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Monthly climate in Darhan, Mongolia

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Darhan features a subarctic climate (Dwc). Temperatures typically range between -18 °C (-1 °F) and 20 °C (69 °F) through the year, but rarely can drop to -35 °C (-30 °F) or can rise to as high as 36 °C (98 °F). The average annual precipitation amounts to about 339 mm (13.4 inches) and receives 57 rainy days on the 1 mm (0.04 inches) threshold annually. Darhan enjoys an average of 3772 hours of sunshine throughout the year, and daylight varies from 8 hours 23 minutes to 15 hours 59 minutes per day.

Monthly average temperatures in Darhan, Mongolia

The warmest months in Darhan are June, July and August, with daily mean temperatures ranging from 18 to 20 °C (64 - 69 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -18 to -14 °C (-1 - 7 °F) throughout the day. On average each year, Darhan experiences 45 days above 25 °C (77.0 °F) and 189 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Darhan. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum-1°C
(31°F)		12°C
(53°F)		21°C
(71°F)		30°C
(87°F)		34°C
(93°F)		36°C
(98°F)		35°C
(96°F)		32°C
(90°F)		32°C
(90°F)		26°C
(78°F)		13°C
(55°F)		3°C
(37°F)
Mean maximum-4°C
(24°F)		4°C
(40°F)		15°C
(59°F)		25°C
(77°F)		31°C
(88°F)		32°C
(89°F)		33°C
(92°F)		30°C
(86°F)		26°C
(79°F)		19°C
(67°F)		10°C
(51°F)		-1°C
(30°F)
Average high-12°C
(10°F)		-7°C
(19°F)		4°C
(40°F)		13°C
(55°F)		19°C
(67°F)		25°C
(77°F)		26°C
(78°F)		23°C
(73°F)		19°C
(66°F)		9°C
(49°F)		-1°C
(30°F)		-10°C
(14°F)
Daily mean-18°C
(-1°F)		-14°C
(7°F)		-3°C
(27°F)		5°C
(42°F)		12°C
(55°F)		19°C
(66°F)		20°C
(69°F)		18°C
(64°F)		12°C
(54°F)		2°C
(36°F)		-7°C
(19°F)		-16°C
(3°F)
Average low-24°C
(-10°F)		-20°C
(-4°F)		-9°C
(15°F)		-1°C
(30°F)		5°C
(41°F)		12°C
(54°F)		15°C
(59°F)		13°C
(55°F)		6°C
(44°F)		-3°C
(26°F)		-12°C
(10°F)		-21°C
(-5°F)
Mean minimum-31°C
(-23°F)		-28°C
(-18°F)		-19°C
(-2°F)		-10°C
(14°F)		-3°C
(26°F)		5°C
(41°F)		9°C
(49°F)		7°C
(45°F)		-1°C
(30°F)		-9°C
(16°F)		-22°C
(-7°F)		-30°C
(-22°F)
Minimum-35°C
(-30°F)		-33°C
(-27°F)		-22°C
(-8°F)		-14°C
(8°F)		-6°C
(21°F)		2°C
(36°F)		8°C
(46°F)		4°C
(39°F)		-4°C
(24°F)		-11°C
(13°F)		-24°C
(-10°F)		-32°C
(-26°F)

Compare climate in Darhan with other places

Compare temperature, precipitation, sunshine, UV index in Darhan, Mongolia with other places around the world.

Monthly average precipitation in Darhan, Mongolia

Darhan usually has the most precipitation in June, July and August, with an average of 9 rainy days and 69 mm (2.7 inches) of precipitation per month. The driest months in Darhan are January, February and December. On average, 4 mm (0.2 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Darhan. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)2 (0.1)7 (0.3)7 (0.3)20 (0.8)24 (0.9)52 (2.0)65 (2.6)89 (3.5)44 (1.7)17 (0.7)10 (0.4)3 (0.1)
Average precipitation days (≥ 1 mm)02246710126431

Monthly sunshine hours in Darhan, Mongolia

The sunniest months in Darhan are May, June and July, when the sun shines an average of 12 hours 24 minutes a day. Least sunny months in Darhan: January, November and December receive an average of 7 hours 46 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Darhan. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours203266331336379377384356321304260250
Mean daily daylight hours8h 49m10h 11m11h 54m13h 40m15h 12m15h 59m15h 35m14h 14m12h 32m10h 47m9h 13m8h 23m

Solar UV radiation in Darhan, Mongolia

Darhan experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 9 - 9, which corresponds to the Very High category of sun exposure. January, November and December are in the Low exposure category. In these months, the maximum values of the UV index do not exceed 2. For more detailed information, check out our hourly Darhan UV Index data.

Average daily maximum UV levels by month for Darhan. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)235789996421