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Monthly climate in Najafabad, Iran

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Najafabad features a cold semi-arid climate (BSk). Temperatures typically range between 2 °C (36 °F) and 29 °C (84 °F) through the year, but rarely can drop to -15 °C (6 °F) or can rise to as high as 39 °C (103 °F). The average annual precipitation amounts to about 184 mm (7.2 inches) and receives 39 rainy days on the 1 mm (0.04 inches) threshold annually. Najafabad enjoys an average of 4016 hours of sunshine throughout the year, and daylight varies from 10 hours 1 minutes to 14 hours 15 minutes per day.

Monthly average temperatures in Najafabad, Iran

The warmest months in Najafabad are June, July and August, with daily mean temperatures ranging from 27 to 29 °C (81 - 84 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 2 to 5 °C (36 - 41 °F) throughout the day. On average each year, Najafabad experiences 140 days above 25 °C (77.0 °F) and 81 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Najafabad. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum17°C
(62°F)		20°C
(68°F)		27°C
(82°F)		29°C
(85°F)		35°C
(95°F)		39°C
(102°F)		39°C
(102°F)		39°C
(103°F)		35°C
(95°F)		31°C
(88°F)		24°C
(75°F)		20°C
(68°F)
Mean maximum15°C
(59°F)		18°C
(64°F)		22°C
(73°F)		26°C
(80°F)		33°C
(91°F)		36°C
(98°F)		38°C
(101°F)		37°C
(99°F)		34°C
(93°F)		29°C
(85°F)		21°C
(71°F)		17°C
(63°F)
Average high10°C
(49°F)		12°C
(54°F)		16°C
(62°F)		21°C
(71°F)		27°C
(80°F)		34°C
(93°F)		35°C
(96°F)		34°C
(93°F)		31°C
(88°F)		24°C
(75°F)		14°C
(58°F)		11°C
(53°F)
Daily mean2°C
(36°F)		5°C
(41°F)		9°C
(49°F)		15°C
(59°F)		20°C
(68°F)		27°C
(81°F)		29°C
(84°F)		27°C
(81°F)		24°C
(75°F)		16°C
(61°F)		8°C
(47°F)		4°C
(40°F)
Average low-5°C
(24°F)		-2°C
(28°F)		2°C
(36°F)		8°C
(47°F)		13°C
(55°F)		19°C
(66°F)		21°C
(71°F)		20°C
(68°F)		15°C
(60°F)		8°C
(47°F)		2°C
(36°F)		-2°C
(29°F)
Mean minimum-10°C
(14°F)		-10°C
(15°F)		-4°C
(24°F)		2°C
(36°F)		8°C
(47°F)		15°C
(59°F)		18°C
(65°F)		16°C
(60°F)		11°C
(53°F)		3°C
(38°F)		-3°C
(27°F)		-7°C
(19°F)
Minimum-11°C
(12°F)		-15°C
(6°F)		-13°C
(9°F)		0°C
(33°F)		6°C
(42°F)		12°C
(53°F)		16°C
(61°F)		13°C
(55°F)		9°C
(48°F)		1°C
(34°F)		-4°C
(25°F)		-10°C
(15°F)

Compare climate in Najafabad with other places

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

Monthly average precipitation in Najafabad, Iran

Najafabad usually has the most precipitation in March, April and November, with an average of 6 rainy days and 30 mm (1.2 inches) of precipitation per month. The driest months in Najafabad are July, August and September. On average, 0 mm (0.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Najafabad. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)15 (0.6)21 (0.8)28 (1.1)27 (1.1)26 (1.0)1 (0.0)0 (0.0)0 (0.0)0 (0.0)14 (0.6)34 (1.3)17 (0.7)
Average precipitation days (≥ 1 mm)346760000454

Monthly sunshine hours in Najafabad, Iran

The sunniest months in Najafabad are May, June and July, when the sun shines an average of 12 hours 42 minutes a day. Least sunny months in Najafabad: January, February and November receive an average of 9 hours 1 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Najafabad. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours239289341346382394392378347327283293
Mean daily daylight hours10h 15m11h 0m11h 59m12h 59m13h 50m14h 15m14h 2m13h 17m12h 20m11h 20m10h 27m10h 1m

Solar UV radiation in Najafabad, Iran

Najafabad experiences the highest level of ultraviolet (UV) radiation in May, June and August, 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 / High exposure category. In these months, the maximum values of the UV index do not exceed 6. For more detailed information, check out our hourly Najafabad UV Index data.

Average daily maximum UV levels by month for Najafabad. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)5711111313121211964