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Monthly climate in Bayanbulag, Mongolia

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Bayanbulag features a subarctic climate (Dwc). Temperatures typically range between -21 °C (-6 °F) and 19 °C (66 °F) through the year, but rarely can drop to -41 °C (-41 °F) or can rise to as high as 35 °C (95 °F). The average annual precipitation amounts to about 374 mm (14.7 inches) and receives 54 rainy days on the 1 mm (0.04 inches) threshold annually. Bayanbulag enjoys an average of 3662 hours of sunshine throughout the year, and daylight varies from 8 hours 27 minutes to 15 hours 56 minutes per day.

Monthly average temperatures in Bayanbulag, Mongolia

The warmest months in Bayanbulag are June, July and August, with daily mean temperatures ranging from 16 to 19 °C (61 - 66 °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, Bayanbulag experiences 27 days above 25 °C (77.0 °F) and 201 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Bayanbulag. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum0°C
(33°F)		5°C
(42°F)		19°C
(66°F)		27°C
(80°F)		33°C
(91°F)		35°C
(95°F)		35°C
(95°F)		30°C
(87°F)		28°C
(83°F)		24°C
(75°F)		10°C
(51°F)		1°C
(34°F)
Mean maximum-6°C
(21°F)		0°C
(32°F)		14°C
(57°F)		23°C
(74°F)		29°C
(85°F)		30°C
(86°F)		32°C
(89°F)		27°C
(81°F)		25°C
(77°F)		18°C
(64°F)		8°C
(47°F)		-4°C
(25°F)
Average high-14°C
(6°F)		-10°C
(15°F)		2°C
(36°F)		11°C
(51°F)		17°C
(63°F)		23°C
(74°F)		24°C
(76°F)		21°C
(70°F)		17°C
(63°F)		7°C
(46°F)		-4°C
(25°F)		-13°C
(9°F)
Daily mean-21°C
(-6°F)		-17°C
(2°F)		-5°C
(23°F)		4°C
(39°F)		11°C
(51°F)		17°C
(63°F)		19°C
(66°F)		16°C
(61°F)		10°C
(51°F)		0°C
(33°F)		-10°C
(14°F)		-19°C
(-2°F)
Average low-27°C
(-16°F)		-24°C
(-11°F)		-11°C
(12°F)		-3°C
(26°F)		3°C
(37°F)		10°C
(51°F)		13°C
(56°F)		11°C
(52°F)		4°C
(40°F)		-5°C
(23°F)		-16°C
(4°F)		-24°C
(-11°F)
Mean minimum-34°C
(-28°F)		-33°C
(-27°F)		-21°C
(-6°F)		-11°C
(12°F)		-5°C
(24°F)		3°C
(37°F)		8°C
(46°F)		5°C
(41°F)		-4°C
(26°F)		-12°C
(11°F)		-28°C
(-18°F)		-32°C
(-26°F)
Minimum-37°C
(-34°F)		-39°C
(-38°F)		-25°C
(-13°F)		-13°C
(8°F)		-7°C
(20°F)		-1°C
(31°F)		4°C
(40°F)		0°C
(33°F)		-8°C
(19°F)		-13°C
(9°F)		-41°C
(-41°F)		-39°C
(-38°F)

Compare climate in Bayanbulag with other places

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

Monthly average precipitation in Bayanbulag, Mongolia

Bayanbulag usually has the most precipitation in June, July and August, with an average of 10 rainy days and 83 mm (3.3 inches) of precipitation per month. The driest months in Bayanbulag 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 Bayanbulag. 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)5 (0.2)13 (0.5)31 (1.2)54 (2.1)103 (4.0)91 (3.6)39 (1.5)20 (0.8)9 (0.4)3 (0.1)
Average precipitation days (≥ 1 mm)00037812126321

Monthly sunshine hours in Bayanbulag, Mongolia

The sunniest months in Bayanbulag are May, June and July, when the sun shines an average of 11 hours 56 minutes a day. Least sunny months in Bayanbulag: January, November and December receive an average of 7 hours 49 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Bayanbulag. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours208267321323368365364334306290259252
Mean daily daylight hours8h 52m10h 13m11h 54m13h 39m15h 9m15h 56m15h 32m14h 12m12h 32m10h 48m9h 16m8h 27m

Solar UV radiation in Bayanbulag, Mongolia

Bayanbulag 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, 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 Bayanbulag UV Index data.

Average daily maximum UV levels by month for Bayanbulag. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)235799997432