Ahvaz climate

Name: Ahvaz
Address: IR

Ahvaz is warmest in July, with average highs of 47 °C, and coldest in January, when nights average 7.5 °C. December is the wettest month (71 mm) and June the driest (0.2 mm). Figures are 1991–2020 climate normals.

Across a full year Ahvaz averages 298 mm of rain, 251 days above 25 °C and 0 days below freezing.

Iran · population 841,145 · 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 47 °C
Coldest month January 7.5 °C
Driest month June 0 mm
Wettest month December 71 mm
Least cloud July 3 % cloud
Hottest on record July 52 °C
Coldest on record February -0.8 °C

What to expectAhvaz through the year

Ahvaz has a clear annual cycle: average daily highs run from 17 °C in January to 47 °C in July, a swing of 28 °C in mean temperature across the year.

Counted across a normal year, 251 days a year reach 25 °C, 214 of them reach 30 °C, 0 nights drop below freezing. The warmest reading in the 1991–2020 record is 52 °C, in July.

Rain is strongly seasonal. December averages 71 mm against 0 mm in June — 428 times as much. Planning around the dry months matters more here than planning around temperature.

Month by month

Month	Avg high	Rainfall	Cloud
January	17.4 °C	58 mm	40 %
February	20.2 °C	35 mm	33 %
March	25.8 °C	41 mm	33 %
April	32.7 °C	19 mm	36 %
May	40.2 °C	5 mm	25 %
June	45.4 °C	under 1 mm	3 %
July	47.1 °C	under 1 mm	3 %
August	46.9 °C	1 mm	3 %
September	42.9 °C	1 mm	3 %
October	36.2 °C	7 mm	16 %
November	25.7 °C	60 mm	34 %
December	19.1 °C	71 mm	40 %

Temperature month by month

Month	Avg high	Avg low	Mean	Record high	Record low	Days above 25 °C	Days above 30 °C
January	17.4 °C	7.5 °C	12.2 °C	28.7 °C	-0.4 °C	0	0
February	20.2 °C	8.7 °C	14.3 °C	30.6 °C	-0.8 °C	2	0
March	25.8 °C	12.6 °C	19.3 °C	39.6 °C	2.6 °C	17	5
April	32.7 °C	18.4 °C	25.9 °C	43.5 °C	6.5 °C	29	22
May	40.2 °C	24.7 °C	33.1 °C	48.6 °C	15.4 °C	31	31
June	45.4 °C	29.1 °C	37.8 °C	51.1 °C	23.7 °C	30	30
July	47.1 °C	31.5 °C	39.7 °C	52.4 °C	26.0 °C	31	31
August	46.9 °C	30.9 °C	39.3 °C	51.3 °C	25.4 °C	31	31
September	42.9 °C	26.7 °C	35.1 °C	49.3 °C	20.5 °C	30	30
October	36.2 °C	21.6 °C	28.9 °C	45.1 °C	12.7 °C	31	30
November	25.7 °C	14.4 °C	19.8 °C	35.2 °C	4.0 °C	17	5
December	19.1 °C	9.2 °C	13.8 °C	27.3 °C	0.7 °C	1	0

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind
January	58 mm	7	10 h/day	40 %	74 %	16 km/h
February	35 mm	5	11 h/day	33 %	65 %	18 km/h
March	41 mm	4	12 h/day	33 %	50 %	20 km/h
April	19 mm	3	13 h/day	36 %	37 %	21 km/h
May	5 mm	1	14 h/day	25 %	20 %	22 km/h
June	under 1 mm	0	14 h/day	3 %	13 %	24 km/h
July	under 1 mm	0	14 h/day	3 %	15 %	22 km/h
August	1 mm	0	13 h/day	3 %	18 %	20 km/h
September	1 mm	0	12 h/day	3 %	20 %	18 km/h
October	7 mm	1	11 h/day	16 %	31 %	16 km/h
November	60 mm	4	11 h/day	34 %	56 %	16 km/h
December	71 mm	7	10 h/day	40 %	74 %	15 km/h

How Ahvaz 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
Ahvaz	47 °C	7.5 °C	298 mm	251
Bandar-e Māhshahr · Iran	46 °C	8.2 °C	274 mm	251
Dezful · Iran	46 °C	5.7 °C	639 mm	232
Basrah · Iraq	47 °C	7.6 °C	156 mm	257
Al ‘Amārah · Iraq	47 °C	7.1 °C	206 mm	249
Ḩawallī · Kuwait	43 °C	9.6 °C	126 mm	243

Where Ahvaz ranks

Ranking	Position	Value
The warmest places in Asia in August	1st of 50	47 °C
The warmest places in Asia in July	1st of 50	47 °C
The warmest places in Asia in June	1st of 50	45 °C
The warmest places in the world in August	1st of 50	47 °C
The warmest places in the world in July	1st of 50	47 °C
The warmest places in the world in June	1st of 50	45 °C

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

QuestionsCommon questions about Ahvaz’s climate

When is the best time to visit Ahvaz?

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

How hot does Ahvaz get?

In July, the warmest month, daily highs average 47 °C. About 214 days a year pass 30 °C. The highest value in the 1991–2020 record is 52 °C.

How cold does it get in winter?

Nights average 7.5 °C in January, the coldest month. A normal year has 0 nights below freezing.

Which month is wettest in Ahvaz?

December, averaging 71 mm over 7 days with rain. The driest month is June with 0 mm. The year as a whole averages 298 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 Ahvaz 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: 31.319°, 48.684° (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.