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Monthly climate in Sumiyn Bulag, Mongolia

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Sumiyn Bulag features a subarctic climate (Dwc). Temperatures typically range between -19 °C (-2 °F) and 21 °C (70 °F) through the year, but rarely can drop to -33 °C (-27 °F) or can rise to as high as 38 °C (101 °F). The average annual precipitation amounts to about 386 mm (15.2 inches) and receives 57 rainy days on the 1 mm (0.04 inches) threshold annually. Sumiyn Bulag enjoys an average of 3574 hours of sunshine throughout the year, and daylight varies from 8 hours 16 minutes to 16 hours 7 minutes per day.

Monthly average temperatures in Sumiyn Bulag, Mongolia

The warmest months in Sumiyn Bulag are June, July and August, with daily mean temperatures ranging from 18 to 21 °C (64 - 70 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -19 to -16 °C (-2 - 4 °F) throughout the day. On average each year, Sumiyn Bulag experiences 45 days above 25 °C (77.0 °F) and 187 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Sumiyn Bulag. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum-1°C
(30°F)		7°C
(44°F)		18°C
(65°F)		27°C
(81°F)		35°C
(95°F)		38°C
(101°F)		36°C
(97°F)		35°C
(95°F)		31°C
(87°F)		24°C
(75°F)		12°C
(53°F)		3°C
(38°F)
Mean maximum-6°C
(22°F)		-0°C
(32°F)		14°C
(58°F)		25°C
(78°F)		31°C
(89°F)		32°C
(90°F)		33°C
(92°F)		30°C
(86°F)		27°C
(80°F)		19°C
(66°F)		9°C
(48°F)		-1°C
(30°F)
Average high-14°C
(8°F)		-10°C
(15°F)		1°C
(34°F)		11°C
(53°F)		19°C
(66°F)		25°C
(77°F)		27°C
(80°F)		23°C
(74°F)		19°C
(66°F)		9°C
(48°F)		-3°C
(27°F)		-11°C
(12°F)
Daily mean-19°C
(-2°F)		-16°C
(4°F)		-5°C
(22°F)		5°C
(40°F)		12°C
(55°F)		19°C
(66°F)		21°C
(70°F)		18°C
(64°F)		12°C
(55°F)		2°C
(36°F)		-8°C
(17°F)		-17°C
(2°F)
Average low-24°C
(-10°F)		-21°C
(-5°F)		-12°C
(11°F)		-3°C
(27°F)		5°C
(42°F)		12°C
(53°F)		15°C
(60°F)		13°C
(56°F)		7°C
(44°F)		-3°C
(26°F)		-13°C
(9°F)		-21°C
(-5°F)
Mean minimum-30°C
(-22°F)		-31°C
(-24°F)		-23°C
(-9°F)		-10°C
(15°F)		-2°C
(28°F)		5°C
(41°F)		10°C
(50°F)		6°C
(43°F)		-0°C
(32°F)		-11°C
(12°F)		-22°C
(-7°F)		-29°C
(-20°F)
Minimum-32°C
(-25°F)		-33°C
(-27°F)		-31°C
(-24°F)		-11°C
(12°F)		-4°C
(25°F)		1°C
(33°F)		9°C
(48°F)		1°C
(34°F)		-4°C
(26°F)		-15°C
(6°F)		-24°C
(-10°F)		-31°C
(-24°F)

Compare climate in Sumiyn Bulag with other places

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

Monthly average precipitation in Sumiyn Bulag, Mongolia

Sumiyn Bulag usually has the most precipitation in June, July and August, with an average of 11 rainy days and 83 mm (3.3 inches) of precipitation per month. The driest months in Sumiyn Bulag are January, November and December. On average, 3 mm (0.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Sumiyn Bulag. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)2 (0.1)7 (0.3)9 (0.4)12 (0.5)34 (1.3)47 (1.8)104 (4.1)97 (3.8)43 (1.7)23 (0.9)5 (0.2)3 (0.1)
Average precipitation days (≥ 1 mm)02226713146410

Monthly sunshine hours in Sumiyn Bulag, Mongolia

The sunniest months in Sumiyn Bulag are May, June and July, when the sun shines an average of 11 hours 42 minutes a day. Least sunny months in Sumiyn Bulag: January, November and December receive an average of 7 hours 30 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Sumiyn Bulag. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours197258311328348361366331301274247244
Mean daily daylight hours8h 42m10h 7m11h 54m13h 43m15h 18m16h 7m15h 42m14h 18m12h 33m10h 45m9h 7m8h 16m

Solar UV radiation in Sumiyn Bulag, Mongolia

Sumiyn Bulag experiences the highest level of ultraviolet (UV) radiation in May, July and August, when the maximum UV index can reach values of 8 - 9, which corresponds to the Very High category of sun exposure. January, February 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 Sumiyn Bulag UV Index data.

Average daily maximum UV levels by month for Sumiyn Bulag. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)124688986421