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Monthly climate in Tsomog, Mongolia

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Tsomog features a cold semi-arid climate (BSk). Temperatures typically range between -17 °C (1 °F) and 23 °C (73 °F) through the year, but rarely can drop to -35 °C (-31 °F) or can rise to as high as 37 °C (100 °F). The average annual precipitation amounts to about 165 mm (6.5 inches) and receives 31 rainy days on the 1 mm (0.04 inches) threshold annually. Tsomog enjoys an average of 3720 hours of sunshine throughout the year, and daylight varies from 8 hours 42 minutes to 15 hours 39 minutes per day.

Monthly average temperatures in Tsomog, Mongolia

The warmest months in Tsomog are June, July and August, with daily mean temperatures ranging from 19 to 23 °C (67 - 73 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -17 to -13 °C (1 - 9 °F) throughout the day. On average each year, Tsomog experiences 61 days above 25 °C (77.0 °F) and 179 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Tsomog. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum-0°C
(32°F)		9°C
(48°F)		20°C
(68°F)		30°C
(87°F)		35°C
(95°F)		36°C
(97°F)		37°C
(100°F)		34°C
(93°F)		31°C
(88°F)		28°C
(83°F)		12°C
(54°F)		3°C
(37°F)
Mean maximum-5°C
(24°F)		4°C
(39°F)		16°C
(61°F)		25°C
(78°F)		31°C
(89°F)		32°C
(90°F)		35°C
(95°F)		32°C
(90°F)		28°C
(82°F)		21°C
(70°F)		11°C
(51°F)		-2°C
(29°F)
Average high-12°C
(11°F)		-6°C
(21°F)		5°C
(41°F)		13°C
(56°F)		21°C
(69°F)		26°C
(79°F)		28°C
(83°F)		24°C
(76°F)		20°C
(69°F)		10°C
(51°F)		-1°C
(30°F)		-11°C
(13°F)
Daily mean-17°C
(1°F)		-13°C
(9°F)		-2°C
(29°F)		7°C
(44°F)		14°C
(58°F)		21°C
(69°F)		23°C
(73°F)		19°C
(67°F)		14°C
(58°F)		3°C
(38°F)		-7°C
(19°F)		-16°C
(4°F)
Average low-22°C
(-7°F)		-19°C
(-1°F)		-8°C
(17°F)		-0°C
(32°F)		7°C
(45°F)		14°C
(57°F)		17°C
(63°F)		14°C
(58°F)		8°C
(47°F)		-2°C
(28°F)		-12°C
(10°F)		-20°C
(-4°F)
Mean minimum-29°C
(-21°F)		-27°C
(-16°F)		-17°C
(2°F)		-9°C
(16°F)		-3°C
(27°F)		7°C
(44°F)		11°C
(52°F)		9°C
(48°F)		-0°C
(32°F)		-10°C
(14°F)		-22°C
(-8°F)		-29°C
(-20°F)
Minimum-35°C
(-31°F)		-32°C
(-25°F)		-22°C
(-7°F)		-16°C
(4°F)		-6°C
(22°F)		2°C
(36°F)		10°C
(50°F)		5°C
(41°F)		-5°C
(23°F)		-12°C
(11°F)		-25°C
(-13°F)		-32°C
(-25°F)

Compare climate in Tsomog with other places

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

Monthly average precipitation in Tsomog, Mongolia

Tsomog usually has the most precipitation in July, August and September, with an average of 6 rainy days and 37 mm (1.4 inches) of precipitation per month. The driest months in Tsomog are January, February and December. On average, 2 mm (0.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Tsomog. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)1 (0.0)3 (0.1)4 (0.1)6 (0.3)13 (0.5)15 (0.6)30 (1.2)63 (2.5)17 (0.7)7 (0.3)4 (0.2)2 (0.1)
Average precipitation days (≥ 1 mm)011134684210

Monthly sunshine hours in Tsomog, Mongolia

The sunniest months in Tsomog are May, June and July, when the sun shines an average of 11 hours 59 minutes a day. Least sunny months in Tsomog: January, November and December receive an average of 7 hours 59 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Tsomog. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours212271320329367361374351316294264257
Mean daily daylight hours9h 5m10h 20m11h 55m13h 32m14h 56m15h 39m15h 17m14h 3m12h 30m10h 53m9h 27m8h 42m

Solar UV radiation in Tsomog, Mongolia

Tsomog experiences the highest level of ultraviolet (UV) radiation in June, July 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 Tsomog UV Index data.

Average daily maximum UV levels by month for Tsomog. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)23579101097532