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Monthly climate in Qazvin, Iran

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Qazvin features a hot-summer Mediterranean climate (Csa). Temperatures typically range between 1 °C (34 °F) and 27 °C (80 °F) through the year, but rarely can drop to -16 °C (3 °F) or can rise to as high as 40 °C (104 °F). The average annual precipitation amounts to about 486 mm (19.1 inches) and receives 75 rainy days on the 1 mm (0.04 inches) threshold annually. Qazvin enjoys an average of 3882 hours of sunshine throughout the year, and daylight varies from 9 hours 43 minutes to 14 hours 34 minutes per day.

Monthly average temperatures in Qazvin, Iran

The warmest months in Qazvin are June, July and August, with daily mean temperatures ranging from 24 to 27 °C (76 - 80 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 1 to 3 °C (34 - 38 °F) throughout the day. On average each year, Qazvin experiences 125 days above 25 °C (77.0 °F) and 69 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Qazvin. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum14°C
(57°F)		17°C
(63°F)		28°C
(82°F)		29°C
(84°F)		34°C
(93°F)		38°C
(100°F)		40°C
(104°F)		38°C
(101°F)		37°C
(99°F)		31°C
(87°F)		24°C
(75°F)		17°C
(63°F)
Mean maximum11°C
(53°F)		13°C
(56°F)		21°C
(69°F)		26°C
(78°F)		32°C
(89°F)		36°C
(96°F)		39°C
(103°F)		38°C
(100°F)		35°C
(96°F)		28°C
(83°F)		21°C
(69°F)		14°C
(57°F)
Average high6°C
(43°F)		7°C
(45°F)		13°C
(56°F)		19°C
(66°F)		25°C
(77°F)		32°C
(90°F)		35°C
(95°F)		33°C
(92°F)		30°C
(87°F)		22°C
(72°F)		13°C
(55°F)		8°C
(47°F)
Daily mean1°C
(34°F)		3°C
(37°F)		8°C
(46°F)		13°C
(55°F)		18°C
(65°F)		24°C
(76°F)		27°C
(80°F)		25°C
(78°F)		22°C
(72°F)		15°C
(59°F)		8°C
(46°F)		3°C
(38°F)
Average low-3°C
(27°F)		-1°C
(30°F)		3°C
(37°F)		7°C
(45°F)		12°C
(54°F)		16°C
(62°F)		20°C
(67°F)		18°C
(65°F)		15°C
(59°F)		9°C
(49°F)		4°C
(39°F)		-0°C
(31°F)
Mean minimum-11°C
(13°F)		-9°C
(15°F)		-4°C
(25°F)		-1°C
(30°F)		7°C
(45°F)		12°C
(54°F)		15°C
(59°F)		14°C
(58°F)		9°C
(48°F)		4°C
(39°F)		-3°C
(27°F)		-7°C
(19°F)
Minimum-14°C
(7°F)		-16°C
(3°F)		-7°C
(20°F)		-7°C
(20°F)		4°C
(40°F)		10°C
(51°F)		13°C
(56°F)		10°C
(51°F)		6°C
(43°F)		2°C
(37°F)		-5°C
(23°F)		-13°C
(8°F)

Compare climate in Qazvin with other places

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

Monthly average precipitation in Qazvin, Iran

Qazvin usually has the most precipitation in February, March and April, with an average of 10 rainy days and 80 mm (3.1 inches) of precipitation per month. The driest months in Qazvin are July, August and September. On average, 3 mm (0.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Qazvin. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)41 (1.6)78 (3.1)71 (2.8)90 (3.6)48 (1.9)5 (0.2)4 (0.1)3 (0.1)3 (0.1)37 (1.5)53 (2.1)54 (2.1)
Average precipitation days (≥ 1 mm)691112101111698

Monthly sunshine hours in Qazvin, Iran

The sunniest months in Qazvin are May, June and July, when the sun shines an average of 12 hours 51 minutes a day. Least sunny months in Qazvin: January, February and November receive an average of 8 hours 13 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Qazvin. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours221259319336387397398379342314259265
Mean daily daylight hours9h 59m10h 51m11h 58m13h 7m14h 5m14h 34m14h 19m13h 28m12h 22m11h 13m10h 14m9h 43m

Solar UV radiation in Qazvin, Iran

Qazvin experiences the highest level of ultraviolet (UV) radiation in May, June and July, when the maximum UV index can reach values of 11 - 13, which corresponds to the 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 5. For more detailed information, check out our hourly Qazvin UV Index data.

Average daily maximum UV levels by month for Qazvin. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)55991312111010754