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Monthly climate in Undurkhaan, Mongolia

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Undurkhaan features a subarctic climate (Dwc). Temperatures typically range between -21 °C (-6 °F) and 21 °C (70 °F) through the year, but rarely can drop to -40 °C (-40 °F) or can rise to as high as 37 °C (99 °F). The average annual precipitation amounts to about 270 mm (10.6 inches) and receives 43 rainy days on the 1 mm (0.04 inches) threshold annually. Undurkhaan enjoys an average of 3661 hours of sunshine throughout the year, and daylight varies from 8 hours 31 minutes to 15 hours 51 minutes per day.

Monthly average temperatures in Undurkhaan, Mongolia

The warmest months in Undurkhaan 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 -21 to -17 °C (-6 - 2 °F) throughout the day. On average each year, Undurkhaan experiences 46 days above 25 °C (77.0 °F) and 192 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Undurkhaan. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum-2°C
(28°F)		3°C
(37°F)		20°C
(68°F)		29°C
(84°F)		34°C
(94°F)		36°C
(97°F)		37°C
(99°F)		33°C
(91°F)		30°C
(87°F)		26°C
(78°F)		11°C
(52°F)		2°C
(36°F)
Mean maximum-7°C
(19°F)		-0°C
(32°F)		15°C
(59°F)		25°C
(76°F)		31°C
(88°F)		31°C
(88°F)		34°C
(94°F)		30°C
(86°F)		27°C
(80°F)		20°C
(68°F)		9°C
(48°F)		-4°C
(25°F)
Average high-15°C
(6°F)		-10°C
(15°F)		3°C
(37°F)		12°C
(54°F)		19°C
(66°F)		25°C
(77°F)		27°C
(80°F)		22°C
(73°F)		19°C
(66°F)		9°C
(48°F)		-3°C
(26°F)		-13°C
(8°F)
Daily mean-21°C
(-6°F)		-17°C
(2°F)		-4°C
(25°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
(35°F)		-9°C
(15°F)		-19°C
(-2°F)
Average low-27°C
(-16°F)		-24°C
(-11°F)		-11°C
(13°F)		-2°C
(28°F)		4°C
(40°F)		12°C
(53°F)		15°C
(60°F)		12°C
(54°F)		6°C
(43°F)		-4°C
(25°F)		-15°C
(6°F)		-24°C
(-10°F)
Mean minimum-34°C
(-29°F)		-33°C
(-28°F)		-21°C
(-6°F)		-10°C
(15°F)		-4°C
(26°F)		5°C
(40°F)		9°C
(49°F)		6°C
(44°F)		-2°C
(28°F)		-11°C
(13°F)		-27°C
(-16°F)		-33°C
(-27°F)
Minimum-40°C
(-40°F)		-36°C
(-33°F)		-25°C
(-12°F)		-12°C
(11°F)		-6°C
(21°F)		1°C
(33°F)		6°C
(43°F)		1°C
(35°F)		-6°C
(21°F)		-11°C
(12°F)		-34°C
(-28°F)		-37°C
(-34°F)

Compare climate in Undurkhaan with other places

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

Monthly average precipitation in Undurkhaan, Mongolia

Undurkhaan usually has the most precipitation in June, July and August, with an average of 9 rainy days and 60 mm (2.3 inches) of precipitation per month. The driest months in Undurkhaan are January, February and December. On average, 3 mm (0.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Undurkhaan. 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 (0.2)9 (0.3)19 (0.7)34 (1.3)69 (2.7)76 (3.0)29 (1.1)14 (0.6)9 (0.3)3 (0.1)
Average precipitation days (≥ 1 mm)00023512115221

Monthly sunshine hours in Undurkhaan, Mongolia

The sunniest months in Undurkhaan are May, June and July, when the sun shines an average of 11 hours 51 minutes a day. Least sunny months in Undurkhaan: January, November and December receive an average of 7 hours 50 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Undurkhaan. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours208268319324364360365339308288258253
Mean daily daylight hours8h 55m10h 15m11h 55m13h 37m15h 6m15h 51m15h 28m14h 10m12h 31m10h 49m9h 19m8h 31m

Solar UV radiation in Undurkhaan, Mongolia

Undurkhaan experiences the highest level of ultraviolet (UV) radiation in May, 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 Undurkhaan UV Index data.

Average daily maximum UV levels by month for Undurkhaan. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)235799996421