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Monthly climate in Gilan-e Gharb, Iran

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Gilan-e Gharb features a hot semi-arid climate (BSh). Temperatures typically range between 5 °C (40 °F) and 30 °C (87 °F) through the year, but rarely can drop to -16 °C (4 °F) or can rise to as high as 43 °C (109 °F). The average annual precipitation amounts to about 595 mm (23.4 inches) and receives 68 rainy days on the 1 mm (0.04 inches) threshold annually. Gilan-e Gharb enjoys an average of 3914 hours of sunshine throughout the year, and daylight varies from 9 hours 54 minutes to 14 hours 22 minutes per day.

Monthly average temperatures in Gilan-e Gharb, Iran

The warmest months in Gilan-e Gharb are June, July and August, with daily mean temperatures ranging from 27 to 30 °C (80 - 87 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 5 to 7 °C (40 - 45 °F) throughout the day. On average each year, Gilan-e Gharb experiences 145 days above 25 °C (77.0 °F) and 29 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Gilan-e Gharb. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum18°C
(64°F)		21°C
(70°F)		26°C
(79°F)		32°C
(89°F)		36°C
(97°F)		41°C
(105°F)		43°C
(109°F)		41°C
(106°F)		40°C
(104°F)		35°C
(95°F)		25°C
(78°F)		21°C
(70°F)
Mean maximum15°C
(60°F)		18°C
(64°F)		21°C
(71°F)		27°C
(81°F)		33°C
(92°F)		38°C
(100°F)		41°C
(106°F)		40°C
(104°F)		38°C
(101°F)		33°C
(91°F)		23°C
(74°F)		18°C
(64°F)
Average high10°C
(51°F)		12°C
(53°F)		15°C
(60°F)		21°C
(70°F)		27°C
(81°F)		34°C
(93°F)		37°C
(99°F)		37°C
(99°F)		34°C
(93°F)		26°C
(80°F)		17°C
(63°F)		13°C
(56°F)
Daily mean5°C
(40°F)		6°C
(44°F)		10°C
(51°F)		15°C
(60°F)		21°C
(70°F)		27°C
(80°F)		30°C
(87°F)		30°C
(86°F)		26°C
(79°F)		19°C
(66°F)		11°C
(53°F)		7°C
(45°F)
Average low-0°C
(32°F)		2°C
(35°F)		5°C
(41°F)		9°C
(49°F)		14°C
(57°F)		18°C
(65°F)		22°C
(72°F)		21°C
(70°F)		18°C
(64°F)		12°C
(54°F)		7°C
(44°F)		3°C
(37°F)
Mean minimum-7°C
(21°F)		-4°C
(24°F)		-0°C
(32°F)		4°C
(39°F)		9°C
(49°F)		15°C
(59°F)		18°C
(65°F)		18°C
(65°F)		13°C
(56°F)		7°C
(45°F)		1°C
(35°F)		-2°C
(29°F)
Minimum-16°C
(4°F)		-8°C
(18°F)		-3°C
(27°F)		2°C
(37°F)		8°C
(46°F)		12°C
(55°F)		17°C
(62°F)		16°C
(61°F)		12°C
(54°F)		6°C
(43°F)		-1°C
(31°F)		-5°C
(24°F)

Compare climate in Gilan-e Gharb with other places

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

Monthly average precipitation in Gilan-e Gharb, Iran

Gilan-e Gharb usually has the most precipitation in February, March and December, with an average of 10 rainy days and 101 mm (4.0 inches) of precipitation per month. The driest months in Gilan-e Gharb are July, August and September. On average, 1 mm (0.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Gilan-e Gharb. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)69 (2.7)114 (4.5)110 (4.3)78 (3.1)34 (1.3)2 (0.1)0 (0.0)1 (0.0)1 (0.1)33 (1.3)75 (2.9)80 (3.1)
Average precipitation days (≥ 1 mm)910121160000488

Monthly sunshine hours in Gilan-e Gharb, Iran

The sunniest months in Gilan-e Gharb are May, June and July, when the sun shines an average of 12 hours 51 minutes a day. Least sunny months in Gilan-e Gharb: January, February and December receive an average of 8 hours 15 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Gilan-e Gharb. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours223262318339387395400380345319275265
Mean daily daylight hours10h 8m10h 56m11h 58m13h 2m13h 56m14h 22m14h 8m13h 21m12h 20m11h 17m10h 22m9h 54m

Solar UV radiation in Gilan-e Gharb, Iran

Gilan-e Gharb 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 Gilan-e Gharb UV Index data.

Average daily maximum UV levels by month for Gilan-e Gharb. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)56910131212119753