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Monthly climate in Ar Riyad, Iraq

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Ar Riyad features a hot semi-arid climate (BSh). Temperatures typically range between 10 °C (51 °F) and 38 °C (101 °F) through the year, but rarely can drop to -3 °C (26 °F) or can rise to as high as 50 °C (123 °F). The average annual precipitation amounts to about 324 mm (12.8 inches) and receives 45 rainy days on the 1 mm (0.04 inches) threshold annually. Ar Riyad enjoys an average of 3838 hours of sunshine throughout the year, and daylight varies from 9 hours 48 minutes to 14 hours 28 minutes per day.

Monthly average temperatures in Ar Riyad, Iraq

The warmest months in Ar Riyad are June, July and August, with daily mean temperatures ranging from 35 to 38 °C (95 - 101 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 10 to 13 °C (51 - 55 °F) throughout the day. On average each year, Ar Riyad experiences 197 days above 25 °C (77.0 °F) and 2 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Ar Riyad. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum24°C
(76°F)		27°C
(81°F)		34°C
(93°F)		41°C
(106°F)		45°C
(114°F)		48°C
(119°F)		50°C
(123°F)		49°C
(121°F)		47°C
(118°F)		41°C
(106°F)		33°C
(91°F)		25°C
(77°F)
Mean maximum20°C
(69°F)		24°C
(76°F)		28°C
(83°F)		35°C
(96°F)		43°C
(110°F)		46°C
(115°F)		49°C
(120°F)		48°C
(119°F)		46°C
(115°F)		40°C
(104°F)		32°C
(90°F)		22°C
(72°F)
Average high16°C
(60°F)		18°C
(64°F)		22°C
(71°F)		28°C
(84°F)		36°C
(97°F)		42°C
(107°F)		45°C
(113°F)		45°C
(113°F)		41°C
(107°F)		34°C
(93°F)		24°C
(76°F)		18°C
(65°F)
Daily mean10°C
(51°F)		12°C
(54°F)		16°C
(62°F)		22°C
(72°F)		29°C
(85°F)		35°C
(95°F)		38°C
(101°F)		37°C
(99°F)		34°C
(93°F)		27°C
(80°F)		18°C
(65°F)		13°C
(55°F)
Average low6°C
(43°F)		7°C
(46°F)		11°C
(52°F)		16°C
(60°F)		21°C
(71°F)		27°C
(80°F)		30°C
(86°F)		29°C
(85°F)		25°C
(78°F)		20°C
(68°F)		13°C
(56°F)		9°C
(48°F)
Mean minimum1°C
(33°F)		1°C
(34°F)		6°C
(43°F)		11°C
(52°F)		16°C
(62°F)		23°C
(74°F)		26°C
(79°F)		26°C
(79°F)		20°C
(69°F)		14°C
(58°F)		7°C
(45°F)		3°C
(38°F)
Minimum-1°C
(30°F)		-3°C
(26°F)		2°C
(37°F)		9°C
(49°F)		13°C
(55°F)		21°C
(70°F)		24°C
(76°F)		24°C
(76°F)		19°C
(66°F)		13°C
(55°F)		5°C
(41°F)		-0°C
(32°F)

Compare climate in Ar Riyad with other places

Compare temperature, precipitation, sunshine, UV index in Ar Riyad, Iraq with other places around the world.

Monthly average precipitation in Ar Riyad, Iraq

Ar Riyad usually has the most precipitation in February, March and December, with an average of 8 rainy days and 63 mm (2.5 inches) of precipitation per month. The driest months in Ar Riyad are July, August and September. On average, 0 mm (0.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Ar Riyad. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)31 (1.2)60 (2.4)65 (2.6)46 (1.8)11 (0.4)0 (0.0)0 (0.0)0 (0.0)0 (0.0)10 (0.4)37 (1.5)62 (2.5)
Average precipitation days (≥ 1 mm)689720000157

Monthly sunshine hours in Ar Riyad, Iraq

The sunniest months in Ar Riyad are May, June and July, when the sun shines an average of 12 hours 40 minutes a day. Least sunny months in Ar Riyad: January, February and December receive an average of 8 hours 1 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Ar Riyad. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours219257311336384387393377336311268253
Mean daily daylight hours10h 3m10h 54m11h 58m13h 5m14h 1m14h 28m14h 14m13h 25m12h 21m11h 15m10h 17m9h 48m

Solar UV radiation in Ar Riyad, Iraq

Ar Riyad experiences the highest level of ultraviolet (UV) radiation in May, June and July, when the maximum UV index can reach values of 10 - 11, which corresponds to the Very High / Extreme category of sun exposure. January, November and December are in the Moderate exposure category. In these months, the maximum values of the UV index do not exceed 4. For more detailed information, check out our hourly Ar Riyad UV Index data.

Average daily maximum UV levels by month for Ar Riyad. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)357911111098743