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Monthly climate in Lahijan, Iran

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Lahijan features a hot-summer Mediterranean climate (Csa). Temperatures typically range between 8 °C (47 °F) and 27 °C (81 °F) through the year, but rarely can drop to -7 °C (19 °F) or can rise to as high as 37 °C (99 °F). The average annual precipitation amounts to about 1314 mm (51.7 inches) and receives 138 rainy days on the 1 mm (0.04 inches) threshold annually. Lahijan enjoys an average of 3654 hours of sunshine throughout the year, and daylight varies from 9 hours 38 minutes to 14 hours 39 minutes per day.

Monthly average temperatures in Lahijan, Iran

The warmest months in Lahijan are June, July and August, with daily mean temperatures ranging from 25 to 27 °C (77 - 81 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 8 to 10 °C (47 - 51 °F) throughout the day. On average each year, Lahijan experiences 111 days above 25 °C (77.0 °F) and 7 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Lahijan. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum22°C
(73°F)		26°C
(80°F)		29°C
(84°F)		30°C
(86°F)		35°C
(96°F)		35°C
(95°F)		37°C
(99°F)		36°C
(98°F)		36°C
(97°F)		33°C
(91°F)		29°C
(84°F)		27°C
(81°F)
Mean maximum19°C
(67°F)		21°C
(69°F)		24°C
(76°F)		27°C
(81°F)		32°C
(90°F)		33°C
(92°F)		35°C
(95°F)		34°C
(94°F)		33°C
(91°F)		29°C
(85°F)		25°C
(77°F)		21°C
(71°F)
Average high13°C
(55°F)		13°C
(55°F)		15°C
(59°F)		19°C
(66°F)		24°C
(76°F)		29°C
(85°F)		31°C
(88°F)		30°C
(86°F)		27°C
(81°F)		22°C
(72°F)		17°C
(63°F)		15°C
(59°F)
Daily mean8°C
(47°F)		8°C
(47°F)		11°C
(52°F)		14°C
(58°F)		20°C
(68°F)		25°C
(77°F)		27°C
(81°F)		26°C
(79°F)		23°C
(74°F)		18°C
(65°F)		13°C
(56°F)		10°C
(51°F)
Average low4°C
(39°F)		4°C
(40°F)		7°C
(45°F)		10°C
(50°F)		15°C
(60°F)		20°C
(68°F)		23°C
(73°F)		22°C
(72°F)		19°C
(67°F)		14°C
(58°F)		10°C
(50°F)		7°C
(44°F)
Mean minimum-2°C
(28°F)		-2°C
(29°F)		2°C
(36°F)		5°C
(41°F)		11°C
(52°F)		16°C
(60°F)		19°C
(67°F)		18°C
(65°F)		15°C
(59°F)		9°C
(49°F)		4°C
(40°F)		2°C
(35°F)
Minimum-7°C
(19°F)		-7°C
(20°F)		0°C
(32°F)		1°C
(35°F)		9°C
(48°F)		15°C
(59°F)		16°C
(62°F)		14°C
(58°F)		13°C
(56°F)		8°C
(46°F)		3°C
(37°F)		-4°C
(25°F)

Compare climate in Lahijan with other places

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

Monthly average precipitation in Lahijan, Iran

Lahijan usually has the most precipitation in February, October and November, with an average of 13 rainy days and 166 mm (6.5 inches) of precipitation per month. The driest months in Lahijan are May, June and August. On average, 54 mm (2.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Lahijan. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)103 (4.1)141 (5.6)112 (4.4)108 (4.2)48 (1.9)31 (1.2)95 (3.7)85 (3.3)118 (4.6)177 (7.0)180 (7.1)117 (4.6)
Average precipitation days (≥ 1 mm)912141196121115151410

Monthly sunshine hours in Lahijan, Iran

The sunniest months in Lahijan are May, June and July, when the sun shines an average of 12 hours 31 minutes a day. Least sunny months in Lahijan: January, November and December receive an average of 7 hours 17 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Lahijan. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours199241297314377391383366323287229241
Mean daily daylight hours9h 54m10h 48m11h 58m13h 9m14h 9m14h 39m14h 24m13h 31m12h 23m11h 11m10h 9m9h 38m

Solar UV radiation in Lahijan, Iran

Lahijan 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, February 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 Lahijan UV Index data.

Average daily maximum UV levels by month for Lahijan. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)448811101098643