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Monthly climate in Sumber, Mongolia

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Sumber features a humid continental climate (Dwb). Temperatures typically range between -22 °C (-7 °F) and 22 °C (73 °F) through the year, but rarely can drop to -41 °C (-41 °F) or can rise to as high as 37 °C (99 °F). The average annual precipitation amounts to about 431 mm (17.0 inches) and receives 65 rainy days on the 1 mm (0.04 inches) threshold annually. Sumber enjoys an average of 3464 hours of sunshine throughout the year, and daylight varies from 8 hours 28 minutes to 15 hours 54 minutes per day.

Monthly average temperatures in Sumber, Mongolia

The warmest months in Sumber are June, July and August, with daily mean temperatures ranging from 19 to 22 °C (66 - 73 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -22 to -18 °C (-7 - -1 °F) throughout the day. On average each year, Sumber experiences 53 days above 25 °C (77.0 °F) and 184 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Sumber. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum-4°C
(25°F)		4°C
(39°F)		17°C
(63°F)		27°C
(81°F)		37°C
(99°F)		37°C
(99°F)		35°C
(94°F)		35°C
(95°F)		32°C
(90°F)		31°C
(88°F)		12°C
(54°F)		4°C
(40°F)
Mean maximum-8°C
(18°F)		-2°C
(29°F)		14°C
(57°F)		25°C
(77°F)		32°C
(89°F)		33°C
(92°F)		33°C
(92°F)		33°C
(91°F)		28°C
(82°F)		23°C
(73°F)		10°C
(50°F)		-3°C
(27°F)
Average high-16°C
(3°F)		-12°C
(11°F)		0°C
(33°F)		11°C
(53°F)		19°C
(67°F)		25°C
(78°F)		28°C
(82°F)		24°C
(75°F)		19°C
(67°F)		9°C
(49°F)		-3°C
(27°F)		-14°C
(8°F)
Daily mean-22°C
(-7°F)		-18°C
(-1°F)		-6°C
(22°F)		5°C
(41°F)		13°C
(55°F)		19°C
(67°F)		22°C
(73°F)		19°C
(66°F)		13°C
(56°F)		3°C
(38°F)		-9°C
(17°F)		-19°C
(-2°F)
Average low-27°C
(-16°F)		-24°C
(-12°F)		-12°C
(11°F)		-2°C
(28°F)		5°C
(42°F)		12°C
(54°F)		17°C
(62°F)		14°C
(57°F)		7°C
(45°F)		-2°C
(28°F)		-13°C
(8°F)		-23°C
(-9°F)
Mean minimum-36°C
(-32°F)		-35°C
(-32°F)		-24°C
(-10°F)		-11°C
(13°F)		-3°C
(28°F)		5°C
(42°F)		11°C
(53°F)		7°C
(46°F)		-0°C
(31°F)		-10°C
(15°F)		-24°C
(-11°F)		-33°C
(-27°F)
Minimum-41°C
(-41°F)		-39°C
(-38°F)		-31°C
(-23°F)		-12°C
(11°F)		-6°C
(22°F)		2°C
(35°F)		9°C
(49°F)		3°C
(38°F)		-3°C
(28°F)		-12°C
(11°F)		-30°C
(-23°F)		-38°C
(-37°F)

Compare climate in Sumber with other places

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

Monthly average precipitation in Sumber, Mongolia

Sumber usually has the most precipitation in July, August and September, with an average of 12 rainy days and 91 mm (3.6 inches) of precipitation per month. The driest months in Sumber are January, March and December. On average, 6 mm (0.2 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Sumber. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)4 (0.1)8 (0.3)7 (0.3)12 (0.5)39 (1.5)54 (2.1)103 (4.0)112 (4.4)59 (2.3)20 (0.8)9 (0.4)6 (0.2)
Average precipitation days (≥ 1 mm)011371013149421

Monthly sunshine hours in Sumber, Mongolia

The sunniest months in Sumber are May, June and July, when the sun shines an average of 11 hours 32 minutes a day. Least sunny months in Sumber: January, November and December receive an average of 7 hours 18 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Sumber. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours192249303321349350361313279263237242
Mean daily daylight hours8h 53m10h 13m11h 54m13h 38m15h 8m15h 54m15h 30m14h 11m12h 32m10h 49m9h 17m8h 28m

Solar UV radiation in Sumber, Mongolia

Sumber experiences the highest level of ultraviolet (UV) radiation in June, 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, 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 Sumber UV Index data.

Average daily maximum UV levels by month for Sumber. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)235689996422