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Monthly climate in Osorno, Chile

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Osorno features a oceanic climate (Cfb). Temperatures typically range between 6 °C (44 °F) and 16 °C (61 °F) through the year, but rarely can drop to -4 °C (25 °F) or can rise to as high as 36 °C (98 °F). The average annual precipitation amounts to about 1472 mm (57.9 inches) and receives 147 rainy days on the 1 mm (0.04 inches) threshold annually. Osorno enjoys an average of 2974 hours of sunshine throughout the year, and daylight varies from 9 hours 17 minutes to 15 hours 0 minutes per day.

Monthly average temperatures in Osorno, Chile

The warmest months in Osorno are January, February and December, with daily mean temperatures ranging from 14 to 16 °C (58 - 61 °F) throughout the day. The coldest temperatures usually occur in June, July and August, when daily mean temperatures range from 6 to 7 °C (44 - 45 °F) throughout the day. On average each year, Osorno experiences 16 days above 25 °C (77.0 °F) and 20 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Osorno. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum32°C
(90°F)		36°C
(98°F)		28°C
(83°F)		24°C
(76°F)		20°C
(68°F)		15°C
(59°F)		14°C
(58°F)		16°C
(61°F)		21°C
(69°F)		23°C
(73°F)		25°C
(76°F)		29°C
(85°F)
Mean maximum28°C
(83°F)		31°C
(88°F)		26°C
(79°F)		22°C
(71°F)		17°C
(63°F)		13°C
(56°F)		13°C
(56°F)		14°C
(57°F)		18°C
(65°F)		21°C
(70°F)		24°C
(75°F)		26°C
(79°F)
Average high21°C
(70°F)		23°C
(74°F)		20°C
(67°F)		16°C
(61°F)		13°C
(55°F)		10°C
(51°F)		10°C
(50°F)		11°C
(52°F)		13°C
(55°F)		14°C
(58°F)		17°C
(63°F)		20°C
(68°F)
Daily mean15°C
(60°F)		16°C
(61°F)		13°C
(56°F)		11°C
(52°F)		9°C
(48°F)		7°C
(45°F)		6°C
(44°F)		7°C
(45°F)		8°C
(47°F)		10°C
(49°F)		12°C
(54°F)		14°C
(58°F)
Average low9°C
(49°F)		10°C
(51°F)		8°C
(47°F)		7°C
(44°F)		5°C
(42°F)		4°C
(40°F)		3°C
(38°F)		4°C
(39°F)		4°C
(39°F)		5°C
(42°F)		7°C
(45°F)		8°C
(48°F)
Mean minimum5°C
(41°F)		5°C
(42°F)		3°C
(38°F)		1°C
(34°F)		-1°C
(31°F)		-2°C
(28°F)		-2°C
(28°F)		-2°C
(29°F)		-1°C
(31°F)		-0°C
(32°F)		3°C
(37°F)		4°C
(40°F)
Minimum3°C
(37°F)		3°C
(38°F)		2°C
(36°F)		-1°C
(31°F)		-2°C
(28°F)		-4°C
(25°F)		-3°C
(26°F)		-2°C
(28°F)		-2°C
(30°F)		-1°C
(31°F)		1°C
(34°F)		3°C
(38°F)

Compare climate in Osorno with other places

Compare temperature, precipitation, sunshine, UV index in Osorno, Chile with other places around the world.

Monthly average precipitation in Osorno, Chile

Osorno usually has the most precipitation in June, July and August, with an average of 19 rainy days and 229 mm (9.0 inches) of precipitation per month. The driest months in Osorno are January, February and December. On average, 37 mm (1.5 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Osorno. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)31 (1.2)28 (1.1)72 (2.8)105 (4.1)167 (6.6)252 (9.9)197 (7.7)238 (9.4)126 (5.0)121 (4.8)81 (3.2)53 (2.1)
Average precipitation days (≥ 1 mm)53712172118201314107

Monthly sunshine hours in Osorno, Chile

The sunniest months in Osorno are February, March and December, when the sun shines an average of 10 hours 39 minutes a day. Least sunny months in Osorno: June, July and August receive an average of 5 hours 11 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Osorno. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours291310306224184137160180241281304353
Mean daily daylight hours14h 40m13h 36m12h 17m10h 56m9h 50m9h 17m9h 35m10h 34m11h 50m13h 11m14h 23m15h 0m

Solar UV radiation in Osorno, Chile

Osorno experiences the highest level of ultraviolet (UV) radiation in January, November and December, when the maximum UV index can reach values of 12 - 14, which corresponds to the Extreme category of sun exposure. May, June and July are in the Low / Moderate exposure category. In these months, the maximum values of the UV index do not exceed 4. For more detailed information, check out our hourly Osorno UV Index data.

Average daily maximum UV levels by month for Osorno. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)1412964235791213