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Monthly climate in Osa, Irkutsk Oblast, Russian Federation

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Osa features a subarctic climate (Dwc).Temperatures typically range between -20 °C (-5 °F) and 19 °C (66 °F) through the year, but rarely can drop to -47 °C (-52 °F) or can rise to as high as 34 °C (94 °F).The average annual precipitation amounts to about 382 mm (15.0 inches) and receives 77 rainy days on the 1 mm (0.04 inches) threshold annually.Osa enjoys an average of 3429 hours of sunshine throughout the year, and daylight varies from 7 hours 34 minutes to 16 hours 54 minutes per day.

Monthly average temperatures in Osa, Irkutsk Oblast, Russian Federation §

The warmest months in Osa are June, July and August, with daily mean temperatures ranging from 17 to 19 °C (62 - 66 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -20 to -18 °C (-5 - 0 °F) throughout the day. On average each year, Osa experiences 31 days above 25 °C (77.0 °F) and 195 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Osa, 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 -3°C
(27°F)		 3°C
(38°F)		 11°C
(51°F)		 26°C
(79°F)		 32°C
(90°F)		 34°C
(94°F)		 33°C
(92°F)		 31°C
(88°F)		 27°C
(81°F)		 20°C
(68°F)		 8°C
(47°F)		 -0°C
(32°F)
Mean maximum -6°C
(21°F)		 -0°C
(32°F)		 9°C
(49°F)		 22°C
(72°F)		 27°C
(82°F)		 29°C
(85°F)		 31°C
(89°F)		 29°C
(84°F)		 25°C
(77°F)		 14°C
(58°F)		 6°C
(43°F)		 -4°C
(26°F)
Average high -15°C
(5°F)		 -11°C
(12°F)		 -1°C
(31°F)		 9°C
(49°F)		 16°C
(61°F)		 23°C
(73°F)		 24°C
(76°F)		 22°C
(72°F)		 14°C
(58°F)		 6°C
(43°F)		 -5°C
(23°F)		 -14°C
(8°F)
Daily mean -20°C
(-5°F)		 -18°C
(-0°F)		 -7°C
(20°F)		 3°C
(38°F)		 10°C
(50°F)		 17°C
(62°F)		 19°C
(66°F)		 17°C
(62°F)		 9°C
(49°F)		 1°C
(34°F)		 -10°C
(15°F)		 -18°C
(-1°F)
Average low -25°C
(-13°F)		 -25°C
(-12°F)		 -14°C
(7°F)		 -3°C
(27°F)		 3°C
(38°F)		 10°C
(50°F)		 13°C
(56°F)		 11°C
(53°F)		 5°C
(41°F)		 -3°C
(26°F)		 -14°C
(8°F)		 -23°C
(-8°F)
Mean minimum -35°C
(-31°F)		 -38°C
(-37°F)		 -27°C
(-16°F)		 -11°C
(12°F)		 -3°C
(27°F)		 4°C
(39°F)		 7°C
(45°F)		 5°C
(42°F)		 -3°C
(28°F)		 -9°C
(15°F)		 -26°C
(-14°F)		 -39°C
(-39°F)
Minimum -43°C
(-46°F)		 -47°C
(-52°F)		 -33°C
(-27°F)		 -17°C
(1°F)		 -5°C
(23°F)		 1°C
(35°F)		 6°C
(44°F)		 -1°C
(31°F)		 -4°C
(25°F)		 -11°C
(12°F)		 -30°C
(-21°F)		 -45°C
(-48°F)

Compare climate in Osa with other places

Compare temperature, precipitation, sunshine, UV index in Osa, Irkutsk Oblast, Russian Federation with other places around the world.

Monthly average precipitation in Osa, Irkutsk Oblast, Russian Federation §

Osa usually has the most precipitation in July, August and September, with an average of 10 rainy days and 64 mm (2.5 inches) of precipitation per month.The driest months in Osa are January, February and April. On average, 11 mm (0.4 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Osa, 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) 10 (0.4) 10 (0.4) 13 (0.5) 12 (0.5) 38 (1.5) 49 (1.9) 68 (2.7) 59 (2.3) 65 (2.6) 20 (0.8) 13 (0.5) 24 (0.9)
Average precipitation days (≥ 1 mm) 2 3 4 4 10 9 11 9 10 5 4 6

Monthly sunshine hours in Osa, Irkutsk Oblast, Russian Federation §

The sunniest months in Osa are May, June and July, when the sun shines an average of 12 hours 16 minutes a day.Least sunny months in Osa: January, November and December receive an average of 5 hours 43 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Osa, 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 149 230 300 336 365 382 380 349 291 266 210 166
Mean daily daylight hours 8h 6m 9h 48m 11h 53m 14h 1m 15h 53m 16h 54m 16h 22m 14h 41m 12h 38m 10h 31m 8h 37m 7h 34m

Solar UV radiation in Osa, Irkutsk Oblast, Russian Federation §

Osa experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 7 - 8, which corresponds to the High / Very High category of sun exposure.January, February 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 Osa UV Index data.

Average daily maximum UV levels by month for Osa, 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 7 8 8 7 5 3 2 1