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Monthly climate in Ulaanjirem, Mongolia

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Ulaanjirem features a cold desert climate (BWk). Temperatures typically range between -16 °C (4 °F) and 24 °C (75 °F) through the year, but rarely can drop to -33 °C (-27 °F) or can rise to as high as 38 °C (100 °F). The average annual precipitation amounts to about 120 mm (4.7 inches) and receives 18 rainy days on the 1 mm (0.04 inches) threshold annually. Ulaanjirem enjoys an average of 3739 hours of sunshine throughout the year, and daylight varies from 8 hours 48 minutes to 15 hours 32 minutes per day.

Monthly average temperatures in Ulaanjirem, Mongolia

The warmest months in Ulaanjirem are June, July and August, with daily mean temperatures ranging from 20 to 24 °C (68 - 75 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -16 to -11 °C (4 - 12 °F) throughout the day. On average each year, Ulaanjirem experiences 72 days above 25 °C (77.0 °F) and 169 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Ulaanjirem. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum-1°C
(31°F)		13°C
(56°F)		20°C
(69°F)		29°C
(84°F)		34°C
(94°F)		37°C
(99°F)		38°C
(100°F)		34°C
(93°F)		31°C
(88°F)		28°C
(83°F)		15°C
(60°F)		7°C
(45°F)
Mean maximum-3°C
(27°F)		6°C
(42°F)		16°C
(61°F)		26°C
(78°F)		31°C
(88°F)		33°C
(91°F)		35°C
(96°F)		32°C
(90°F)		28°C
(83°F)		21°C
(70°F)		13°C
(55°F)		-1°C
(31°F)
Average high-10°C
(14°F)		-4°C
(24°F)		6°C
(44°F)		15°C
(59°F)		21°C
(70°F)		27°C
(81°F)		29°C
(85°F)		25°C
(78°F)		22°C
(71°F)		11°C
(52°F)		0°C
(33°F)		-9°C
(16°F)
Daily mean-16°C
(4°F)		-11°C
(12°F)		-0°C
(31°F)		8°C
(47°F)		15°C
(59°F)		21°C
(71°F)		24°C
(75°F)		20°C
(68°F)		15°C
(60°F)		4°C
(40°F)		-6°C
(22°F)		-15°C
(6°F)
Average low-21°C
(-6°F)		-18°C
(1°F)		-7°C
(20°F)		1°C
(35°F)		8°C
(46°F)		15°C
(58°F)		18°C
(64°F)		15°C
(59°F)		9°C
(49°F)		-1°C
(30°F)		-11°C
(13°F)		-20°C
(-3°F)
Mean minimum-29°C
(-19°F)		-25°C
(-14°F)		-15°C
(5°F)		-7°C
(19°F)		-2°C
(29°F)		7°C
(46°F)		11°C
(53°F)		10°C
(50°F)		1°C
(35°F)		-9°C
(16°F)		-21°C
(-5°F)		-28°C
(-19°F)
Minimum-33°C
(-27°F)		-29°C
(-19°F)		-17°C
(2°F)		-11°C
(13°F)		-5°C
(24°F)		4°C
(40°F)		9°C
(49°F)		8°C
(47°F)		-4°C
(25°F)		-11°C
(12°F)		-23°C
(-9°F)		-32°C
(-26°F)

Compare climate in Ulaanjirem with other places

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

Monthly average precipitation in Ulaanjirem, Mongolia

Ulaanjirem usually has the most precipitation in June, July and August, with an average of 4 rainy days and 28 mm (1.1 inches) of precipitation per month. The driest months in Ulaanjirem are January, November and December. On average, 2 mm (0.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Ulaanjirem. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)1 (0.1)3 (0.1)5 (0.2)6 (0.2)6 (0.3)12 (0.5)36 (1.4)37 (1.4)8 (0.3)2 (0.1)2 (0.1)1 (0.1)
Average precipitation days (≥ 1 mm)011112462000

Monthly sunshine hours in Ulaanjirem, Mongolia

The sunniest months in Ulaanjirem are May, June and July, when the sun shines an average of 11 hours 50 minutes a day. Least sunny months in Ulaanjirem: January, November and December receive an average of 8 hours 7 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Ulaanjirem. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours214272324330364361363354318303268263
Mean daily daylight hours9h 10m10h 23m11h 55m13h 30m14h 51m15h 32m15h 11m14h 0m12h 29m10h 55m9h 32m8h 48m

Solar UV radiation in Ulaanjirem, Mongolia

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

Average daily maximum UV levels by month for Ulaanjirem. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)2358101010107532