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Monthly climate in Bornuur, Mongolia

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Bornuur features a subarctic climate (Dwc). Temperatures typically range between -19 °C (-3 °F) and 19 °C (67 °F) through the year, but rarely can drop to -42 °C (-43 °F) or can rise to as high as 36 °C (97 °F). The average annual precipitation amounts to about 430 mm (16.9 inches) and receives 66 rainy days on the 1 mm (0.04 inches) threshold annually. Bornuur enjoys an average of 3674 hours of sunshine throughout the year, and daylight varies from 8 hours 22 minutes to 16 hours 1 minutes per day.

Monthly average temperatures in Bornuur, Mongolia

The warmest months in Bornuur are June, July and August, with daily mean temperatures ranging from 16 to 19 °C (62 - 67 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -19 to -16 °C (-3 - 4 °F) throughout the day. On average each year, Bornuur experiences 38 days above 25 °C (77.0 °F) and 195 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Bornuur. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum-3°C
(26°F)		7°C
(45°F)		20°C
(68°F)		29°C
(84°F)		33°C
(92°F)		36°C
(97°F)		35°C
(95°F)		31°C
(88°F)		31°C
(87°F)		24°C
(76°F)		12°C
(54°F)		3°C
(38°F)
Mean maximum-5°C
(23°F)		2°C
(36°F)		15°C
(58°F)		23°C
(74°F)		30°C
(87°F)		31°C
(89°F)		32°C
(90°F)		29°C
(85°F)		26°C
(79°F)		18°C
(65°F)		10°C
(50°F)		-3°C
(27°F)
Average high-13°C
(9°F)		-9°C
(17°F)		3°C
(37°F)		11°C
(53°F)		18°C
(65°F)		24°C
(75°F)		25°C
(77°F)		22°C
(72°F)		17°C
(64°F)		8°C
(47°F)		-3°C
(27°F)		-11°C
(12°F)
Daily mean-19°C
(-3°F)		-16°C
(4°F)		-4°C
(25°F)		4°C
(40°F)		11°C
(52°F)		18°C
(64°F)		19°C
(67°F)		16°C
(62°F)		11°C
(52°F)		1°C
(35°F)		-9°C
(17°F)		-17°C
(1°F)
Average low-24°C
(-12°F)		-22°C
(-8°F)		-10°C
(14°F)		-2°C
(28°F)		3°C
(38°F)		11°C
(51°F)		14°C
(57°F)		12°C
(53°F)		5°C
(42°F)		-4°C
(26°F)		-13°C
(8°F)		-22°C
(-7°F)
Mean minimum-34°C
(-29°F)		-32°C
(-25°F)		-22°C
(-7°F)		-10°C
(14°F)		-4°C
(25°F)		3°C
(38°F)		9°C
(48°F)		6°C
(43°F)		-2°C
(29°F)		-11°C
(13°F)		-25°C
(-13°F)		-31°C
(-24°F)
Minimum-42°C
(-43°F)		-38°C
(-37°F)		-27°C
(-17°F)		-13°C
(9°F)		-5°C
(23°F)		-0°C
(32°F)		7°C
(44°F)		2°C
(36°F)		-5°C
(23°F)		-13°C
(9°F)		-33°C
(-27°F)		-36°C
(-33°F)

Compare climate in Bornuur with other places

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

Monthly average precipitation in Bornuur, Mongolia

Bornuur usually has the most precipitation in July, August and September, with an average of 11 rainy days and 85 mm (3.3 inches) of precipitation per month. The driest months in Bornuur 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 Bornuur. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)3 (0.1)7 (0.3)9 (0.4)20 (0.8)31 (1.2)58 (2.3)84 (3.3)102 (4.0)68 (2.7)31 (1.2)12 (0.5)4 (0.2)
Average precipitation days (≥ 1 mm)01346812138641

Monthly sunshine hours in Bornuur, Mongolia

The sunniest months in Bornuur are May, June and July, when the sun shines an average of 12 hours 0 minutes a day. Least sunny months in Bornuur: January, November and December receive an average of 7 hours 40 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Bornuur. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours200263326334373367364339308291258247
Mean daily daylight hours8h 47m10h 10m11h 54m13h 41m15h 13m16h 1m15h 37m14h 15m12h 32m10h 46m9h 12m8h 22m

Solar UV radiation in Bornuur, Mongolia

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

Average daily maximum UV levels by month for Bornuur. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)235789986431