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Monthly climate in Bayan-Uhaa, Mongolia

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Bayan-Uhaa features a subarctic climate (Dwc). Temperatures typically range between -23 °C (-10 °F) and 16 °C (62 °F) through the year, but rarely can drop to -42 °C (-43 °F) or can rise to as high as 31 °C (88 °F). The average annual precipitation amounts to about 329 mm (13.0 inches) and receives 69 rainy days on the 1 mm (0.04 inches) threshold annually. Bayan-Uhaa enjoys an average of 3783 hours of sunshine throughout the year, and daylight varies from 8 hours 19 minutes to 16 hours 3 minutes per day.

Monthly average temperatures in Bayan-Uhaa, Mongolia

The warmest months in Bayan-Uhaa are June, July and August, with daily mean temperatures ranging from 14 to 16 °C (57 - 62 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -23 to -19 °C (-10 - -3 °F) throughout the day. On average each year, Bayan-Uhaa experiences 13 days above 25 °C (77.0 °F) and 211 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Bayan-Uhaa. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum-6°C
(21°F)		4°C
(39°F)		13°C
(56°F)		24°C
(76°F)		26°C
(80°F)		31°C
(87°F)		31°C
(88°F)		28°C
(82°F)		27°C
(80°F)		18°C
(64°F)		7°C
(44°F)		-2°C
(28°F)
Mean maximum-10°C
(15°F)		-3°C
(27°F)		6°C
(43°F)		19°C
(66°F)		25°C
(78°F)		27°C
(80°F)		28°C
(83°F)		25°C
(78°F)		22°C
(73°F)		13°C
(56°F)		4°C
(40°F)		-7°C
(20°F)
Average high-17°C
(1°F)		-12°C
(10°F)		-3°C
(28°F)		8°C
(47°F)		15°C
(59°F)		21°C
(69°F)		22°C
(72°F)		20°C
(67°F)		15°C
(59°F)		5°C
(41°F)		-7°C
(20°F)		-16°C
(4°F)
Daily mean-23°C
(-10°F)		-19°C
(-3°F)		-10°C
(15°F)		1°C
(35°F)		9°C
(48°F)		14°C
(58°F)		16°C
(62°F)		14°C
(57°F)		8°C
(46°F)		-2°C
(29°F)		-12°C
(10°F)		-21°C
(-5°F)
Average low-29°C
(-19°F)		-26°C
(-15°F)		-17°C
(1°F)		-5°C
(23°F)		2°C
(35°F)		7°C
(45°F)		10°C
(51°F)		8°C
(47°F)		2°C
(35°F)		-7°C
(19°F)		-17°C
(1°F)		-25°C
(-13°F)
Mean minimum-37°C
(-34°F)		-35°C
(-30°F)		-27°C
(-17°F)		-17°C
(1°F)		-7°C
(20°F)		1°C
(34°F)		6°C
(43°F)		3°C
(38°F)		-6°C
(21°F)		-15°C
(6°F)		-28°C
(-18°F)		-34°C
(-28°F)
Minimum-40°C
(-40°F)		-42°C
(-43°F)		-31°C
(-23°F)		-25°C
(-13°F)		-8°C
(18°F)		-2°C
(29°F)		5°C
(41°F)		1°C
(35°F)		-8°C
(18°F)		-21°C
(-6°F)		-35°C
(-32°F)		-39°C
(-38°F)

Compare climate in Bayan-Uhaa with other places

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

Monthly average precipitation in Bayan-Uhaa, Mongolia

Bayan-Uhaa usually has the most precipitation in June, July and August, with an average of 11 rainy days and 61 mm (2.4 inches) of precipitation per month. The driest months in Bayan-Uhaa are January, February and December. On average, 5 mm (0.2 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Bayan-Uhaa. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)3 (0.1)8 (0.3)12 (0.5)25 (1.0)31 (1.2)40 (1.6)67 (2.6)75 (3.0)34 (1.3)20 (0.8)10 (0.4)4 (0.2)
Average precipitation days (≥ 1 mm)02357814137631

Monthly sunshine hours in Bayan-Uhaa, Mongolia

The sunniest months in Bayan-Uhaa are May, June and July, when the sun shines an average of 12 hours 24 minutes a day. Least sunny months in Bayan-Uhaa: January, November and December receive an average of 7 hours 42 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Bayan-Uhaa. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours201269336346383375383352319307261247
Mean daily daylight hours8h 45m10h 9m11h 54m13h 42m15h 15m16h 3m15h 39m14h 16m12h 32m10h 46m9h 10m8h 19m

Solar UV radiation in Bayan-Uhaa, Mongolia

Bayan-Uhaa experiences the highest level of ultraviolet (UV) radiation in May, July and August, 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 Bayan-Uhaa UV Index data.

Average daily maximum UV levels by month for Bayan-Uhaa. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)2368109996522