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Monthly climate in Darhan, Mongolia

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Darhan features a cold semi-arid climate (BSk). Temperatures typically range between -18 °C (0 °F) and 21 °C (70 °F) through the year, but rarely can drop to -36 °C (-32 °F) or can rise to as high as 36 °C (98 °F). The average annual precipitation amounts to about 235 mm (9.3 inches) and receives 39 rainy days on the 1 mm (0.04 inches) threshold annually. Darhan enjoys an average of 3673 hours of sunshine throughout the year, and daylight varies from 8 hours 37 minutes to 15 hours 45 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 17 to 21 °C (63 - 70 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -18 to -14 °C (0 - 7 °F) throughout the day. On average each year, Darhan experiences 42 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-0°C
(32°F)		7°C
(45°F)		19°C
(67°F)		28°C
(83°F)		33°C
(92°F)		35°C
(94°F)		36°C
(98°F)		32°C
(91°F)		29°C
(85°F)		27°C
(80°F)		11°C
(52°F)		2°C
(35°F)
Mean maximum-4°C
(25°F)		2°C
(36°F)		14°C
(57°F)		24°C
(75°F)		30°C
(86°F)		31°C
(87°F)		33°C
(92°F)		30°C
(86°F)		26°C
(79°F)		20°C
(68°F)		10°C
(50°F)		-3°C
(27°F)
Average high-12°C
(10°F)		-8°C
(18°F)		3°C
(38°F)		11°C
(53°F)		19°C
(66°F)		25°C
(76°F)		27°C
(80°F)		22°C
(72°F)		19°C
(66°F)		8°C
(48°F)		-2°C
(28°F)		-11°C
(13°F)
Daily mean-18°C
(0°F)		-14°C
(7°F)		-3°C
(26°F)		5°C
(41°F)		12°C
(54°F)		19°C
(66°F)		21°C
(70°F)		17°C
(63°F)		12°C
(54°F)		2°C
(36°F)		-8°C
(18°F)		-16°C
(4°F)
Average low-22°C
(-7°F)		-19°C
(-3°F)		-9°C
(16°F)		-2°C
(29°F)		5°C
(41°F)		12°C
(54°F)		15°C
(60°F)		13°C
(55°F)		7°C
(44°F)		-3°C
(26°F)		-12°C
(10°F)		-20°C
(-3°F)
Mean minimum-29°C
(-20°F)		-27°C
(-17°F)		-17°C
(1°F)		-10°C
(14°F)		-3°C
(26°F)		5°C
(41°F)		10°C
(50°F)		7°C
(45°F)		-1°C
(30°F)		-11°C
(13°F)		-22°C
(-8°F)		-28°C
(-18°F)
Minimum-36°C
(-32°F)		-33°C
(-28°F)		-22°C
(-7°F)		-16°C
(4°F)		-7°C
(20°F)		1°C
(34°F)		8°C
(47°F)		2°C
(37°F)		-6°C
(21°F)		-12°C
(11°F)		-26°C
(-14°F)		-31°C
(-24°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 July, August and September, with an average of 8 rainy days and 52 mm (2.0 inches) of precipitation per month. The driest months in Darhan are January, February and December. On average, 2 mm (0.1 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)3 (0.1)4 (0.1)10 (0.4)16 (0.6)25 (1.0)54 (2.1)76 (3.0)26 (1.0)10 (0.4)7 (0.3)2 (0.1)
Average precipitation days (≥ 1 mm)0003351095220

Monthly sunshine hours in Darhan, Mongolia

The sunniest months in Darhan are May, June and July, when the sun shines an average of 11 hours 50 minutes a day. Least sunny months in Darhan: January, November and December receive an average of 7 hours 55 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 hours211270319325363358367337310292260256
Mean daily daylight hours9h 0m10h 17m11h 55m13h 35m15h 1m15h 45m15h 22m14h 7m12h 31m10h 51m9h 23m8h 37m

Solar UV radiation in Darhan, Mongolia

Darhan experiences the highest level of ultraviolet (UV) radiation in May, June and August, when the maximum UV index can reach values of 9 - 10, which corresponds to the Very High category of sun exposure. January, February and December are in the Low / Moderate exposure category. In these months, the maximum values of the UV index do not exceed 3. 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)2357910997532