Adapazarı climate

Name: Adapazarı
Address: TR

Adapazarı is warmest in August, with average highs of 28 °C, and coldest in January, when nights average 0.01 °C. December is the wettest month (105 mm) and July the driest (42 mm). Figures are 1991–2020 climate normals.

Across a full year Adapazarı averages 918 mm of rain, 93 days above 25 °C and 45 days below freezing.

Turkey · population 286,787 · 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 28 °C
Coldest month January 0.01 °C
Driest month July 42 mm
Wettest month December 105 mm
Least cloud July 38 % cloud
Hottest on record July 40 °C
Coldest on record February -17 °C

What to expectAdapazarı through the year

Adapazarı has a clear annual cycle: average daily highs run from 8.4 °C in January to 28 °C in August, a swing of 19 °C in mean temperature across the year.

Counted across a normal year, 93 days a year reach 25 °C, 18 of them reach 30 °C, 45 nights drop below freezing. The warmest reading in the 1991–2020 record is 40 °C, in July.

Rain is strongly seasonal. December averages 105 mm against 42 mm in July — 2.5 times as much. Planning around the dry months matters more here than planning around temperature.

Month by month

Month	Avg high	Rainfall	Cloud
January	8.4 °C	98 mm	69 %
February	9.9 °C	89 mm	68 %
March	13.0 °C	96 mm	66 %
April	17.5 °C	73 mm	61 %
May	21.7 °C	76 mm	56 %
June	25.3 °C	73 mm	45 %
July	27.4 °C	42 mm	38 %
August	27.8 °C	44 mm	39 %
September	24.5 °C	58 mm	46 %
October	20.0 °C	86 mm	59 %
November	15.0 °C	78 mm	61 %
December	10.0 °C	105 mm	69 %

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	8.4 °C	0.0 °C	3.8 °C	20.9 °C	-16.3 °C	0	0	14
February	9.9 °C	0.3 °C	4.8 °C	25.3 °C	-17.2 °C	0	0	12
March	13.0 °C	2.5 °C	7.6 °C	29.1 °C	-10.8 °C	0	0	7
April	17.5 °C	6.2 °C	11.9 °C	33.4 °C	-6.3 °C	2	0	1
May	21.7 °C	10.9 °C	16.5 °C	35.0 °C	2.8 °C	7	1	0
June	25.3 °C	15.1 °C	20.5 °C	39.1 °C	6.8 °C	15	2	0
July	27.4 °C	17.7 °C	22.6 °C	39.8 °C	10.9 °C	25	5	0
August	27.8 °C	18.5 °C	22.9 °C	37.8 °C	11.7 °C	26	7	0
September	24.5 °C	14.8 °C	19.5 °C	37.3 °C	6.3 °C	13	3	0
October	20.0 °C	11.0 °C	15.2 °C	35.1 °C	-0.6 °C	4	0	0
November	15.0 °C	5.8 °C	9.9 °C	26.5 °C	-9.9 °C	0	0	2
December	10.0 °C	2.0 °C	5.6 °C	25.6 °C	-15.7 °C	0	0	9

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind
January	98 mm	13	9.6 h/day	69 %	84 %	10 km/h
February	89 mm	13	11 h/day	68 %	82 %	11 km/h
March	96 mm	13	12 h/day	66 %	80 %	11 km/h
April	73 mm	11	13 h/day	61 %	79 %	11 km/h
May	76 mm	10	14 h/day	56 %	79 %	10 km/h
June	73 mm	10	15 h/day	45 %	78 %	10 km/h
July	42 mm	6	15 h/day	38 %	76 %	12 km/h
August	44 mm	6	14 h/day	39 %	76 %	13 km/h
September	58 mm	8	12 h/day	46 %	78 %	11 km/h
October	86 mm	10	11 h/day	59 %	82 %	9.9 km/h
November	78 mm	10	9.9 h/day	61 %	83 %	9.9 km/h
December	105 mm	13	9.3 h/day	69 %	84 %	10 km/h

How Adapazarı 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
Adapazarı	28 °C	0.01 °C	918 mm	93
İzmit · Turkey	28 °C	1.4 °C	919 mm	104
Düzce · Turkey	27 °C	-0.6 °C	1,072 mm	83
Gebze · Turkey	28 °C	2.1 °C	684 mm	83
Bolu · Turkey	26 °C	-2.8 °C	990 mm	62
Eskişehir · Turkey	29 °C	-3.3 °C	413 mm	97
Istanbul · Turkey	28 °C	4.0 °C	677 mm	85

Where Adapazarı ranks

Ranking	Position	Value
Places with the best weather in Asia in July	40th of 50	83/100

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

QuestionsCommon questions about Adapazarı’s climate

When is the best time to visit Adapazarı?

That depends on what you want, so the honest answer is a comparison rather than a single month. June, July, September 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 Adapazarı get?

In August, the warmest month, daily highs average 28 °C. About 18 days a year pass 30 °C. The highest value in the 1991–2020 record is 40 °C.

How cold does it get in winter?

Nights average 0.01 °C in January, the coldest month. A normal year has 45 nights below freezing.

Which month is wettest in Adapazarı?

December, averaging 105 mm over 13 days with rain. The driest month is July with 42 mm. The year as a whole averages 918 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 Adapazarı 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: 40.781°, 30.403° (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.