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Monthly climate in Mayhan, Mongolia

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Mayhan features a cold semi-arid climate (BSk). Temperatures typically range between -17 °C (2 °F) and 21 °C (70 °F) through the year, but rarely can drop to -33 °C (-26 °F) or can rise to as high as 37 °C (99 °F). The average annual precipitation amounts to about 153 mm (6.0 inches) and receives 28 rainy days on the 1 mm (0.04 inches) threshold annually. Mayhan enjoys an average of 3789 hours of sunshine throughout the year, and daylight varies from 8 hours 41 minutes to 15 hours 41 minutes per day.

Monthly average temperatures in Mayhan, Mongolia

The warmest months in Mayhan are June, July and August, with daily mean temperatures ranging from 18 to 21 °C (65 - 70 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -17 to -13 °C (2 - 9 °F) throughout the day. On average each year, Mayhan experiences 54 days above 25 °C (77.0 °F) and 189 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Mayhan. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum3°C
(37°F)		13°C
(56°F)		19°C
(66°F)		29°C
(84°F)		33°C
(91°F)		36°C
(97°F)		37°C
(99°F)		32°C
(89°F)		30°C
(87°F)		25°C
(78°F)		13°C
(56°F)		5°C
(40°F)
Mean maximum-2°C
(30°F)		5°C
(42°F)		13°C
(57°F)		25°C
(76°F)		30°C
(87°F)		31°C
(89°F)		34°C
(93°F)		31°C
(88°F)		27°C
(80°F)		19°C
(67°F)		11°C
(52°F)		0°C
(32°F)
Average high-10°C
(14°F)		-5°C
(22°F)		5°C
(40°F)		13°C
(56°F)		20°C
(67°F)		25°C
(78°F)		27°C
(81°F)		24°C
(75°F)		20°C
(69°F)		10°C
(50°F)		-0°C
(32°F)		-9°C
(16°F)
Daily mean-17°C
(2°F)		-13°C
(9°F)		-3°C
(27°F)		6°C
(43°F)		13°C
(55°F)		19°C
(67°F)		21°C
(70°F)		18°C
(65°F)		13°C
(56°F)		3°C
(37°F)		-6°C
(21°F)		-15°C
(4°F)
Average low-22°C
(-7°F)		-19°C
(-3°F)		-9°C
(16°F)		-1°C
(30°F)		5°C
(41°F)		12°C
(54°F)		15°C
(60°F)		13°C
(56°F)		7°C
(45°F)		-3°C
(27°F)		-11°C
(12°F)		-20°C
(-4°F)
Mean minimum-29°C
(-20°F)		-27°C
(-16°F)		-18°C
(-0°F)		-9°C
(16°F)		-4°C
(26°F)		5°C
(41°F)		10°C
(50°F)		8°C
(46°F)		-0°C
(32°F)		-9°C
(16°F)		-20°C
(-4°F)		-27°C
(-17°F)
Minimum-33°C
(-26°F)		-32°C
(-25°F)		-19°C
(-2°F)		-12°C
(11°F)		-6°C
(22°F)		2°C
(35°F)		7°C
(45°F)		7°C
(44°F)		-6°C
(22°F)		-10°C
(14°F)		-21°C
(-5°F)		-31°C
(-24°F)

Compare climate in Mayhan with other places

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

Monthly average precipitation in Mayhan, Mongolia

Mayhan usually has the most precipitation in July, August and September, with an average of 5 rainy days and 33 mm (1.3 inches) of precipitation per month. The driest months in Mayhan are January, November and December. On average, 3 mm (0.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Mayhan. 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 (0.1)8 (0.3)10 (0.4)9 (0.3)11 (0.4)43 (1.7)42 (1.7)13 (0.5)6 (0.2)3 (0.1)3 (0.1)
Average precipitation days (≥ 1 mm)012223683100

Monthly sunshine hours in Mayhan, Mongolia

The sunniest months in Mayhan are May, June and July, when the sun shines an average of 12 hours 9 minutes a day. Least sunny months in Mayhan: 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 Mayhan. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours213273327337374368375359319306270264
Mean daily daylight hours9h 4m10h 19m11h 55m13h 33m14h 57m15h 41m15h 19m14h 4m12h 30m10h 53m9h 26m8h 41m

Solar UV radiation in Mayhan, Mongolia

Mayhan 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 Mayhan UV Index data.

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