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Monthly climate in Qasr-e Shirin, Iran

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Qasr-e Shirin features a hot semi-arid climate (BSh). Temperatures typically range between 10 °C (50 °F) and 37 °C (99 °F) through the year, but rarely can drop to -4 °C (26 °F) or can rise to as high as 50 °C (122 °F). The average annual precipitation amounts to about 469 mm (18.5 inches) and receives 48 rainy days on the 1 mm (0.04 inches) threshold annually. Qasr-e Shirin enjoys an average of 3904 hours of sunshine throughout the year, and daylight varies from 9 hours 52 minutes to 14 hours 24 minutes per day.

Monthly average temperatures in Qasr-e Shirin, Iran

The warmest months in Qasr-e Shirin are June, July and August, with daily mean temperatures ranging from 34 to 37 °C (93 - 99 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 10 to 12 °C (50 - 54 °F) throughout the day. On average each year, Qasr-e Shirin experiences 195 days above 25 °C (77.0 °F) and 3 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Qasr-e Shirin. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum22°C
(72°F)		27°C
(81°F)		33°C
(92°F)		40°C
(105°F)		44°C
(112°F)		48°C
(118°F)		50°C
(122°F)		49°C
(120°F)		48°C
(118°F)		41°C
(107°F)		33°C
(91°F)		27°C
(80°F)
Mean maximum20°C
(69°F)		23°C
(74°F)		28°C
(83°F)		34°C
(94°F)		42°C
(108°F)		46°C
(114°F)		48°C
(119°F)		47°C
(117°F)		46°C
(115°F)		40°C
(104°F)		31°C
(87°F)		23°C
(74°F)
Average high16°C
(60°F)		17°C
(63°F)		22°C
(71°F)		28°C
(82°F)		35°C
(95°F)		42°C
(107°F)		45°C
(113°F)		44°C
(112°F)		41°C
(106°F)		33°C
(92°F)		23°C
(75°F)		18°C
(65°F)
Daily mean10°C
(50°F)		12°C
(53°F)		16°C
(61°F)		21°C
(71°F)		28°C
(82°F)		34°C
(93°F)		37°C
(99°F)		36°C
(98°F)		33°C
(91°F)		25°C
(78°F)		17°C
(63°F)		12°C
(54°F)
Average low5°C
(41°F)		6°C
(44°F)		10°C
(50°F)		14°C
(58°F)		20°C
(68°F)		25°C
(76°F)		28°C
(82°F)		27°C
(81°F)		24°C
(75°F)		18°C
(65°F)		12°C
(54°F)		8°C
(46°F)
Mean minimum-0°C
(32°F)		0°C
(32°F)		5°C
(41°F)		9°C
(49°F)		15°C
(60°F)		21°C
(70°F)		24°C
(76°F)		24°C
(75°F)		19°C
(67°F)		12°C
(55°F)		6°C
(44°F)		2°C
(36°F)
Minimum-4°C
(26°F)		-4°C
(26°F)		1°C
(33°F)		8°C
(47°F)		13°C
(56°F)		19°C
(66°F)		23°C
(73°F)		21°C
(69°F)		17°C
(64°F)		11°C
(52°F)		4°C
(39°F)		-0°C
(32°F)

Compare climate in Qasr-e Shirin with other places

Compare temperature, precipitation, sunshine, UV index in Qasr-e Shirin, Iran with other places around the world.

Monthly average precipitation in Qasr-e Shirin, Iran

Qasr-e Shirin usually has the most precipitation in February, March and December, with an average of 8 rainy days and 86 mm (3.4 inches) of precipitation per month. The driest months in Qasr-e Shirin are June, July and August. On average, 0 mm (0.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Qasr-e Shirin. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)58 (2.3)89 (3.5)89 (3.5)55 (2.2)11 (0.4)0 (0.0)0 (0.0)0 (0.0)1 (0.0)22 (0.9)63 (2.5)80 (3.1)
Average precipitation days (≥ 1 mm)788720000268

Monthly sunshine hours in Qasr-e Shirin, Iran

The sunniest months in Qasr-e Shirin are May, June and July, when the sun shines an average of 12 hours 47 minutes a day. Least sunny months in Qasr-e Shirin: January, February and December receive an average of 8 hours 17 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Qasr-e Shirin. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours224262321338386392398378341317275268
Mean daily daylight hours10h 7m10h 56m11h 58m13h 3m13h 57m14h 24m14h 10m13h 23m12h 21m11h 16m10h 20m9h 52m

Solar UV radiation in Qasr-e Shirin, Iran

Qasr-e Shirin experiences the highest level of ultraviolet (UV) radiation in May, June and July, when the maximum UV index can reach values of 11 - 12, which corresponds to the Extreme category of sun exposure. January, February and December are in the Moderate exposure category. In these months, the maximum values of the UV index do not exceed 5. For more detailed information, check out our hourly Qasr-e Shirin UV Index data.

Average daily maximum UV levels by month for Qasr-e Shirin. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)4589121111109753