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Monthly climate in Bayantal, Mongolia

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Bayantal features a cold semi-arid climate (BSk). Temperatures typically range between -18 °C (-1 °F) and 21 °C (71 °F) through the year, but rarely can drop to -35 °C (-31 °F) or can rise to as high as 37 °C (98 °F). The average annual precipitation amounts to about 205 mm (8.1 inches) and receives 35 rainy days on the 1 mm (0.04 inches) threshold annually. Bayantal enjoys an average of 3718 hours of sunshine throughout the year, and daylight varies from 8 hours 37 minutes to 15 hours 44 minutes per day.

Monthly average temperatures in Bayantal, Mongolia

The warmest months in Bayantal are June, July and August, with daily mean temperatures ranging from 18 to 21 °C (64 - 71 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -18 to -14 °C (-1 - 6 °F) throughout the day. On average each year, Bayantal experiences 48 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 Bayantal. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum-3°C
(27°F)		8°C
(47°F)		19°C
(67°F)		29°C
(84°F)		34°C
(93°F)		35°C
(96°F)		37°C
(98°F)		32°C
(91°F)		30°C
(86°F)		25°C
(78°F)		11°C
(52°F)		2°C
(36°F)
Mean maximum-5°C
(23°F)		2°C
(36°F)		14°C
(58°F)		24°C
(76°F)		30°C
(86°F)		31°C
(88°F)		34°C
(93°F)		30°C
(86°F)		26°C
(80°F)		19°C
(66°F)		9°C
(49°F)		-3°C
(27°F)
Average high-13°C
(10°F)		-8°C
(19°F)		4°C
(39°F)		12°C
(54°F)		19°C
(67°F)		25°C
(77°F)		27°C
(81°F)		23°C
(73°F)		19°C
(67°F)		9°C
(48°F)		-2°C
(29°F)		-11°C
(12°F)
Daily mean-18°C
(-1°F)		-14°C
(6°F)		-3°C
(26°F)		5°C
(41°F)		12°C
(54°F)		19°C
(67°F)		21°C
(71°F)		18°C
(64°F)		12°C
(55°F)		2°C
(36°F)		-8°C
(18°F)		-17°C
(2°F)
Average low-23°C
(-9°F)		-20°C
(-4°F)		-10°C
(15°F)		-2°C
(29°F)		5°C
(40°F)		12°C
(54°F)		15°C
(60°F)		13°C
(55°F)		6°C
(44°F)		-4°C
(26°F)		-13°C
(9°F)		-21°C
(-5°F)
Mean minimum-30°C
(-21°F)		-28°C
(-18°F)		-18°C
(0°F)		-11°C
(13°F)		-4°C
(25°F)		5°C
(42°F)		9°C
(49°F)		8°C
(46°F)		-2°C
(29°F)		-11°C
(13°F)		-23°C
(-10°F)		-28°C
(-19°F)
Minimum-35°C
(-31°F)		-32°C
(-26°F)		-21°C
(-6°F)		-19°C
(-1°F)		-7°C
(19°F)		1°C
(33°F)		7°C
(45°F)		4°C
(39°F)		-6°C
(21°F)		-12°C
(11°F)		-29°C
(-20°F)		-31°C
(-24°F)

Compare climate in Bayantal with other places

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

Monthly average precipitation in Bayantal, Mongolia

Bayantal usually has the most precipitation in June, July and August, with an average of 7 rainy days and 45 mm (1.8 inches) of precipitation per month. The driest months in Bayantal are January, February and December. On average, 2 mm (0.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Bayantal. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)1 (0.0)3 (0.1)3 (0.1)9 (0.3)17 (0.7)22 (0.8)52 (2.1)61 (2.4)20 (0.8)11 (0.4)6 (0.2)2 (0.1)
Average precipitation days (≥ 1 mm)0102446114120

Monthly sunshine hours in Bayantal, Mongolia

The sunniest months in Bayantal are May, June and July, when the sun shines an average of 11 hours 57 minutes a day. Least sunny months in Bayantal: January, November and December receive an average of 7 hours 58 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Bayantal. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours211271321331370359370349315294265256
Mean daily daylight hours9h 1m10h 18m11h 55m13h 35m15h 0m15h 44m15h 22m14h 6m12h 30m10h 51m9h 23m8h 37m

Solar UV radiation in Bayantal, Mongolia

Bayantal experiences the highest level of ultraviolet (UV) radiation in May, June and August, when the maximum UV index can reach values of 9 - 10, 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 Bayantal UV Index data.

Average daily maximum UV levels by month for Bayantal. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)2357910997532