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Monthly climate in Bayanhoshuu, Mongolia

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Bayanhoshuu features a subarctic climate (Dwc). Temperatures typically range between -22 °C (-7 °F) and 14 °C (57 °F) through the year, but rarely can drop to -44 °C (-46 °F) or can rise to as high as 27 °C (81 °F). The average annual precipitation amounts to about 293 mm (11.6 inches) and receives 54 rainy days on the 1 mm (0.04 inches) threshold annually. Bayanhoshuu enjoys an average of 3857 hours of sunshine throughout the year, and daylight varies from 8 hours 36 minutes to 15 hours 46 minutes per day.

Monthly average temperatures in Bayanhoshuu, Mongolia

The warmest months in Bayanhoshuu are June, July and August, with daily mean temperatures ranging from 11 to 14 °C (53 - 57 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -22 to -18 °C (-7 - -1 °F) throughout the day. On average each year, Bayanhoshuu experiences 1 days above 25 °C (77.0 °F) and 221 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Bayanhoshuu. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum-5°C
(24°F)		2°C
(36°F)		10°C
(50°F)		20°C
(68°F)		22°C
(73°F)		27°C
(80°F)		27°C
(81°F)		24°C
(75°F)		23°C
(73°F)		15°C
(60°F)		8°C
(46°F)		-3°C
(26°F)
Mean maximum-8°C
(18°F)		-3°C
(27°F)		6°C
(42°F)		15°C
(60°F)		21°C
(71°F)		22°C
(72°F)		24°C
(76°F)		21°C
(71°F)		18°C
(65°F)		10°C
(51°F)		4°C
(40°F)		-6°C
(21°F)
Average high-15°C
(5°F)		-12°C
(11°F)		-2°C
(28°F)		6°C
(43°F)		12°C
(54°F)		17°C
(64°F)		19°C
(66°F)		17°C
(62°F)		12°C
(54°F)		3°C
(38°F)		-7°C
(20°F)		-14°C
(7°F)
Daily mean-22°C
(-7°F)		-18°C
(-1°F)		-9°C
(16°F)		0°C
(33°F)		6°C
(44°F)		12°C
(53°F)		14°C
(57°F)		11°C
(53°F)		6°C
(44°F)		-3°C
(27°F)		-12°C
(10°F)		-21°C
(-5°F)
Average low-28°C
(-17°F)		-25°C
(-13°F)		-16°C
(3°F)		-5°C
(22°F)		-0°C
(32°F)		5°C
(41°F)		8°C
(47°F)		7°C
(44°F)		1°C
(34°F)		-8°C
(18°F)		-18°C
(1°F)		-26°C
(-15°F)
Mean minimum-36°C
(-33°F)		-35°C
(-31°F)		-26°C
(-15°F)		-15°C
(5°F)		-9°C
(17°F)		-1°C
(30°F)		3°C
(38°F)		1°C
(34°F)		-7°C
(20°F)		-15°C
(4°F)		-31°C
(-23°F)		-37°C
(-34°F)
Minimum-41°C
(-41°F)		-37°C
(-34°F)		-31°C
(-24°F)		-19°C
(-2°F)		-11°C
(13°F)		-5°C
(24°F)		1°C
(35°F)		-2°C
(28°F)		-10°C
(14°F)		-20°C
(-3°F)		-35°C
(-31°F)		-44°C
(-46°F)

Compare climate in Bayanhoshuu with other places

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

Monthly average precipitation in Bayanhoshuu, Mongolia

Bayanhoshuu usually has the most precipitation in June, July and August, with an average of 10 rainy days and 63 mm (2.5 inches) of precipitation per month. The driest months in Bayanhoshuu 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 Bayanhoshuu. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)2 (0.1)5 (0.2)9 (0.4)20 (0.8)23 (0.9)40 (1.6)72 (2.8)78 (3.1)28 (1.1)9 (0.4)6 (0.3)2 (0.1)
Average precipitation days (≥ 1 mm)01236713125320

Monthly sunshine hours in Bayanhoshuu, Mongolia

The sunniest months in Bayanhoshuu are May, June and July, when the sun shines an average of 12 hours 27 minutes a day. Least sunny months in Bayanhoshuu: January, November and December receive an average of 8 hours 6 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Bayanhoshuu. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours211277335345380379385363327317272261
Mean daily daylight hours9h 0m10h 17m11h 55m13h 35m15h 1m15h 46m15h 23m14h 7m12h 30m10h 51m9h 22m8h 36m

Solar UV radiation in Bayanhoshuu, Mongolia

Bayanhoshuu experiences the highest level of ultraviolet (UV) radiation in May, July and August, when the maximum UV index can reach values of 10 - 11, which corresponds to the Very High / Extreme 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 Bayanhoshuu UV Index data.

Average daily maximum UV levels by month for Bayanhoshuu. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)2369111010107532