Khorramabad climate

Name: Khorramabad
Address: IR

Khorramabad is warmest in July, with average highs of 38 °C, and coldest in January, when nights average -3.0 °C. March is the wettest month (107 mm) and August the driest (0.08 mm). Figures are 1991–2020 climate normals.

Across a full year Khorramabad averages 573 mm of rain, 169 days above 25 °C and 57 days below freezing.

Iran · population 329,825 · 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 38 °C
Coldest month January -3.0 °C
Driest month August 0 mm
Wettest month March 107 mm
Least cloud September 4 % cloud
Hottest on record August 44 °C
Coldest on record January -26 °C

What to expectKhorramabad through the year

Khorramabad has a clear annual cycle: average daily highs run from 7.3 °C in January to 38 °C in July, a swing of 29 °C in mean temperature across the year.

Counted across a normal year, 169 days a year reach 25 °C, 127 of them reach 30 °C, 57 nights drop below freezing. The warmest reading in the 1991–2020 record is 44 °C, in August.

Rain is strongly seasonal. March averages 107 mm against 0 mm in August — 1,280 times as much. Planning around the dry months matters more here than planning around temperature.

Month by month

Month	Avg high	Rainfall	Cloud
January	7.3 °C	97 mm	49 %
February	9.3 °C	91 mm	47 %
March	14.6 °C	107 mm	46 %
April	20.6 °C	78 mm	43 %
May	27.2 °C	21 mm	29 %
June	34.5 °C	1 mm	6 %
July	38.2 °C	under 1 mm	7 %
August	38.0 °C	under 1 mm	7 %
September	33.4 °C	1 mm	4 %
October	26.0 °C	26 mm	22 %
November	16.6 °C	65 mm	40 %
December	10.7 °C	87 mm	47 %

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	7.3 °C	-3.0 °C	2.1 °C	18.5 °C	-25.8 °C	0	0	21
February	9.3 °C	-1.3 °C	4.1 °C	19.5 °C	-19.2 °C	0	0	15
March	14.6 °C	3.0 °C	9.2 °C	29.4 °C	-19.4 °C	0	0	6
April	20.6 °C	8.1 °C	15.0 °C	31.3 °C	-3.4 °C	4	0	0
May	27.2 °C	13.3 °C	21.1 °C	36.7 °C	4.0 °C	22	7	0
June	34.5 °C	18.3 °C	27.7 °C	41.8 °C	10.6 °C	30	28	0
July	38.2 °C	22.0 °C	31.3 °C	42.8 °C	15.1 °C	31	31	0
August	38.0 °C	21.6 °C	31.0 °C	43.6 °C	14.7 °C	31	31	0
September	33.4 °C	17.3 °C	26.2 °C	39.4 °C	10.2 °C	30	27	0
October	26.0 °C	12.0 °C	19.4 °C	34.0 °C	2.0 °C	20	4	0
November	16.6 °C	5.3 °C	11.0 °C	26.4 °C	-6.0 °C	0	0	2
December	10.7 °C	0.2 °C	5.4 °C	23.1 °C	-20.1 °C	0	0	12

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind
January	97 mm	10	10 h/day	49 %	75 %	9.1 km/h
February	91 mm	11	11 h/day	47 %	73 %	9.8 km/h
March	107 mm	11	12 h/day	46 %	67 %	11 km/h
April	78 mm	9	13 h/day	43 %	61 %	12 km/h
May	21 mm	4	14 h/day	29 %	45 %	13 km/h
June	1 mm	0	14 h/day	6 %	26 %	12 km/h
July	under 1 mm	0	14 h/day	7 %	21 %	12 km/h
August	under 1 mm	0	13 h/day	7 %	21 %	12 km/h
September	1 mm	0	12 h/day	4 %	24 %	12 km/h
October	26 mm	3	11 h/day	22 %	41 %	11 km/h
November	65 mm	8	10 h/day	40 %	63 %	9.3 km/h
December	87 mm	9	10.0 h/day	47 %	71 %	8.6 km/h

How Khorramabad 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
Khorramabad	38 °C	-3.0 °C	573 mm	169
Borūjerd · Iran	35 °C	-5.2 °C	512 mm	145
Malāyer · Iran	34 °C	-6.9 °C	361 mm	133
Dezful · Iran	46 °C	5.7 °C	639 mm	232
Arāk · Iran	34 °C	-6.6 °C	263 mm	139
Hamadān · Iran	35 °C	-4.9 °C	410 mm	137
Kermanshah · Iran	37 °C	-2.9 °C	500 mm	154

Where Khorramabad ranks

Ranking	Position	Value
The driest places in Asia in August	36th of 50	0.08 mm

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

QuestionsCommon questions about Khorramabad’s climate

When is the best time to visit Khorramabad?

That depends on what you want, so the honest answer is a comparison rather than a single month. April, May, 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 Khorramabad get?

In July, the warmest month, daily highs average 38 °C. About 127 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 57 nights below freezing.

Which month is wettest in Khorramabad?

March, averaging 107 mm over 11 days with rain. The driest month is August with 0 mm. The year as a whole averages 573 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 Khorramabad 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: 33.488°, 48.356° (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.