Al Hillah climate

Name: Al Hillah
Address: IQ

Al Hillah is warmest in August, with average highs of 45 °C, and coldest in January, when nights average 6.1 °C. January is the wettest month (22 mm) and July the driest (0.00 mm). Figures are 1991–2020 climate normals.

Across a full year Al Hillah averages 112 mm of rain, 242 days above 25 °C and 1 days below freezing.

Iraq · population 455,700 · 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 45 °C
Coldest month January 6.1 °C
Driest month July 0 mm
Wettest month January 22 mm
Least cloud July 2 % cloud
Hottest on record August 52 °C
Coldest on record February -1.8 °C

What to expectAl Hillah through the year

Al Hillah has a clear annual cycle: average daily highs run from 17 °C in January to 45 °C in August, a swing of 27 °C in mean temperature across the year.

Counted across a normal year, 242 days a year reach 25 °C, 205 of them reach 30 °C, 1 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 22 mm in January. There is no dry season to aim for.

Month by month

Month	Avg high	Rainfall	Cloud
January	16.6 °C	22 mm	35 %
February	19.6 °C	15 mm	30 %
March	25.3 °C	13 mm	30 %
April	31.7 °C	13 mm	30 %
May	38.1 °C	4 mm	24 %
June	42.5 °C	under 1 mm	3 %
July	44.7 °C	under 1 mm	2 %
August	44.9 °C	under 1 mm	2 %
September	41.2 °C	under 1 mm	3 %
October	34.7 °C	5 mm	19 %
November	24.3 °C	20 mm	31 %
December	18.3 °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	16.6 °C	6.1 °C	11.2 °C	27.9 °C	-1.7 °C	0	0	1
February	19.6 °C	7.7 °C	13.7 °C	31.8 °C	-1.8 °C	2	0	0
March	25.3 °C	12.1 °C	19.0 °C	41.4 °C	2.6 °C	15	4	0
April	31.7 °C	17.7 °C	25.2 °C	43.8 °C	4.7 °C	28	19	0
May	38.1 °C	23.8 °C	31.5 °C	47.4 °C	14.6 °C	31	30	0
June	42.5 °C	28.5 °C	36.0 °C	49.7 °C	22.0 °C	30	30	0
July	44.7 °C	30.8 °C	38.1 °C	51.6 °C	25.3 °C	31	31	0
August	44.9 °C	30.5 °C	38.1 °C	51.8 °C	23.6 °C	31	31	0
September	41.2 °C	26.6 °C	34.2 °C	49.4 °C	18.1 °C	30	30	0
October	34.7 °C	21.0 °C	28.0 °C	43.1 °C	11.5 °C	31	27	0
November	24.3 °C	12.8 °C	18.4 °C	36.4 °C	1.6 °C	13	2	0
December	18.3 °C	7.8 °C	12.8 °C	28.3 °C	-0.7 °C	1	0	0

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind
January	22 mm	4	10 h/day	35 %	65 %	15 km/h
February	15 mm	3	11 h/day	30 %	53 %	17 km/h
March	13 mm	2	12 h/day	30 %	38 %	19 km/h
April	13 mm	3	13 h/day	30 %	30 %	19 km/h
May	4 mm	1	14 h/day	24 %	21 %	20 km/h
June	under 1 mm	0	14 h/day	3 %	16 %	23 km/h
July	under 1 mm	0	14 h/day	2 %	16 %	23 km/h
August	under 1 mm	0	13 h/day	2 %	17 %	21 km/h
September	under 1 mm	0	12 h/day	3 %	20 %	18 km/h
October	5 mm	1	11 h/day	19 %	29 %	16 km/h
November	20 mm	3	11 h/day	31 %	51 %	15 km/h
December	18 mm	3	10 h/day	36 %	63 %	15 km/h

How Al Hillah 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 Hillah	45 °C	6.1 °C	112 mm	242
Karbala · Iraq	44 °C	6.0 °C	105 mm	233
Najaf · Iraq	44 °C	5.0 °C	93 mm	239
Al Diwaniyah · Iraq	46 °C	6.1 °C	107 mm	247
Baghdad · Iraq	45 °C	5.9 °C	150 mm	237
Al-Kut · Iraq	46 °C	6.6 °C	172 mm	243
Baqubah · Iraq	45 °C	5.6 °C	188 mm	233

Where Al Hillah ranks

Ranking	Position	Value
The warmest places in Asia in August	9th of 50	45 °C
The warmest places in the world in August	9th of 50	45 °C
The warmest places in Asia in September	10th of 50	41 °C
The warmest places in the world in September	10th of 50	41 °C
The driest places in Asia in August	11th of 50	0.02 mm
The driest places in Asia in July	11th of 50	0.00 mm

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

QuestionsCommon questions about Al Hillah’s climate

When is the best time to visit Al Hillah?

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

In August, the warmest month, daily highs average 45 °C. About 205 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 1 nights below freezing.

Which month is wettest in Al Hillah?

January, averaging 22 mm over 4 days with rain. The driest month is July with 0 mm. The year as a whole averages 112 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 Hillah 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: 32.464°, 44.420° (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.