nomadseason

Monthly climate in Surian, Iran

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Surian features a cold semi-arid climate (BSk). Temperatures typically range between 4 °C (40 °F) and 28 °C (83 °F) through the year, but rarely can drop to -10 °C (14 °F) or can rise to as high as 38 °C (101 °F). The average annual precipitation amounts to about 160 mm (6.3 inches) and receives 29 rainy days on the 1 mm (0.04 inches) threshold annually. Surian enjoys an average of 4051 hours of sunshine throughout the year, and daylight varies from 10 hours 12 minutes to 14 hours 4 minutes per day.

Monthly average temperatures in Surian, Iran

The warmest months in Surian are June, July and August, with daily mean temperatures ranging from 27 to 28 °C (81 - 83 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 4 to 7 °C (40 - 45 °F) throughout the day. On average each year, Surian experiences 141 days above 25 °C (77.0 °F) and 47 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Surian. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum20°C
(68°F)		21°C
(71°F)		27°C
(82°F)		29°C
(84°F)		34°C
(94°F)		37°C
(100°F)		38°C
(101°F)		38°C
(101°F)		35°C
(95°F)		30°C
(86°F)		24°C
(75°F)		21°C
(70°F)
Mean maximum17°C
(63°F)		19°C
(67°F)		23°C
(73°F)		26°C
(80°F)		32°C
(91°F)		35°C
(96°F)		37°C
(99°F)		36°C
(98°F)		33°C
(91°F)		29°C
(84°F)		22°C
(72°F)		18°C
(65°F)
Average high11°C
(52°F)		13°C
(56°F)		18°C
(64°F)		22°C
(72°F)		27°C
(80°F)		34°C
(93°F)		34°C
(93°F)		33°C
(91°F)		30°C
(86°F)		24°C
(75°F)		16°C
(60°F)		13°C
(56°F)
Daily mean4°C
(40°F)		7°C
(45°F)		11°C
(53°F)		16°C
(61°F)		21°C
(69°F)		28°C
(82°F)		28°C
(83°F)		27°C
(81°F)		23°C
(74°F)		17°C
(63°F)		9°C
(49°F)		6°C
(43°F)
Average low-1°C
(30°F)		1°C
(34°F)		5°C
(41°F)		10°C
(50°F)		14°C
(58°F)		21°C
(70°F)		22°C
(72°F)		21°C
(69°F)		17°C
(62°F)		10°C
(51°F)		4°C
(39°F)		1°C
(33°F)
Mean minimum-8°C
(19°F)		-6°C
(22°F)		-1°C
(31°F)		4°C
(39°F)		9°C
(49°F)		16°C
(62°F)		19°C
(66°F)		16°C
(62°F)		13°C
(55°F)		5°C
(42°F)		-1°C
(30°F)		-4°C
(25°F)
Minimum-10°C
(15°F)		-10°C
(14°F)		-4°C
(26°F)		2°C
(37°F)		7°C
(46°F)		15°C
(59°F)		18°C
(65°F)		15°C
(60°F)		11°C
(52°F)		4°C
(39°F)		-3°C
(27°F)		-7°C
(19°F)

Compare climate in Surian with other places

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

Monthly average precipitation in Surian, Iran

Surian usually has the most precipitation in March, April and November, with an average of 5 rainy days and 30 mm (1.2 inches) of precipitation per month. The driest months in Surian are June, August and September. On average, 0 mm (0.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Surian. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)7 (0.3)20 (0.8)35 (1.4)31 (1.2)21 (0.8)0 (0.0)2 (0.1)0 (0.0)0 (0.0)10 (0.4)24 (0.9)10 (0.4)
Average precipitation days (≥ 1 mm)235660000241

Monthly sunshine hours in Surian, Iran

The sunniest months in Surian are May, June and July, when the sun shines an average of 12 hours 39 minutes a day. Least sunny months in Surian: January, February and November receive an average of 9 hours 17 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Surian. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours246293343349382390392376348333295299
Mean daily daylight hours10h 24m11h 6m11h 59m12h 54m13h 41m14h 4m13h 52m13h 11m12h 18m11h 23m10h 36m10h 12m

Solar UV radiation in Surian, Iran

Surian experiences the highest level of ultraviolet (UV) radiation in May, June and August, when the maximum UV index can reach values of 13 - 14, which corresponds to the Extreme category of sun exposure. January, November and December are in the Moderate / High exposure category. In these months, the maximum values of the UV index do not exceed 7. For more detailed information, check out our hourly Surian UV Index data.

Average daily maximum UV levels by month for Surian. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)68121214141313121075