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Monthly climate in Ust'-Kut, Irkutsk Oblast, Russian Federation

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Ust'-Kut features a subarctic climate (Dfc).Temperatures typically range between -23 °C (-8 °F) and 19 °C (66 °F) through the year, but rarely can drop to -52 °C (-61 °F) or can rise to as high as 34 °C (94 °F).The average annual precipitation amounts to about 462 mm (18.2 inches) and receives 121 rainy days on the 1 mm (0.04 inches) threshold annually.Ust'-Kut enjoys an average of 3018 hours of sunshine throughout the year, and daylight varies from 6 hours 51 minutes to 17 hours 41 minutes per day.

Monthly average temperatures in Ust'-Kut, Irkutsk Oblast, Russian Federation §

The warmest months in Ust'-Kut are June, July and August, with daily mean temperatures ranging from 16 to 19 °C (61 - 66 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -23 to -20 °C (-8 - -3 °F) throughout the day. On average each year, Ust'-Kut experiences 34 days above 25 °C (77.0 °F) and 213 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Ust'-Kut, Irkutsk Oblast, Russian Federation.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)		 2°C
(35°F)		 12°C
(54°F)		 21°C
(69°F)		 30°C
(86°F)		 34°C
(94°F)		 34°C
(94°F)		 32°C
(90°F)		 25°C
(78°F)		 18°C
(65°F)		 4°C
(39°F)		 0°C
(33°F)
Mean maximum -7°C
(19°F)		 -2°C
(29°F)		 8°C
(47°F)		 17°C
(63°F)		 26°C
(79°F)		 29°C
(84°F)		 32°C
(90°F)		 30°C
(86°F)		 24°C
(76°F)		 12°C
(53°F)		 3°C
(38°F)		 -3°C
(26°F)
Average high -18°C
(-1°F)		 -14°C
(8°F)		 -2°C
(28°F)		 7°C
(44°F)		 14°C
(58°F)		 23°C
(73°F)		 25°C
(77°F)		 23°C
(73°F)		 13°C
(56°F)		 3°C
(38°F)		 -9°C
(16°F)		 -18°C
(-0°F)
Daily mean -23°C
(-8°F)		 -20°C
(-3°F)		 -9°C
(17°F)		 1°C
(34°F)		 8°C
(47°F)		 16°C
(62°F)		 19°C
(66°F)		 16°C
(61°F)		 7°C
(46°F)		 -1°C
(31°F)		 -13°C
(9°F)		 -22°C
(-8°F)
Average low -27°C
(-17°F)		 -25°C
(-13°F)		 -15°C
(5°F)		 -6°C
(22°F)		 1°C
(34°F)		 9°C
(48°F)		 12°C
(54°F)		 10°C
(50°F)		 3°C
(37°F)		 -5°C
(24°F)		 -18°C
(1°F)		 -26°C
(-15°F)
Mean minimum -43°C
(-44°F)		 -42°C
(-44°F)		 -31°C
(-24°F)		 -16°C
(4°F)		 -5°C
(24°F)		 2°C
(36°F)		 7°C
(44°F)		 3°C
(38°F)		 -4°C
(26°F)		 -12°C
(11°F)		 -34°C
(-30°F)		 -46°C
(-50°F)
Minimum -48°C
(-55°F)		 -52°C
(-61°F)		 -37°C
(-35°F)		 -20°C
(-3°F)		 -6°C
(21°F)		 0°C
(33°F)		 5°C
(41°F)		 -2°C
(30°F)		 -5°C
(23°F)		 -14°C
(7°F)		 -41°C
(-41°F)		 -50°C
(-57°F)

Compare climate in Ust'-Kut with other places

Compare temperature, precipitation, sunshine, UV index in Ust'-Kut, Irkutsk Oblast, Russian Federation with other places around the world.

Monthly average precipitation in Ust'-Kut, Irkutsk Oblast, Russian Federation §

Ust'-Kut usually has the most precipitation in May, June and September, with an average of 11 rainy days and 54 mm (2.1 inches) of precipitation per month.The driest months in Ust'-Kut are January, February and March. On average, 24 mm (0.9 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Ust'-Kut, Irkutsk Oblast, Russian Federation.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) 21 (0.8) 20 (0.8) 29 (1.2) 30 (1.2) 53 (2.1) 53 (2.1) 43 (1.7) 39 (1.5) 56 (2.2) 36 (1.4) 41 (1.6) 42 (1.6)
Average precipitation days (≥ 1 mm) 8 7 10 9 11 10 8 9 13 9 13 14

Monthly sunshine hours in Ust'-Kut, Irkutsk Oblast, Russian Federation §

The sunniest months in Ust'-Kut are June, July and August, when the sun shines an average of 12 hours 13 minutes a day.Least sunny months in Ust'-Kut: January, November and December receive an average of 3 hours 38 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Ust'-Kut, Irkutsk Oblast, Russian Federation.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 99 175 255 324 346 395 379 350 254 201 125 110
Mean daily daylight hours 7h 30m 9h 29m 11h 51m 14h 17m 16h 28m 17h 41m 17h 3m 15h 4m 12h 43m 10h 19m 8h 6m 6h 51m

Solar UV radiation in Ust'-Kut, Irkutsk Oblast, Russian Federation §

Ust'-Kut experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 6 - 7, which corresponds to the 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 1. For more detailed information, check out our hourly Ust'-Kut UV Index data.

Average daily maximum UV levels by month for Ust'-Kut, Irkutsk Oblast, Russian Federation.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) 1 2 4 5 6 7 7 6 4 3 1 1