm	9	12 h/day	48 %	69 %	16 km/h
April	43 mm	8	13 h/day	45 %	65 %	17 km/h
May	30 mm	6	14 h/day	33 %	59 %	18 km/h
June	6 mm	2	15 h/day	12 %	48 %	21 km/h
July	1 mm	0	14 h/day	5 %	45 %	21 km/h
August	1 mm	0	14 h/day	6 %	46 %	19 km/h
September	4 mm	1	12 h/day	10 %	46 %	16 km/h
October	30 mm	4	11 h/day	30 %	53 %	14 km/h
November	50 mm	6	10 h/day	41 %	66 %	13 km/h
December	80 mm	10	9.6 h/day	54 %	76 %	13 km/h

How Gaziantep 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
Gaziantep	35 °C	-0.3 °C	451 mm	151
Kahramanmaraş · Turkey	35 °C	-0.4 °C	573 mm	148
Aleppo · Syria	36 °C	2.4 °C	300 mm	179
Osmaniye · Turkey	33 °C	3.3 °C	811 mm	164
Adıyaman · Turkey	37 °C	-1.4 °C	599 mm	153
İskenderun · Turkey	33 °C	7.6 °C	670 mm	169
Şanlıurfa · Turkey	39 °C	1.1 °C	491 mm	170

Where Gaziantep ranks

Ranking	Position	Value
Places with the best weather in Asia in October	4thof 50	98/100
Places with the best weather in the world in October	4thof 50	98/100

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

QuestionsCommon questions about Gaziantep’s climate

When is the best time to visit Gaziantep?

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, July is the warmest month and August the driest. The month-by-month table above has the full picture.

How hot does Gaziantep get?

In July, the warmest month, daily highs average 35 °C. About 102 days a year pass 30 °C. The highest value in the 1991–2020 record is 42 °C.

How cold does it get in winter?

Nights average -0.3 °C in January, the coldest month. A normal year has 48 nights below freezing.

Which month is wettest in Gaziantep?

December, averaging 80 mm over 10 days with rain. The driest month is August with 1 mm. The year as a whole averages 451 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 Gaziantep 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
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.