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Monthly climate in Bayanhoshuu, Mongolia

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Bayanhoshuu features a cold desert climate (BWk). Temperatures typically range between -20 °C (-4 °F) and 22 °C (72 °F) through the year, but rarely can drop to -39 °C (-37 °F) or can rise to as high as 35 °C (95 °F). The average annual precipitation amounts to about 108 mm (4.2 inches) and receives 22 rainy days on the 1 mm (0.04 inches) threshold annually. Bayanhoshuu enjoys an average of 3936 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 Bayanhoshuu, Mongolia

The warmest months in Bayanhoshuu are June, July and August, with daily mean temperatures ranging from 20 to 22 °C (68 - 72 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -20 to -15 °C (-4 - 6 °F) throughout the day. On average each year, Bayanhoshuu experiences 64 days above 25 °C (77.0 °F) and 176 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
Maximum1°C
(34°F)		11°C
(51°F)		18°C
(64°F)		30°C
(85°F)		31°C
(88°F)		33°C
(92°F)		35°C
(95°F)		33°C
(92°F)		31°C
(88°F)		21°C
(71°F)		14°C
(57°F)		3°C
(37°F)
Mean maximum-6°C
(21°F)		2°C
(36°F)		13°C
(55°F)		24°C
(75°F)		29°C
(85°F)		31°C
(88°F)		33°C
(91°F)		31°C
(88°F)		28°C
(83°F)		17°C
(63°F)		10°C
(50°F)		-3°C
(27°F)
Average high-15°C
(6°F)		-8°C
(18°F)		4°C
(39°F)		14°C
(58°F)		21°C
(70°F)		26°C
(80°F)		28°C
(82°F)		26°C
(78°F)		20°C
(68°F)		10°C
(51°F)		-1°C
(30°F)		-13°C
(9°F)
Daily mean-20°C
(-4°F)		-15°C
(6°F)		-3°C
(26°F)		7°C
(45°F)		15°C
(58°F)		21°C
(69°F)		22°C
(72°F)		20°C
(68°F)		14°C
(57°F)		4°C
(39°F)		-7°C
(20°F)		-18°C
(-0°F)
Average low-24°C
(-12°F)		-20°C
(-4°F)		-9°C
(15°F)		-0°C
(32°F)		7°C
(46°F)		14°C
(57°F)		16°C
(62°F)		14°C
(58°F)		7°C
(45°F)		-2°C
(29°F)		-10°C
(13°F)		-21°C
(-6°F)
Mean minimum-31°C
(-24°F)		-27°C
(-17°F)		-19°C
(-2°F)		-7°C
(19°F)		-2°C
(29°F)		9°C
(49°F)		12°C
(53°F)		9°C
(48°F)		-1°C
(31°F)		-8°C
(18°F)		-18°C
(-0°F)		-28°C
(-19°F)
Minimum-39°C
(-37°F)		-32°C
(-26°F)		-22°C
(-8°F)		-10°C
(15°F)		-6°C
(21°F)		6°C
(43°F)		10°C
(50°F)		7°C
(45°F)		-4°C
(25°F)		-10°C
(14°F)		-21°C
(-6°F)		-31°C
(-24°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 May, July and August, with an average of 4 rainy days and 20 mm (0.8 inches) of precipitation per month. The driest months in Bayanhoshuu are January, February and December. On average, 1 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)1 (0.0)2 (0.1)6 (0.2)5 (0.2)13 (0.5)12 (0.5)25 (1.0)24 (0.9)12 (0.5)6 (0.2)2 (0.1)2 (0.1)
Average precipitation days (≥ 1 mm)001233642100

Monthly sunshine hours in Bayanhoshuu, Mongolia

The sunniest months in Bayanhoshuu are May, June and July, when the sun shines an average of 13 hours 3 minutes a day. Least sunny months in Bayanhoshuu: January, November and December receive an average of 7 hours 47 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 hours203270343363396398405374349318264248
Mean daily daylight hours8h 49m10h 11m11h 55m13h 40m15h 12m15h 59m15h 35m14h 14m12h 32m10h 47m9h 13m8h 23m

Solar UV radiation in Bayanhoshuu, Mongolia

Bayanhoshuu experiences the highest level of ultraviolet (UV) radiation in May, June and July, when the maximum UV index can reach values of 9 - 10, 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 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)2357109986421