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Monthly climate in Harsin, Iran

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Harsin features a hot-summer Mediterranean climate (Csa). Temperatures typically range between 2 °C (36 °F) and 29 °C (85 °F) through the year, but rarely can drop to -20 °C (-4 °F) or can rise to as high as 41 °C (106 °F). The average annual precipitation amounts to about 589 mm (23.2 inches) and receives 72 rainy days on the 1 mm (0.04 inches) threshold annually. Harsin enjoys an average of 3910 hours of sunshine throughout the year, and daylight varies from 9 hours 53 minutes to 14 hours 23 minutes per day.

Monthly average temperatures in Harsin, Iran

The warmest months in Harsin are June, July and August, with daily mean temperatures ranging from 25 to 29 °C (77 - 85 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 2 to 5 °C (36 - 41 °F) throughout the day. On average each year, Harsin experiences 131 days above 25 °C (77.0 °F) and 64 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Harsin. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum16°C
(61°F)		18°C
(64°F)		25°C
(77°F)		28°C
(82°F)		33°C
(91°F)		40°C
(103°F)		41°C
(106°F)		40°C
(104°F)		38°C
(100°F)		31°C
(89°F)		24°C
(75°F)		17°C
(62°F)
Mean maximum13°C
(56°F)		15°C
(59°F)		19°C
(67°F)		24°C
(75°F)		30°C
(87°F)		37°C
(98°F)		40°C
(104°F)		38°C
(101°F)		36°C
(97°F)		30°C
(86°F)		21°C
(71°F)		15°C
(59°F)
Average high7°C
(46°F)		9°C
(49°F)		13°C
(56°F)		19°C
(66°F)		25°C
(76°F)		33°C
(91°F)		37°C
(99°F)		36°C
(98°F)		33°C
(91°F)		24°C
(76°F)		14°C
(58°F)		10°C
(50°F)
Daily mean2°C
(36°F)		4°C
(39°F)		8°C
(47°F)		13°C
(55°F)		18°C
(65°F)		25°C
(77°F)		29°C
(85°F)		28°C
(83°F)		24°C
(76°F)		17°C
(63°F)		9°C
(48°F)		5°C
(41°F)
Average low-3°C
(27°F)		-1°C
(30°F)		3°C
(37°F)		7°C
(44°F)		11°C
(52°F)		16°C
(62°F)		21°C
(70°F)		20°C
(68°F)		16°C
(61°F)		10°C
(50°F)		4°C
(39°F)		0°C
(33°F)
Mean minimum-13°C
(9°F)		-9°C
(16°F)		-3°C
(27°F)		1°C
(34°F)		7°C
(44°F)		12°C
(54°F)		18°C
(64°F)		17°C
(62°F)		12°C
(54°F)		5°C
(40°F)		-1°C
(30°F)		-5°C
(23°F)
Minimum-20°C
(-4°F)		-16°C
(4°F)		-8°C
(17°F)		-1°C
(31°F)		6°C
(44°F)		11°C
(52°F)		16°C
(61°F)		15°C
(59°F)		10°C
(51°F)		4°C
(39°F)		-4°C
(25°F)		-7°C
(20°F)

Compare climate in Harsin with other places

Compare temperature, precipitation, sunshine, UV index in Harsin, Iran with other places around the world.

Monthly average precipitation in Harsin, Iran

Harsin usually has the most precipitation in February, March and April, with an average of 11 rainy days and 105 mm (4.1 inches) of precipitation per month. The driest months in Harsin 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 Harsin. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)66 (2.6)106 (4.2)106 (4.2)102 (4.0)44 (1.7)3 (0.1)0 (0.0)0 (0.0)1 (0.0)21 (0.8)67 (2.7)72 (2.8)
Average precipitation days (≥ 1 mm)810111291000498

Monthly sunshine hours in Harsin, Iran

The sunniest months in Harsin are May, June and July, when the sun shines an average of 12 hours 50 minutes a day. Least sunny months in Harsin: January, February and December receive an average of 8 hours 10 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Harsin. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours221260318337384402393384350321274261
Mean daily daylight hours10h 8m10h 56m11h 58m13h 2m13h 56m14h 23m14h 9m13h 22m12h 21m11h 17m10h 21m9h 53m

Solar UV radiation in Harsin, Iran

Harsin experiences the highest level of ultraviolet (UV) radiation in May, June and July, when the maximum UV index can reach values of 12 - 13, which corresponds to the 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 5. For more detailed information, check out our hourly Harsin UV Index data.

Average daily maximum UV levels by month for Harsin. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)569101313121110854