Al Diwaniyah climate

Name: Al Diwaniyah
Address: IQ

Al Diwaniyah is warmest in August, with average highs of 46 °C, and coldest in January, when nights average 6.1 °C. January is the wettest month (23 mm) and July the driest (0.00 mm). Figures are 1991–2020 climate normals.

Across a full year Al Diwaniyah averages 107 mm of rain, 247 days above 25 °C and 2 days below freezing.

Iraq · population 318,801 · 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 August 46 °C
Coldest month January 6.1 °C
Driest month July 0 mm
Wettest month January 23 mm
Least cloud July 2 % cloud
Hottest on record August 52 °C
Coldest on record February -2.3 °C

What to expectAl Diwaniyah through the year

Al Diwaniyah has a clear annual cycle: average daily highs run from 17 °C in January to 46 °C in August, a swing of 27 °C in mean temperature across the year.

Counted across a normal year, 247 days a year reach 25 °C, 210 of them reach 30 °C, 2 nights drop below freezing. The warmest reading in the 1991–2020 record is 52 °C, in August.

Rain is spread fairly evenly through the year, from 0 mm in July to 23 mm in January. There is no dry season to aim for.

Month by month

Month	Avg high	Rainfall	Cloud
January	17.2 °C	23 mm	34 %
February	20.2 °C	13 mm	29 %
March	25.9 °C	13 mm	30 %
April	32.3 °C	12 mm	30 %
May	38.8 °C	4 mm	24 %
June	43.3 °C	under 1 mm	3 %
July	45.4 °C	under 1 mm	2 %
August	45.6 °C	under 1 mm	2 %
September	41.9 °C	under 1 mm	3 %
October	35.2 °C	3 mm	19 %
November	24.8 °C	20 mm	32 %
December	18.9 °C	18 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	17.2 °C	6.1 °C	11.6 °C	27.7 °C	-2.0 °C	0	0	1
February	20.2 °C	7.8 °C	14.3 °C	31.8 °C	-2.3 °C	3	0	0
March	25.9 °C	12.4 °C	19.7 °C	42.0 °C	1.5 °C	17	5	0
April	32.3 °C	18.2 °C	25.9 °C	43.5 °C	5.5 °C	28	21	0
May	38.8 °C	24.4 °C	32.3 °C	47.5 °C	14.6 °C	31	31	0
June	43.3 °C	28.8 °C	36.7 °C	50.2 °C	22.1 °C	30	30	0
July	45.4 °C	31.0 °C	38.8 °C	51.5 °C	25.5 °C	31	31	0
August	45.6 °C	30.8 °C	38.8 °C	51.8 °C	23.6 °C	31	31	0
September	41.9 °C	26.9 °C	34.8 °C	49.6 °C	19.0 °C	30	30	0
October	35.2 °C	21.3 °C	28.5 °C	42.9 °C	11.7 °C	31	28	0
November	24.8 °C	12.9 °C	18.9 °C	37.2 °C	1.4 °C	15	3	0
December	18.9 °C	7.7 °C	13.2 °C	29.0 °C	-1.6 °C	1	0	0

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind
January	23 mm	4	10 h/day	34 %	63 %	19 km/h
February	13 mm	2	11 h/day	29 %	49 %	21 km/h
March	13 mm	2	12 h/day	30 %	36 %	23 km/h
April	12 mm	3	13 h/day	30 %	29 %	23 km/h
May	4 mm	1	14 h/day	24 %	19 %	24 km/h
June	under 1 mm	0	14 h/day	3 %	14 %	27 km/h
July	under 1 mm	0	14 h/day	2 %	14 %	28 km/h
August	under 1 mm	0	13 h/day	2 %	15 %	26 km/h
September	under 1 mm	0	12 h/day	3 %	18 %	22 km/h
October	3 mm	1	11 h/day	19 %	27 %	19 km/h
November	20 mm	3	11 h/day	32 %	48 %	18 km/h
December	18 mm	3	10 h/day	36 %	61 %	18 km/h

How Al Diwaniyah 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
Al Diwaniyah	46 °C	6.1 °C	107 mm	247
Najaf · Iraq	44 °C	5.0 °C	93 mm	239
Al Hillah · Iraq	45 °C	6.1 °C	112 mm	242
Al-Kut · Iraq	46 °C	6.6 °C	172 mm	243
Karbala · Iraq	44 °C	6.0 °C	105 mm	233
Baghdad · Iraq	45 °C	5.9 °C	150 mm	237
Nasiriyah · Iraq	46 °C	6.8 °C	114 mm	255

Where Al Diwaniyah ranks

Ranking	Position	Value
The warmest places in Asia in September	6th of 50	42 °C
The warmest places in the world in September	6th of 50	42 °C
The warmest places in Asia in August	8th of 50	46 °C
The warmest places in Asia in July	8th of 50	45 °C
The warmest places in the world in August	8th of 50	46 °C
The warmest places in the world in July	8th of 50	45 °C

Planning a trip? See the best time to visit Al Diwaniyah.

QuestionsCommon questions about Al Diwaniyah’s climate

When is the best time to visit Al Diwaniyah?

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, August is the warmest month and July the driest. The month-by-month table above has the full picture.

How hot does Al Diwaniyah get?

In August, the warmest month, daily highs average 46 °C. About 210 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 6.1 °C in January, the coldest month. A normal year has 2 nights below freezing.

Which month is wettest in Al Diwaniyah?

January, averaging 23 mm over 4 days with rain. The driest month is July with 0 mm. The year as a whole averages 107 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 Al Diwaniyah 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: 31.993°, 44.926° (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.