Bīrjand climate

Name: Bīrjand
Address: IR

Bīrjand is warmest in July, with average highs of 34 °C, and coldest in January, when nights average -1.4 °C. February is the wettest month (44 mm) and July the driest (0.09 mm). Figures are 1991–2020 climate normals.

Across a full year Bīrjand averages 186 mm of rain, 176 days above 25 °C and 50 days below freezing.

Iran · population 196,982 · 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 34 °C
Coldest month January -1.4 °C
Driest month July 0 mm
Wettest month February 44 mm
Least cloud August 2 % cloud
Hottest on record June 42 °C
Coldest on record January -23 °C

What to expectBīrjand through the year

Bīrjand has a clear annual cycle: average daily highs run from 9.6 °C in January to 34 °C in July, a swing of 23 °C in mean temperature across the year.

Counted across a normal year, 176 days a year reach 25 °C, 118 of them reach 30 °C, 50 nights drop below freezing. The warmest reading in the 1991–2020 record is 42 °C, in June.

Rain is strongly seasonal. February averages 44 mm against 0 mm in July — 507 times as much. Planning around the dry months matters more here than planning around temperature.

Month by month

Month	Avg high	Rainfall	Cloud
January	9.6 °C	36 mm	36 %
February	12.0 °C	44 mm	37 %
March	17.2 °C	44 mm	39 %
April	23.9 °C	19 mm	37 %
May	29.6 °C	6 mm	25 %
June	33.7 °C	1 mm	7 %
July	34.0 °C	under 1 mm	3 %
August	32.6 °C	under 1 mm	2 %
September	29.9 °C	1 mm	2 %
October	24.7 °C	3 mm	10 %
November	17.3 °C	10 mm	26 %
December	12.2 °C	23 mm	31 %

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	9.6 °C	-1.4 °C	4.2 °C	20.5 °C	-22.6 °C	0	0	18
February	12.0 °C	0.4 °C	6.4 °C	26.2 °C	-17.9 °C	0	0	12
March	17.2 °C	4.7 °C	11.4 °C	31.6 °C	-6.5 °C	2	0	4
April	23.9 °C	9.8 °C	17.6 °C	34.5 °C	-3.6 °C	13	3	0
May	29.6 °C	14.5 °C	23.1 °C	38.3 °C	1.9 °C	27	16	0
June	33.7 °C	18.5 °C	26.9 °C	41.6 °C	11.5 °C	30	26	0
July	34.0 °C	20.2 °C	27.4 °C	40.8 °C	13.8 °C	31	29	0
August	32.6 °C	18.0 °C	25.7 °C	40.6 °C	9.4 °C	31	26	0
September	29.9 °C	13.8 °C	22.4 °C	36.6 °C	3.9 °C	28	16	0
October	24.7 °C	9.9 °C	17.8 °C	33.5 °C	0.6 °C	14	2	0
November	17.3 °C	4.7 °C	11.2 °C	26.8 °C	-5.9 °C	1	0	3
December	12.2 °C	0.8 °C	6.5 °C	24.2 °C	-11.2 °C	0	0	12

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind
January	36 mm	7	10 h/day	36 %	60 %	15 km/h
February	44 mm	8	11 h/day	37 %	58 %	17 km/h
March	44 mm	8	12 h/day	39 %	51 %	19 km/h
April	19 mm	5	13 h/day	37 %	40 %	19 km/h
May	6 mm	1	14 h/day	25 %	28 %	19 km/h
June	1 mm	0	14 h/day	7 %	22 %	21 km/h
July	under 1 mm	0	14 h/day	3 %	23 %	24 km/h
August	under 1 mm	0	13 h/day	2 %	22 %	22 km/h
September	1 mm	0	12 h/day	2 %	23 %	18 km/h
October	3 mm	1	11 h/day	10 %	29 %	16 km/h
November	10 mm	2	10 h/day	26 %	44 %	15 km/h
December	23 mm	4	10 h/day	31 %	53 %	14 km/h

How Bīrjand 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
Bīrjand	34 °C	-1.4 °C	186 mm	176
Herāt · Afghanistan	35 °C	-2.1 °C	268 mm	177
Marāgheh · Iran	30 °C	-5.2 °C	299 mm	120
Kerman · Iran	35 °C	-0.1 °C	117 mm	176
Neyshābūr · Iran	34 °C	-3.4 °C	294 mm	155
Mashhad · Iran	33 °C	-4.1 °C	279 mm	150
Sabzevar · Iran	36 °C	-1.5 °C	184 mm	176

Where Bīrjand ranks

Ranking	Position	Value
The driest places in Asia in July	39th of 50	0.09 mm
The driest places in Asia in October	39th of 50	2.7 mm

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

QuestionsCommon questions about Bīrjand’s climate

When is the best time to visit Bīrjand?

That depends on what you want, so the honest answer is a comparison rather than a single month. April, September, October sit closest to 20 °C on average, July is the warmest month and July the driest. The month-by-month table above has the full picture.

How hot does Bīrjand get?

In July, the warmest month, daily highs average 34 °C. About 118 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 -1.4 °C in January, the coldest month. A normal year has 50 nights below freezing.

Which month is wettest in Bīrjand?

February, averaging 44 mm over 8 days with rain. The driest month is July with 0 mm. The year as a whole averages 186 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 Bīrjand 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: 32.866°, 59.221° (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.