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Monthly climate in Herlen, Hentiy, Mongolia

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Herlen features a subarctic climate (Dwc).Temperatures typically range between -21 °C (-6 °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 (99 °F).The average annual precipitation amounts to about 261 mm (10.3 inches) and receives 45 rainy days on the 1 mm (0.04 inches) threshold annually.Herlen enjoys an average of 3680 hours of sunshine throughout the year, and daylight varies from 8 hours 31 minutes to 15 hours 51 minutes per day.

Monthly average temperatures in Herlen, Hentiy, Mongolia §

The warmest months in Herlen are June, July and August, with daily mean temperatures ranging from 17 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 -17 °C (-6 - 2 °F) throughout the day. On average each year, Herlen experiences 47 days above 25 °C (77.0 °F) and 192 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Herlen, Hentiy, Mongolia.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to June 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum -2°C
(28°F)		 3°C
(38°F)		 20°C
(68°F)		 29°C
(84°F)		 35°C
(95°F)		 36°C
(97°F)		 37°C
(99°F)		 34°C
(93°F)		 31°C
(88°F)		 26°C
(79°F)		 11°C
(51°F)		 2°C
(36°F)
Mean maximum -7°C
(20°F)		 0°C
(33°F)		 15°C
(60°F)		 25°C
(77°F)		 31°C
(88°F)		 31°C
(89°F)		 34°C
(94°F)		 30°C
(87°F)		 27°C
(81°F)		 20°C
(68°F)		 9°C
(49°F)		 -4°C
(25°F)
Average high -15°C
(6°F)		 -9°C
(16°F)		 3°C
(38°F)		 12°C
(54°F)		 19°C
(67°F)		 25°C
(78°F)		 27°C
(81°F)		 23°C
(73°F)		 19°C
(67°F)		 9°C
(48°F)		 -3°C
(27°F)		 -13°C
(9°F)
Daily mean -21°C
(-6°F)		 -17°C
(2°F)		 -4°C
(25°F)		 5°C
(41°F)		 12°C
(54°F)		 19°C
(66°F)		 21°C
(70°F)		 17°C
(64°F)		 12°C
(54°F)		 2°C
(35°F)		 -9°C
(15°F)		 -19°C
(-2°F)
Average low -27°C
(-17°F)		 -24°C
(-11°F)		 -11°C
(13°F)		 -2°C
(28°F)		 4°C
(40°F)		 12°C
(53°F)		 15°C
(60°F)		 12°C
(55°F)		 6°C
(43°F)		 -4°C
(25°F)		 -15°C
(6°F)		 -24°C
(-11°F)
Mean minimum -34°C
(-29°F)		 -33°C
(-28°F)		 -21°C
(-6°F)		 -10°C
(15°F)		 -4°C
(25°F)		 5°C
(41°F)		 9°C
(49°F)		 6°C
(44°F)		 -2°C
(28°F)		 -10°C
(14°F)		 -27°C
(-16°F)		 -33°C
(-27°F)
Minimum -40°C
(-40°F)		 -37°C
(-34°F)		 -25°C
(-12°F)		 -11°C
(12°F)		 -6°C
(21°F)		 1°C
(34°F)		 6°C
(43°F)		 2°C
(35°F)		 -7°C
(20°F)		 -11°C
(12°F)		 -35°C
(-30°F)		 -37°C
(-35°F)

Compare climate in Herlen with other places

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

Monthly average precipitation in Herlen, Hentiy, Mongolia §

Herlen usually has the most precipitation in June, July and August, with an average of 9 rainy days and 57 mm (2.3 inches) of precipitation per month.The driest months in Herlen are January, February and December. On average, 3 mm (0.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Herlen, Hentiy, Mongolia.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average precipitation mm (inches) 2 (0.1) 3 (0.1) 4 (0.1) 8 (0.3) 19 (0.7) 32 (1.2) 66 (2.6) 75 (2.9) 28 (1.1) 14 (0.5) 9 (0.3) 3 (0.1)
Average precipitation days (≥ 1 mm) 0 0 0 2 4 6 12 11 5 2 2 1

Monthly sunshine hours in Herlen, Hentiy, Mongolia §

The sunniest months in Herlen are May, June and July, when the sun shines an average of 11 hours 57 minutes a day.Least sunny months in Herlen: 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 Herlen, Hentiy, Mongolia.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Mean monthly sunshine hours 209 269 321 326 366 364 368 339 310 290 259 254
Mean daily daylight hours 8h 56m 10h 15m 11h 55m 13h 37m 15h 5m 15h 51m 15h 28m 14h 10m 12h 31m 10h 49m 9h 19m 8h 31m

Solar UV radiation in Herlen, Hentiy, Mongolia §

Herlen 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, 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 Herlen UV Index data.

Average daily maximum UV levels by month for Herlen, Hentiy, Mongolia.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2022 to January 2023.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (month maximum) 2 3 5 7 9 9 9 9 6 4 2 1