Kermanshah climate

Name: Kermanshah
Address: IR

Kermanshah is warmest in July, with average highs of 37 °C, and coldest in January, when nights average -2.9 °C. March is the wettest month (88 mm) and August the driest (0.1 mm). Figures are 1991–2020 climate normals.

Across a full year Kermanshah averages 500 mm of rain, 154 days above 25 °C and 71 days below freezing.

Iran · population 621,100 · 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 37 °C
Coldest month January -2.9 °C
Driest month August 0 mm
Wettest month March 88 mm
Least cloud September 5 % cloud
Hottest on record July 42 °C
Coldest on record February -23 °C

What to expectKermanshah through the year

Kermanshah has a clear annual cycle: average daily highs run from 6.5 °C in January to 37 °C in July, a swing of 28 °C in mean temperature across the year.

Counted across a normal year, 154 days a year reach 25 °C, 111 of them reach 30 °C, 71 nights drop below freezing. The warmest reading in the 1991–2020 record is 42 °C, in July.

Rain is strongly seasonal. March averages 88 mm against 0 mm in August — 755 times as much. Planning around the dry months matters more here than planning around temperature.

Month by month

Month	Avg high	Rainfall	Cloud
January	6.5 °C	72 mm	51 %
February	8.5 °C	77 mm	50 %
March	13.5 °C	88 mm	47 %
April	19.1 °C	74 mm	43 %
May	25.2 °C	27 mm	30 %
June	32.3 °C	2 mm	6 %
July	36.6 °C	under 1 mm	6 %
August	36.5 °C	under 1 mm	5 %
September	31.5 °C	1 mm	5 %
October	24.2 °C	27 mm	25 %
November	14.8 °C	67 mm	41 %
December	9.2 °C	63 mm	50 %

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	6.5 °C	-2.9 °C	1.6 °C	15.9 °C	-21.8 °C	0	0	24
February	8.5 °C	-1.7 °C	3.3 °C	18.1 °C	-22.8 °C	0	0	19
March	13.5 °C	2.0 °C	7.8 °C	28.9 °C	-13.0 °C	0	0	8
April	19.1 °C	6.7 °C	13.2 °C	30.5 °C	-4.7 °C	2	0	1
May	25.2 °C	12.0 °C	19.0 °C	35.0 °C	3.7 °C	16	3	0
June	32.3 °C	17.3 °C	25.4 °C	40.1 °C	9.8 °C	30	24	0
July	36.6 °C	20.9 °C	29.3 °C	42.3 °C	14.2 °C	31	31	0
August	36.5 °C	20.8 °C	29.2 °C	41.6 °C	13.0 °C	31	31	0
September	31.5 °C	16.4 °C	24.3 °C	38.0 °C	7.1 °C	30	22	0
October	24.2 °C	10.7 °C	17.6 °C	31.5 °C	1.3 °C	14	1	0
November	14.8 °C	3.9 °C	9.2 °C	24.6 °C	-6.7 °C	0	0	4
December	9.2 °C	-0.3 °C	4.1 °C	21.5 °C	-15.4 °C	0	0	16

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind
January	72 mm	10	10 h/day	51 %	71 %	11 km/h
February	77 mm	10	11 h/day	50 %	69 %	12 km/h
March	88 mm	11	12 h/day	47 %	63 %	14 km/h
April	74 mm	11	13 h/day	43 %	57 %	14 km/h
May	27 mm	6	14 h/day	30 %	43 %	14 km/h
June	2 mm	1	14 h/day	6 %	25 %	15 km/h
July	under 1 mm	0	14 h/day	6 %	20 %	14 km/h
August	under 1 mm	0	13 h/day	5 %	19 %	14 km/h
September	1 mm	0	12 h/day	5 %	21 %	14 km/h
October	27 mm	4	11 h/day	25 %	37 %	13 km/h
November	67 mm	8	10 h/day	41 %	58 %	10 km/h
December	63 mm	9	9.9 h/day	50 %	67 %	10 km/h

How Kermanshah 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
Kermanshah	37 °C	-2.9 °C	500 mm	154
Sanandaj · Iran	35 °C	-7.1 °C	428 mm	140
Hamadān · Iran	35 °C	-4.9 °C	410 mm	137
Khorramabad · Iran	38 °C	-3.0 °C	573 mm	169
Khānaqīn · Iraq	44 °C	4.5 °C	402 mm	218
Malāyer · Iran	34 °C	-6.9 °C	361 mm	133
Borūjerd · Iran	35 °C	-5.2 °C	512 mm	145

Where Kermanshah ranks

Ranking	Position	Value
Places with the best weather in Asia in May	27th of 50	93/100

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

QuestionsCommon questions about Kermanshah’s climate

When is the best time to visit Kermanshah?

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 Kermanshah get?

In July, the warmest month, daily highs average 37 °C. About 111 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 -2.9 °C in January, the coldest month. A normal year has 71 nights below freezing.

Which month is wettest in Kermanshah?

March, averaging 88 mm over 11 days with rain. The driest month is August with 0 mm. The year as a whole averages 500 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 Kermanshah 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: 34.314°, 47.065° (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.