Nasiriyah climate

Name: Nasiriyah
Address: IQ

Nasiriyah is warmest in August, with average highs of 46 °C, and coldest in January, when nights average 6.8 °C. January is the wettest month (26 mm) and July the driest (0 mm). Figures are 1991–2020 climate normals.

Across a full year Nasiriyah averages 114 mm of rain, 255 days above 25 °C and 1 days below freezing.

Iraq · population 558,400 · 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 6.8 °C
Driest month July 0 mm
Wettest month January 26 mm
Least cloud July 2 % cloud
Hottest on record August 52 °C
Coldest on record January -1.7 °C

What to expectNasiriyah through the year

Nasiriyah has a clear annual cycle: average daily highs run from 18 °C in January to 46 °C in August, a swing of 27 °C in mean temperature across the year.

Counted across a normal year, 255 days a year reach 25 °C, 215 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 26 mm in January. There is no dry season to aim for.

Month by month

Month	Avg high	Rainfall	Cloud
January	17.8 °C	26 mm	34 %
February	21.0 °C	14 mm	28 %
March	26.7 °C	15 mm	29 %
April	33.2 °C	10 mm	32 %
May	39.8 °C	2 mm	24 %
June	44.3 °C	under 1 mm	3 %
July	46.2 °C	0 mm	2 %
August	46.3 °C	under 1 mm	2 %
September	42.6 °C	under 1 mm	3 %
October	35.9 °C	5 mm	17 %
November	25.5 °C	22 mm	32 %
December	19.4 °C	19 mm	35 %

Temperature month by month

Month	Avg high	Avg low	Mean	Record high	Record low	Days above 25 °C	Days above 30 °C
January	17.8 °C	6.8 °C	12.3 °C	27.5 °C	-1.7 °C	0	0
February	21.0 °C	8.6 °C	15.0 °C	33.0 °C	-0.8 °C	4	0
March	26.7 °C	13.2 °C	20.3 °C	41.8 °C	1.1 °C	19	6
April	33.2 °C	19.2 °C	26.8 °C	43.0 °C	5.9 °C	29	23
May	39.8 °C	25.5 °C	33.4 °C	48.9 °C	17.2 °C	31	31
June	44.3 °C	29.9 °C	37.7 °C	50.7 °C	24.6 °C	30	30
July	46.2 °C	32.0 °C	39.6 °C	52.1 °C	26.9 °C	31	31
August	46.3 °C	31.7 °C	39.6 °C	52.3 °C	25.4 °C	31	31
September	42.6 °C	27.6 °C	35.5 °C	49.6 °C	19.9 °C	30	30
October	35.9 °C	21.8 °C	29.1 °C	43.8 °C	13.0 °C	31	28
November	25.5 °C	13.8 °C	19.7 °C	37.1 °C	1.5 °C	16	5
December	19.4 °C	8.4 °C	13.8 °C	29.7 °C	-1.1 °C	2	0

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind
January	26 mm	4	10 h/day	34 %	62 %	19 km/h
February	14 mm	2	11 h/day	28 %	48 %	22 km/h
March	15 mm	2	12 h/day	29 %	36 %	23 km/h
April	10 mm	2	13 h/day	32 %	28 %	23 km/h
May	2 mm	0	14 h/day	24 %	17 %	24 km/h
June	under 1 mm	0	14 h/day	3 %	12 %	29 km/h
July	0 mm	0	14 h/day	2 %	12 %	29 km/h
August	under 1 mm	0	13 h/day	2 %	13 %	27 km/h
September	under 1 mm	0	12 h/day	3 %	16 %	23 km/h
October	5 mm	1	11 h/day	17 %	26 %	19 km/h
November	22 mm	3	11 h/day	32 %	47 %	18 km/h
December	19 mm	3	10 h/day	35 %	61 %	18 km/h

How Nasiriyah 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
Nasiriyah	46 °C	6.8 °C	114 mm	255
Al ‘Amārah · Iraq	47 °C	7.1 °C	206 mm	249
Basrah · Iraq	47 °C	7.6 °C	156 mm	257
Al Diwaniyah · Iraq	46 °C	6.1 °C	107 mm	247
Al-Kut · Iraq	46 °C	6.6 °C	172 mm	243
Najaf · Iraq	44 °C	5.0 °C	93 mm	239
Ahvaz · Iran	47 °C	7.5 °C	298 mm	251

Where Nasiriyah ranks

Ranking	Position	Value
The warmest places in Asia in August	4thof 50	46 °C
The warmest places in Asia in September	4thof 50	43 °C
The warmest places in the world in August	4thof 50	46 °C
The warmest places in the world in September	4thof 50	43 °C
The driest places in Asia in July	5thof 50	0 mm
The warmest places in Asia in June	5thof 50	44 °C

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

QuestionsCommon questions about Nasiriyah’s climate

When is the best time to visit Nasiriyah?

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 Nasiriyah get?

In August, the warmest month, daily highs average 46 °C. About 215 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 6.8 °C in January, the coldest month. A normal year has 1 nights below freezing.

Which month is wettest in Nasiriyah?

January, averaging 26 mm over 4 days with rain. The driest month is July with 0 mm. The year as a whole averages 114 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 Nasiriyah 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.