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Monthly climate in Tsul-Ulaan, Mongolia

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Tsul-Ulaan features a subarctic climate (Dwc). Temperatures typically range between -19 °C (-1 °F) and 21 °C (71 °F) through the year, but rarely can drop to -37 °C (-35 °F) or can rise to as high as 37 °C (99 °F). The average annual precipitation amounts to about 275 mm (10.8 inches) and receives 47 rainy days on the 1 mm (0.04 inches) threshold annually. Tsul-Ulaan enjoys an average of 3772 hours of sunshine throughout the year, and daylight varies from 8 hours 27 minutes to 15 hours 55 minutes per day.

Monthly average temperatures in Tsul-Ulaan, Mongolia

The warmest months in Tsul-Ulaan are June, July and August, with daily mean temperatures ranging from 18 to 21 °C (65 - 71 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -19 to -15 °C (-1 - 6 °F) throughout the day. On average each year, Tsul-Ulaan experiences 58 days above 25 °C (77.0 °F) and 185 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Tsul-Ulaan. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum-0°C
(31°F)		11°C
(53°F)		22°C
(71°F)		31°C
(88°F)		35°C
(95°F)		37°C
(99°F)		36°C
(98°F)		34°C
(94°F)		34°C
(93°F)		28°C
(82°F)		16°C
(61°F)		6°C
(43°F)
Mean maximum-4°C
(24°F)		4°C
(39°F)		16°C
(61°F)		26°C
(78°F)		32°C
(90°F)		33°C
(91°F)		35°C
(95°F)		32°C
(90°F)		28°C
(83°F)		20°C
(69°F)		13°C
(55°F)		-1°C
(30°F)
Average high-12°C
(10°F)		-7°C
(19°F)		5°C
(41°F)		13°C
(57°F)		20°C
(69°F)		26°C
(78°F)		27°C
(81°F)		24°C
(76°F)		20°C
(68°F)		10°C
(51°F)		-1°C
(31°F)		-10°C
(13°F)
Daily mean-19°C
(-1°F)		-15°C
(6°F)		-3°C
(27°F)		6°C
(43°F)		13°C
(56°F)		19°C
(67°F)		21°C
(71°F)		18°C
(65°F)		13°C
(55°F)		3°C
(37°F)		-7°C
(20°F)		-16°C
(3°F)
Average low-24°C
(-11°F)		-21°C
(-6°F)		-9°C
(15°F)		-1°C
(30°F)		5°C
(42°F)		12°C
(55°F)		16°C
(60°F)		13°C
(56°F)		7°C
(45°F)		-3°C
(26°F)		-12°C
(10°F)		-21°C
(-5°F)
Mean minimum-31°C
(-24°F)		-29°C
(-20°F)		-20°C
(-3°F)		-9°C
(16°F)		-3°C
(27°F)		4°C
(40°F)		10°C
(50°F)		8°C
(46°F)		-1°C
(31°F)		-9°C
(16°F)		-22°C
(-7°F)		-29°C
(-21°F)
Minimum-34°C
(-29°F)		-37°C
(-35°F)		-25°C
(-12°F)		-11°C
(12°F)		-5°C
(23°F)		1°C
(34°F)		8°C
(47°F)		4°C
(40°F)		-6°C
(22°F)		-11°C
(12°F)		-25°C
(-13°F)		-34°C
(-29°F)

Compare climate in Tsul-Ulaan with other places

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

Monthly average precipitation in Tsul-Ulaan, Mongolia

Tsul-Ulaan usually has the most precipitation in June, July and August, with an average of 8 rainy days and 55 mm (2.2 inches) of precipitation per month. The driest months in Tsul-Ulaan are January, March and December. On average, 3 mm (0.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Tsul-Ulaan. 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)5 (0.2)16 (0.6)17 (0.7)47 (1.8)47 (1.9)72 (2.8)36 (1.4)15 (0.6)9 (0.3)3 (0.1)
Average precipitation days (≥ 1 mm)0114468116330

Monthly sunshine hours in Tsul-Ulaan, Mongolia

The sunniest months in Tsul-Ulaan are May, June and July, when the sun shines an average of 12 hours 15 minutes a day. Least sunny months in Tsul-Ulaan: January, November and December receive an average of 7 hours 53 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Tsul-Ulaan. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours206268330335377372378357322304263255
Mean daily daylight hours8h 52m10h 13m11h 55m13h 39m15h 9m15h 55m15h 32m14h 12m12h 32m10h 48m9h 16m8h 27m

Solar UV radiation in Tsul-Ulaan, Mongolia

Tsul-Ulaan experiences the highest level of ultraviolet (UV) radiation in May, 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 Tsul-Ulaan UV Index data.

Average daily maximum UV levels by month for Tsul-Ulaan. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)235799997422