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Monthly climate in Oygon, Mongolia

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Oygon features a subarctic climate (Dwc). Temperatures typically range between -25 °C (-12 °F) and 16 °C (62 °F) through the year, but rarely can drop to -45 °C (-49 °F) or can rise to as high as 30 °C (87 °F). The average annual precipitation amounts to about 329 mm (13.0 inches) and receives 72 rainy days on the 1 mm (0.04 inches) threshold annually. Oygon enjoys an average of 3833 hours of sunshine throughout the year, and daylight varies from 8 hours 17 minutes to 16 hours 6 minutes per day.

Monthly average temperatures in Oygon, Mongolia

The warmest months in Oygon are June, July and August, with daily mean temperatures ranging from 14 to 16 °C (57 - 62 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -25 to -20 °C (-12 - -4 °F) throughout the day. On average each year, Oygon experiences 16 days above 25 °C (77.0 °F) and 217 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Oygon. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum-5°C
(23°F)		3°C
(38°F)		11°C
(51°F)		24°C
(76°F)		27°C
(80°F)		30°C
(86°F)		30°C
(87°F)		30°C
(86°F)		28°C
(82°F)		16°C
(62°F)		5°C
(42°F)		-0°C
(32°F)
Mean maximum-9°C
(16°F)		-3°C
(28°F)		5°C
(41°F)		18°C
(65°F)		25°C
(76°F)		28°C
(82°F)		28°C
(83°F)		26°C
(80°F)		23°C
(74°F)		13°C
(56°F)		4°C
(40°F)		-6°C
(21°F)
Average high-17°C
(1°F)		-12°C
(11°F)		-3°C
(27°F)		8°C
(47°F)		15°C
(59°F)		21°C
(70°F)		22°C
(72°F)		20°C
(68°F)		15°C
(59°F)		5°C
(42°F)		-7°C
(19°F)		-17°C
(2°F)
Daily mean-25°C
(-12°F)		-20°C
(-4°F)		-11°C
(13°F)		1°C
(35°F)		8°C
(47°F)		15°C
(58°F)		16°C
(62°F)		14°C
(57°F)		8°C
(46°F)		-2°C
(29°F)		-14°C
(7°F)		-23°C
(-10°F)
Average low-31°C
(-24°F)		-29°C
(-19°F)		-19°C
(-3°F)		-5°C
(23°F)		1°C
(33°F)		7°C
(45°F)		10°C
(50°F)		8°C
(47°F)		1°C
(34°F)		-8°C
(18°F)		-20°C
(-4°F)		-29°C
(-19°F)
Mean minimum-40°C
(-40°F)		-38°C
(-35°F)		-30°C
(-21°F)		-17°C
(1°F)		-8°C
(17°F)		1°C
(34°F)		5°C
(42°F)		2°C
(37°F)		-6°C
(21°F)		-17°C
(2°F)		-32°C
(-25°F)		-39°C
(-39°F)
Minimum-45°C
(-49°F)		-44°C
(-48°F)		-34°C
(-28°F)		-26°C
(-15°F)		-15°C
(5°F)		-2°C
(29°F)		3°C
(38°F)		0°C
(33°F)		-8°C
(17°F)		-23°C
(-9°F)		-41°C
(-41°F)		-45°C
(-49°F)

Compare climate in Oygon with other places

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

Monthly average precipitation in Oygon, Mongolia

Oygon usually has the most precipitation in June, July and August, with an average of 11 rainy days and 63 mm (2.5 inches) of precipitation per month. The driest months in Oygon are January, February and December. On average, 5 mm (0.2 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Oygon. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)3 (0.1)7 (0.3)11 (0.4)21 (0.8)33 (1.3)41 (1.6)74 (2.9)73 (2.9)27 (1.1)21 (0.8)12 (0.5)6 (0.2)
Average precipitation days (≥ 1 mm)024681013117731

Monthly sunshine hours in Oygon, Mongolia

The sunniest months in Oygon are May, June and July, when the sun shines an average of 12 hours 40 minutes a day. Least sunny months in Oygon: January, November and December receive an average of 7 hours 33 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Oygon. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours197266338355389388389363332313255242
Mean daily daylight hours8h 43m10h 8m11h 54m13h 43m15h 17m16h 6m15h 41m14h 17m12h 33m10h 45m9h 8m8h 17m

Solar UV radiation in Oygon, Mongolia

Oygon experiences the highest level of ultraviolet (UV) radiation in May, June and July, when the maximum UV index can reach values of 9 - 10, 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 Oygon UV Index data.

Average daily maximum UV levels by month for Oygon. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)2368109986421