Orūmīyeh climate

Name: Orūmīyeh
Address: IR

Orūmīyeh is warmest in July, with average highs of 31 °C, and coldest in January, when nights average -5.9 °C. March is the wettest month (57 mm) and August the driest (3.8 mm). Figures are 1991–2020 climate normals.

Across a full year Orūmīyeh averages 361 mm of rain, 109 days above 25 °C and 110 days below freezing.

Iran · population 577,307 · 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 31 °C
Coldest month January -5.9 °C
Driest month August 4 mm
Wettest month March 57 mm
Least cloud August 10 % cloud
Hottest on record July 40 °C
Coldest on record January -20 °C

What to expectOrūmīyeh through the year

Orūmīyeh has a clear annual cycle: average daily highs run from 2.6 °C in January to 31 °C in July, a swing of 27 °C in mean temperature across the year.

Counted across a normal year, 109 days a year reach 25 °C, 45 of them reach 30 °C, 110 nights drop below freezing. The warmest reading in the 1991–2020 record is 40 °C, in July.

Rain is strongly seasonal. March averages 57 mm against 4 mm in August — 15 times as much. Planning around the dry months matters more here than planning around temperature.

Month by month

Month	Avg high	Rainfall	Cloud
January	2.6 °C	39 mm	50 %
February	4.4 °C	43 mm	49 %
March	9.5 °C	57 mm	49 %
April	15.9 °C	46 mm	48 %
May	21.5 °C	41 mm	39 %
June	27.4 °C	12 mm	15 %
July	30.5 °C	6 mm	11 %
August	30.4 °C	4 mm	10 %
September	26.0 °C	8 mm	11 %
October	19.1 °C	25 mm	31 %
November	10.8 °C	41 mm	44 %
December	5.0 °C	40 mm	48 %

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	2.6 °C	-5.9 °C	-1.8 °C	12.7 °C	-19.9 °C	0	0	30
February	4.4 °C	-4.9 °C	-0.4 °C	14.5 °C	-18.9 °C	0	0	27
March	9.5 °C	-0.8 °C	4.4 °C	25.1 °C	-15.0 °C	0	0	19
April	15.9 °C	4.4 °C	10.5 °C	27.4 °C	-6.3 °C	0	0	2
May	21.5 °C	9.7 °C	16.1 °C	32.8 °C	0.5 °C	5	0	0
June	27.4 °C	15.2 °C	21.8 °C	37.7 °C	7.3 °C	23	6	0
July	30.5 °C	19.2 °C	25.1 °C	39.9 °C	12.4 °C	30	17	0
August	30.4 °C	19.0 °C	24.9 °C	37.7 °C	12.5 °C	30	18	0
September	26.0 °C	14.5 °C	20.4 °C	35.6 °C	4.9 °C	19	3	0
October	19.1 °C	8.8 °C	13.9 °C	29.7 °C	1.3 °C	2	0	0
November	10.8 °C	1.8 °C	6.1 °C	22.9 °C	-13.2 °C	0	0	7
December	5.0 °C	-3.4 °C	0.6 °C	17.4 °C	-18.6 °C	0	0	26

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind
January	39 mm	7	9.9 h/day	50 %	72 %	10 km/h
February	43 mm	7	11 h/day	49 %	71 %	11 km/h
March	57 mm	8	12 h/day	49 %	68 %	12 km/h
April	46 mm	8	13 h/day	48 %	62 %	14 km/h
May	41 mm	8	14 h/day	39 %	55 %	14 km/h
June	12 mm	3	15 h/day	15 %	44 %	14 km/h
July	6 mm	1	15 h/day	11 %	43 %	13 km/h
August	4 mm	1	14 h/day	10 %	42 %	12 km/h
September	8 mm	2	12 h/day	11 %	45 %	13 km/h
October	25 mm	5	11 h/day	31 %	57 %	12 km/h
November	41 mm	7	10 h/day	44 %	69 %	9.9 km/h
December	40 mm	7	9.6 h/day	48 %	73 %	9.7 km/h

How Orūmīyeh 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
Orūmīyeh	31 °C	-5.9 °C	361 mm	109
Piranshahr · Iran	33 °C	-6.5 °C	663 mm	123
Marāgheh · Iran	32 °C	-6.3 °C	429 mm	122
Mahābād · Iran	34 °C	-5.7 °C	335 mm	136
Khūy · Iran	33 °C	-6.3 °C	371 mm	129
Tabriz · Iran	32 °C	-5.8 °C	386 mm	117
Būkān · Iran	35 °C	-5.1 °C	324 mm	141

Where Orūmīyeh ranks

Ranking	Position	Value
Places with the best weather in Asia in June	29th of 50	90/100
Places with the best weather in Asia in September	44th of 50	94/100

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

QuestionsCommon questions about Orūmīyeh’s climate

When is the best time to visit Orūmīyeh?

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

In July, the warmest month, daily highs average 31 °C. About 45 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 -5.9 °C in January, the coldest month. A normal year has 110 nights below freezing.

Which month is wettest in Orūmīyeh?

March, averaging 57 mm over 8 days with rain. The driest month is August with 4 mm. The year as a whole averages 361 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 Orūmīyeh 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: 37.553°, 45.076° (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.