Herāt climate

Name: Herāt
Address: AF

Herāt is warmest in July, with average highs of 35 °C, and coldest in January, when nights average -2.1 °C. March is the wettest month (69 mm) and July the driest (0 mm). Figures are 1991–2020 climate normals.

Across a full year Herāt averages 268 mm of rain, 177 days above 25 °C and 69 days below freezing.

Afghanistan · population 574,300 · 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 -2.1 °C
Driest month July 0 mm
Wettest month March 69 mm
Least cloud July 1 % cloud
Hottest on record August 44 °C
Coldest on record January -20 °C

What to expectHerāt through the year

Herāt has a clear annual cycle: average daily highs run from 10.0 °C in January to 35 °C in July, a swing of 25 °C in mean temperature across the year.

Counted across a normal year, 177 days a year reach 25 °C, 123 of them reach 30 °C, 69 nights drop below freezing. The warmest reading in the 1991–2020 record is 44 °C, in August.

Rain is spread fairly evenly through the year, from 0 mm in July to 69 mm in March. There is no dry season to aim for.

Month by month

Month	Avg high	Rainfall	Cloud
January	10.0 °C	50 mm	42 %
February	12.0 °C	62 mm	44 %
March	17.2 °C	69 mm	46 %
April	23.8 °C	33 mm	39 %
May	29.7 °C	5 mm	23 %
June	33.7 °C	under 1 mm	4 %
July	34.9 °C	0 mm	1 %
August	33.5 °C	under 1 mm	1 %
September	30.1 °C	under 1 mm	1 %
October	24.4 °C	2 mm	11 %
November	17.2 °C	17 mm	30 %
December	12.2 °C	28 mm	36 %

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	10.0 °C	-2.1 °C	3.7 °C	22.1 °C	-19.9 °C	0	0	23
February	12.0 °C	-0.7 °C	5.6 °C	27.0 °C	-17.1 °C	0	0	16
March	17.2 °C	3.7 °C	10.6 °C	35.4 °C	-7.3 °C	3	0	6
April	23.8 °C	8.8 °C	16.6 °C	36.0 °C	-3.6 °C	13	3	0
May	29.7 °C	13.5 °C	22.3 °C	40.6 °C	1.3 °C	26	15	0
June	33.7 °C	17.5 °C	26.5 °C	43.1 °C	9.8 °C	30	26	0
July	34.9 °C	20.1 °C	28.2 °C	42.5 °C	12.1 °C	31	30	0
August	33.5 °C	18.1 °C	26.4 °C	43.5 °C	9.3 °C	31	28	0
September	30.1 °C	13.2 °C	21.9 °C	38.9 °C	3.2 °C	27	16	0
October	24.4 °C	8.1 °C	16.1 °C	34.9 °C	-1.7 °C	14	3	0
November	17.2 °C	3.4 °C	10.1 °C	30.5 °C	-7.8 °C	2	0	6
December	12.2 °C	-0.5 °C	5.6 °C	25.2 °C	-12.4 °C	0	0	18

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind
January	50 mm	7	10 h/day	42 %	61 %	13 km/h
February	62 mm	8	11 h/day	44 %	61 %	15 km/h
March	69 mm	9	12 h/day	46 %	59 %	16 km/h
April	33 mm	5	13 h/day	39 %	51 %	16 km/h
May	5 mm	1	14 h/day	23 %	36 %	20 km/h
June	under 1 mm	0	14 h/day	4 %	26 %	25 km/h
July	0 mm	0	14 h/day	1 %	23 %	31 km/h
August	under 1 mm	0	13 h/day	1 %	23 %	30 km/h
September	under 1 mm	0	12 h/day	1 %	27 %	23 km/h
October	2 mm	1	11 h/day	11 %	36 %	16 km/h
November	17 mm	3	10 h/day	30 %	50 %	13 km/h
December	28 mm	5	9.9 h/day	36 %	58 %	12 km/h

How Herāt 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
Herāt	35 °C	-2.1 °C	268 mm	177
Marāgheh · Iran	30 °C	-5.2 °C	299 mm	120
Bīrjand · Iran	34 °C	-1.4 °C	186 mm	176
Mashhad · Iran	33 °C	-4.1 °C	279 mm	150
Mary · Turkmenistan	38 °C	-0.5 °C	157 mm	184
Neyshābūr · Iran	34 °C	-3.4 °C	294 mm	155
Kandahār · Afghanistan	40 °C	-0.1 °C	190 mm	207

Where Herāt ranks

Ranking	Position	Value
The driest places in Africa in July	4thof 50	0 mm
The driest places in Asia in July	4thof 50	0 mm
The driest places in Asia in August	5thof 50	0.01 mm
The coolest places in Africa in January	7thof 50	10.0 °C
The driest places in the world in July	7thof 50	0 mm
The coolest places in Africa in December	10thof 50	12 °C

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

QuestionsCommon questions about Herāt’s climate

When is the best time to visit Herāt?

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

In July, the warmest month, daily highs average 35 °C. About 123 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 -2.1 °C in January, the coldest month. A normal year has 69 nights below freezing.

Which month is wettest in Herāt?

March, averaging 69 mm over 9 days with rain. The driest month is July with 0 mm. The year as a whole averages 268 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 Herāt 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
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.