nomadseason

Monthly climate in Aldar, Mongolia

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Aldar features a subarctic climate (Dwc). Temperatures typically range between -22 °C (-8 °F) and 17 °C (64 °F) through the year, but rarely can drop to -43 °C (-45 °F) or can rise to as high as 31 °C (88 °F). The average annual precipitation amounts to about 252 mm (9.9 inches) and receives 49 rainy days on the 1 mm (0.04 inches) threshold annually. Aldar enjoys an average of 3890 hours of sunshine throughout the year, and daylight varies from 8 hours 28 minutes to 15 hours 54 minutes per day.

Monthly average temperatures in Aldar, Mongolia

The warmest months in Aldar are June, July and August, with daily mean temperatures ranging from 15 to 17 °C (59 - 64 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -22 to -19 °C (-8 - -1 °F) throughout the day. On average each year, Aldar experiences 19 days above 25 °C (77.0 °F) and 207 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Aldar. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum-4°C
(24°F)		5°C
(42°F)		14°C
(57°F)		23°C
(75°F)		26°C
(79°F)		29°C
(85°F)		31°C
(88°F)		28°C
(83°F)		27°C
(81°F)		18°C
(64°F)		9°C
(49°F)		-3°C
(27°F)
Mean maximum-7°C
(19°F)		-2°C
(29°F)		8°C
(46°F)		19°C
(66°F)		25°C
(77°F)		27°C
(80°F)		29°C
(84°F)		26°C
(79°F)		23°C
(74°F)		14°C
(57°F)		6°C
(43°F)		-5°C
(24°F)
Average high-15°C
(5°F)		-11°C
(13°F)		-1°C
(31°F)		9°C
(49°F)		16°C
(61°F)		21°C
(71°F)		23°C
(74°F)		20°C
(69°F)		15°C
(60°F)		5°C
(42°F)		-5°C
(23°F)		-14°C
(7°F)
Daily mean-22°C
(-8°F)		-19°C
(-1°F)		-8°C
(18°F)		3°C
(37°F)		10°C
(50°F)		15°C
(60°F)		17°C
(64°F)		15°C
(59°F)		9°C
(48°F)		-1°C
(30°F)		-11°C
(12°F)		-20°C
(-4°F)
Average low-28°C
(-19°F)		-27°C
(-16°F)		-16°C
(4°F)		-4°C
(25°F)		2°C
(36°F)		8°C
(47°F)		11°C
(52°F)		9°C
(48°F)		2°C
(36°F)		-7°C
(19°F)		-17°C
(2°F)		-26°C
(-14°F)
Mean minimum-37°C
(-34°F)		-36°C
(-32°F)		-29°C
(-20°F)		-13°C
(9°F)		-7°C
(20°F)		1°C
(34°F)		6°C
(43°F)		3°C
(37°F)		-6°C
(22°F)		-16°C
(4°F)		-27°C
(-16°F)		-35°C
(-32°F)
Minimum-40°C
(-39°F)		-43°C
(-45°F)		-32°C
(-26°F)		-19°C
(-3°F)		-10°C
(15°F)		-2°C
(29°F)		5°C
(41°F)		1°C
(33°F)		-9°C
(17°F)		-20°C
(-3°F)		-31°C
(-23°F)		-43°C
(-45°F)

Compare climate in Aldar with other places

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

Monthly average precipitation in Aldar, Mongolia

Aldar usually has the most precipitation in June, July and August, with an average of 8 rainy days and 49 mm (1.9 inches) of precipitation per month. The driest months in Aldar 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 Aldar. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)3 (0.1)6 (0.2)9 (0.3)17 (0.7)17 (0.7)28 (1.1)60 (2.4)61 (2.4)23 (0.9)16 (0.6)8 (0.3)5 (0.2)
Average precipitation days (≥ 1 mm)112446996331

Monthly sunshine hours in Aldar, Mongolia

The sunniest months in Aldar are May, June and July, when the sun shines an average of 12 hours 43 minutes a day. Least sunny months in Aldar: January, November and December receive an average of 7 hours 52 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Aldar. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours205269342354389384397373336318267251
Mean daily daylight hours8h 53m10h 14m11h 55m13h 38m15h 8m15h 54m15h 30m14h 11m12h 31m10h 48m9h 17m8h 28m

Solar UV radiation in Aldar, Mongolia

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

Average daily maximum UV levels by month for Aldar. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)23571010997532