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Monthly climate in Lun, Mongolia

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Lun features a subarctic climate (Dwc). Temperatures typically range between -21 °C (-5 °F) and 21 °C (70 °F) through the year, but rarely can drop to -40 °C (-40 °F) or can rise to as high as 37 °C (98 °F). The average annual precipitation amounts to about 243 mm (9.6 inches) and receives 44 rainy days on the 1 mm (0.04 inches) threshold annually. Lun enjoys an average of 3738 hours of sunshine throughout the year, and daylight varies from 8 hours 27 minutes to 15 hours 56 minutes per day.

Monthly average temperatures in Lun, Mongolia

The warmest months in Lun are June, July and August, with daily mean temperatures ranging from 18 to 21 °C (64 - 70 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -21 to -16 °C (-5 - 4 °F) throughout the day. On average each year, Lun experiences 53 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 Lun. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum-3°C
(27°F)		10°C
(50°F)		21°C
(70°F)		30°C
(87°F)		34°C
(94°F)		37°C
(98°F)		36°C
(97°F)		34°C
(93°F)		33°C
(91°F)		27°C
(81°F)		13°C
(56°F)		3°C
(38°F)
Mean maximum-6°C
(22°F)		3°C
(37°F)		15°C
(60°F)		25°C
(77°F)		32°C
(89°F)		33°C
(91°F)		35°C
(95°F)		32°C
(89°F)		28°C
(83°F)		20°C
(68°F)		11°C
(51°F)		-3°C
(26°F)
Average high-14°C
(7°F)		-8°C
(18°F)		4°C
(40°F)		13°C
(56°F)		20°C
(68°F)		25°C
(78°F)		27°C
(81°F)		24°C
(75°F)		19°C
(67°F)		10°C
(50°F)		-2°C
(29°F)		-12°C
(10°F)
Daily mean-21°C
(-5°F)		-16°C
(4°F)		-4°C
(26°F)		5°C
(42°F)		12°C
(55°F)		19°C
(66°F)		21°C
(70°F)		18°C
(64°F)		12°C
(54°F)		2°C
(36°F)		-8°C
(18°F)		-18°C
(-1°F)
Average low-27°C
(-16°F)		-23°C
(-9°F)		-11°C
(13°F)		-2°C
(28°F)		4°C
(40°F)		12°C
(53°F)		15°C
(59°F)		13°C
(55°F)		6°C
(43°F)		-4°C
(25°F)		-13°C
(8°F)		-23°C
(-10°F)
Mean minimum-34°C
(-28°F)		-31°C
(-23°F)		-21°C
(-6°F)		-10°C
(14°F)		-3°C
(26°F)		3°C
(38°F)		9°C
(49°F)		7°C
(45°F)		-1°C
(30°F)		-10°C
(13°F)		-23°C
(-9°F)		-33°C
(-26°F)
Minimum-40°C
(-40°F)		-36°C
(-33°F)		-26°C
(-14°F)		-12°C
(11°F)		-6°C
(22°F)		1°C
(33°F)		8°C
(46°F)		5°C
(41°F)		-6°C
(21°F)		-13°C
(10°F)		-25°C
(-13°F)		-36°C
(-32°F)

Compare climate in Lun with other places

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

Monthly average precipitation in Lun, Mongolia

Lun usually has the most precipitation in July, August and September, with an average of 8 rainy days and 49 mm (1.9 inches) of precipitation per month. The driest months in Lun 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 Lun. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)2 (0.1)4 (0.2)4 (0.2)15 (0.6)14 (0.6)33 (1.3)44 (1.7)69 (2.7)34 (1.3)13 (0.5)8 (0.3)2 (0.1)
Average precipitation days (≥ 1 mm)0114359106320

Monthly sunshine hours in Lun, Mongolia

The sunniest months in Lun are May, June and July, when the sun shines an average of 12 hours 9 minutes a day. Least sunny months in Lun: January, November and December receive an average of 7 hours 51 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Lun. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours203266328332376368373348318301262257
Mean daily daylight hours8h 52m10h 13m11h 54m13h 39m15h 9m15h 56m15h 32m14h 12m12h 32m10h 48m9h 16m8h 27m

Solar UV radiation in Lun, Mongolia

Lun 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, 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 Lun UV Index data.

Average daily maximum UV levels by month for Lun. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)235799997432