Būkān climate

Name: Būkān
Address: IR

Būkān is warmest in July, with average highs of 35 °C, and coldest in January, when nights average -5.1 °C. March is the wettest month (55 mm) and August the driest (1.1 mm). Figures are 1991–2020 climate normals.

Across a full year Būkān averages 324 mm of rain, 141 days above 25 °C and 99 days below freezing.

Iran · 1,365 m elevation · population 193,501 · 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 -5.1 °C
Driest month August 1 mm
Wettest month March 55 mm
Least cloud September 7 % cloud
Hottest on record July 42 °C
Coldest on record January -23 °C

What to expectBūkān through the year

Būkān has a clear annual cycle: average daily highs run from 4.5 °C in January to 35 °C in July, a swing of 28 °C in mean temperature across the year.

Counted across a normal year, 141 days a year reach 25 °C, 97 of them reach 30 °C, 99 nights drop below freezing. The warmest reading in the 1991–2020 record is 42 °C, in July.

Rain is strongly seasonal. March averages 55 mm against 1 mm in August — 49 times as much. Planning around the dry months matters more here than planning around temperature.

Month by month

Month	Avg high	Rainfall	Cloud
January	4.5 °C	40 mm	53 %
February	6.5 °C	46 mm	51 %
March	12.1 °C	55 mm	50 %
April	18.0 °C	50 mm	47 %
May	24.2 °C	29 mm	35 %
June	31.1 °C	5 mm	11 %
July	35.2 °C	2 mm	10 %
August	35.0 °C	1 mm	8 %
September	29.8 °C	2 mm	7 %
October	22.4 °C	17 mm	27 %
November	13.0 °C	39 mm	43 %
December	7.1 °C	38 mm	52 %

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	4.5 °C	-5.1 °C	-0.6 °C	16.1 °C	-23.5 °C	0	0	28
February	6.5 °C	-4.0 °C	1.0 °C	17.5 °C	-21.0 °C	0	0	24
March	12.1 °C	0.3 °C	6.1 °C	24.9 °C	-18.7 °C	0	0	14
April	18.0 °C	5.0 °C	11.7 °C	30.2 °C	-7.3 °C	1	0	2
May	24.2 °C	10.3 °C	17.6 °C	34.1 °C	1.4 °C	13	1	0
June	31.1 °C	15.6 °C	23.8 °C	40.6 °C	8.0 °C	29	20	0
July	35.2 °C	19.2 °C	27.6 °C	41.8 °C	12.4 °C	31	30	0
August	35.0 °C	18.9 °C	27.3 °C	40.8 °C	10.8 °C	31	30	0
September	29.8 °C	13.9 °C	22.0 °C	38.3 °C	3.9 °C	28	15	0
October	22.4 °C	8.5 °C	15.3 °C	30.6 °C	0.8 °C	8	0	0
November	13.0 °C	1.8 °C	7.0 °C	23.3 °C	-19.2 °C	0	0	8
December	7.1 °C	-2.7 °C	1.6 °C	20.0 °C	-19.5 °C	0	0	23

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind
January	40 mm	7	9.9 h/day	53 %	72 %	13 km/h
February	46 mm	8	11 h/day	51 %	71 %	15 km/h
March	55 mm	10	12 h/day	50 %	65 %	18 km/h
April	50 mm	9	13 h/day	47 %	59 %	19 km/h
May	29 mm	7	14 h/day	35 %	47 %	19 km/h
June	5 mm	2	15 h/day	11 %	31 %	18 km/h
July	2 mm	1	14 h/day	10 %	29 %	16 km/h
August	1 mm	0	14 h/day	8 %	27 %	16 km/h
September	2 mm	1	12 h/day	7 %	31 %	16 km/h
October	17 mm	3	11 h/day	27 %	46 %	15 km/h
November	39 mm	6	10 h/day	43 %	64 %	13 km/h
December	38 mm	7	9.7 h/day	52 %	71 %	13 km/h

How Būkān 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
Būkān	35 °C	-5.1 °C	324 mm	141
Saqqez · Iran	34 °C	-6.8 °C	413 mm	130
Mahābād · Iran	34 °C	-5.7 °C	335 mm	136
Marāgheh · Iran	32 °C	-6.3 °C	429 mm	122
Piranshahr · Iran	33 °C	-6.5 °C	663 mm	123
Sulaymaniyah · Iraq	39 °C	-1.4 °C	712 mm	172
Sanandaj · Iran	35 °C	-7.1 °C	428 mm	140

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

QuestionsCommon questions about Būkān’s climate

When is the best time to visit Būkān?

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 Būkān get?

In July, the warmest month, daily highs average 35 °C. About 97 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 -5.1 °C in January, the coldest month. A normal year has 99 nights below freezing.

Which month is wettest in Būkān?

March, averaging 55 mm over 10 days with rain. The driest month is August with 1 mm. The year as a whole averages 324 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 Būkān 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: 36.521°, 46.209° , 1365 m above sea level (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.