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Monthly climate in Ulaanhudag, Mongolia

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Ulaanhudag features a cold semi-arid climate (BSk). Temperatures typically range between -18 °C (1 °F) and 20 °C (68 °F) through the year, but rarely can drop to -37 °C (-34 °F) or can rise to as high as 36 °C (98 °F). The average annual precipitation amounts to about 308 mm (12.1 inches) and receives 56 rainy days on the 1 mm (0.04 inches) threshold annually. Ulaanhudag enjoys an average of 3793 hours of sunshine throughout the year, and daylight varies from 8 hours 31 minutes to 15 hours 51 minutes per day.

Monthly average temperatures in Ulaanhudag, Mongolia

The warmest months in Ulaanhudag are June, July and August, with daily mean temperatures ranging from 17 to 20 °C (62 - 68 °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 - 7 °F) throughout the day. On average each year, Ulaanhudag experiences 36 days above 25 °C (77.0 °F) and 193 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Ulaanhudag. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum1°C
(33°F)		11°C
(52°F)		19°C
(66°F)		28°C
(83°F)		33°C
(91°F)		35°C
(95°F)		36°C
(98°F)		31°C
(89°F)		30°C
(87°F)		25°C
(77°F)		14°C
(57°F)		7°C
(44°F)
Mean maximum-3°C
(28°F)		3°C
(38°F)		13°C
(57°F)		23°C
(73°F)		30°C
(86°F)		30°C
(86°F)		33°C
(92°F)		29°C
(85°F)		26°C
(79°F)		19°C
(66°F)		11°C
(53°F)		-1°C
(30°F)
Average high-12°C
(11°F)		-7°C
(19°F)		3°C
(38°F)		11°C
(52°F)		18°C
(65°F)		23°C
(74°F)		25°C
(77°F)		22°C
(72°F)		18°C
(65°F)		9°C
(48°F)		-2°C
(29°F)		-10°C
(14°F)
Daily mean-18°C
(1°F)		-14°C
(7°F)		-4°C
(25°F)		4°C
(40°F)		11°C
(53°F)		18°C
(64°F)		20°C
(68°F)		17°C
(62°F)		11°C
(53°F)		2°C
(35°F)		-8°C
(18°F)		-16°C
(3°F)
Average low-23°C
(-8°F)		-20°C
(-3°F)		-10°C
(14°F)		-2°C
(28°F)		4°C
(39°F)		11°C
(52°F)		14°C
(58°F)		12°C
(54°F)		6°C
(43°F)		-4°C
(25°F)		-13°C
(9°F)		-21°C
(-5°F)
Mean minimum-32°C
(-25°F)		-28°C
(-18°F)		-20°C
(-3°F)		-10°C
(14°F)		-4°C
(25°F)		2°C
(37°F)		9°C
(48°F)		6°C
(44°F)		-1°C
(31°F)		-10°C
(14°F)		-23°C
(-9°F)		-30°C
(-22°F)
Minimum-37°C
(-34°F)		-33°C
(-27°F)		-23°C
(-9°F)		-14°C
(8°F)		-7°C
(20°F)		0°C
(33°F)		7°C
(44°F)		4°C
(39°F)		-6°C
(22°F)		-12°C
(11°F)		-26°C
(-15°F)		-35°C
(-30°F)

Compare climate in Ulaanhudag with other places

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

Monthly average precipitation in Ulaanhudag, Mongolia

Ulaanhudag usually has the most precipitation in July, August and September, with an average of 10 rainy days and 62 mm (2.4 inches) of precipitation per month. The driest months in Ulaanhudag are January, February and December. On average, 4 mm (0.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Ulaanhudag. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)2 (0.1)5 (0.2)6 (0.2)19 (0.7)22 (0.9)40 (1.6)59 (2.3)82 (3.2)44 (1.7)15 (0.6)11 (0.4)3 (0.1)
Average precipitation days (≥ 1 mm)01254811127321

Monthly sunshine hours in Ulaanhudag, Mongolia

The sunniest months in Ulaanhudag are May, June and July, when the sun shines an average of 12 hours 19 minutes a day. Least sunny months in Ulaanhudag: 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 Ulaanhudag. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours208270330338379372382359322305266257
Mean daily daylight hours8h 55m10h 15m11h 55m13h 37m15h 6m15h 51m15h 28m14h 10m12h 31m10h 49m9h 19m8h 31m

Solar UV radiation in Ulaanhudag, Mongolia

Ulaanhudag 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 Ulaanhudag UV Index data.

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