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Monthly climate in Razan, Iran

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Razan features a humid continental climate (Dsa). Temperatures typically range between -2 °C (29 °F) and 25 °C (78 °F) through the year, but rarely can drop to -19 °C (-3 °F) or can rise to as high as 37 °C (99 °F). The average annual precipitation amounts to about 507 mm (20.0 inches) and receives 88 rainy days on the 1 mm (0.04 inches) threshold annually. Razan enjoys an average of 3927 hours of sunshine throughout the year, and daylight varies from 9 hours 47 minutes to 14 hours 29 minutes per day.

Monthly average temperatures in Razan, Iran

The warmest months in Razan are June, July and August, with daily mean temperatures ranging from 22 to 25 °C (72 - 78 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -2 to 1 °C (29 - 34 °F) throughout the day. On average each year, Razan experiences 110 days above 25 °C (77.0 °F) and 105 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Razan. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum13°C
(55°F)		15°C
(59°F)		23°C
(74°F)		26°C
(79°F)		30°C
(86°F)		36°C
(96°F)		37°C
(99°F)		37°C
(98°F)		34°C
(93°F)		27°C
(82°F)		21°C
(70°F)		15°C
(60°F)
Mean maximum9°C
(48°F)		10°C
(51°F)		17°C
(64°F)		22°C
(71°F)		28°C
(84°F)		34°C
(93°F)		36°C
(98°F)		36°C
(96°F)		32°C
(90°F)		26°C
(79°F)		18°C
(64°F)		12°C
(53°F)
Average high3°C
(38°F)		4°C
(40°F)		10°C
(51°F)		16°C
(61°F)		22°C
(72°F)		30°C
(86°F)		33°C
(92°F)		32°C
(90°F)		29°C
(84°F)		20°C
(68°F)		10°C
(50°F)		5°C
(42°F)
Daily mean-2°C
(29°F)		-0°C
(32°F)		5°C
(41°F)		10°C
(51°F)		15°C
(60°F)		22°C
(72°F)		25°C
(78°F)		24°C
(75°F)		20°C
(69°F)		13°C
(55°F)		5°C
(41°F)		1°C
(34°F)
Average low-6°C
(21°F)		-4°C
(24°F)		-0°C
(32°F)		5°C
(41°F)		9°C
(48°F)		14°C
(57°F)		17°C
(63°F)		16°C
(61°F)		12°C
(54°F)		6°C
(43°F)		1°C
(33°F)		-3°C
(27°F)
Mean minimum-15°C
(6°F)		-13°C
(9°F)		-7°C
(20°F)		-4°C
(25°F)		4°C
(40°F)		8°C
(47°F)		13°C
(56°F)		12°C
(53°F)		6°C
(43°F)		1°C
(34°F)		-6°C
(22°F)		-8°C
(17°F)
Minimum-19°C
(-3°F)		-18°C
(-1°F)		-9°C
(15°F)		-7°C
(20°F)		2°C
(36°F)		6°C
(43°F)		11°C
(52°F)		9°C
(49°F)		6°C
(42°F)		-1°C
(31°F)		-8°C
(18°F)		-13°C
(10°F)

Compare climate in Razan with other places

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

Monthly average precipitation in Razan, Iran

Razan usually has the most precipitation in February, March and April, with an average of 12 rainy days and 79 mm (3.1 inches) of precipitation per month. The driest months in Razan are July, August and September. On average, 2 mm (0.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Razan. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)41 (1.6)71 (2.8)72 (2.9)94 (3.7)61 (2.4)5 (0.2)4 (0.1)2 (0.1)2 (0.1)41 (1.6)64 (2.5)51 (2.0)
Average precipitation days (≥ 1 mm)71012161321107118

Monthly sunshine hours in Razan, Iran

The sunniest months in Razan are May, June and July, when the sun shines an average of 12 hours 54 minutes a day. Least sunny months in Razan: January, February and November receive an average of 8 hours 25 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Razan. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours228265313343386403398385349320264268
Mean daily daylight hours10h 3m10h 53m11h 58m13h 5m14h 1m14h 29m14h 15m13h 25m12h 21m11h 15m10h 17m9h 47m

Solar UV radiation in Razan, Iran

Razan 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 Razan UV Index data.

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