nomadseason

Monthly climate in Ushuaia, Argentina

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Ushuaia features a ice cap climate ET). Temperatures typically range between -1 °C (30 °F) and 8 °C (47 °F) through the year, but rarely can drop to -13 °C (9 °F) or can rise to as high as 24 °C (75 °F). The average annual precipitation amounts to about 931 mm (36.7 inches) and receives 217 rainy days on the 1 mm (0.04 inches) threshold annually. Ushuaia enjoys an average of 2328 hours of sunshine throughout the year, and daylight varies from 7 hours 16 minutes to 17 hours 11 minutes per day.

Monthly average temperatures in Ushuaia, Argentina

The warmest months in Ushuaia are January, February and December, with daily mean temperatures ranging from 8 to 8 °C (46 - 47 °F) throughout the day. The coldest temperatures usually occur in June, July and August, when daily mean temperatures range from -1 to -1 °C (30 - 31 °F) throughout the day. On average each year, Ushuaia experiences 0 days above 25 °C (77.0 °F) and 138 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Ushuaia. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum20°C
(69°F)		24°C
(75°F)		17°C
(62°F)		17°C
(63°F)		11°C
(53°F)		6°C
(43°F)		7°C
(45°F)		7°C
(45°F)		10°C
(51°F)		14°C
(58°F)		18°C
(65°F)		19°C
(66°F)
Mean maximum17°C
(62°F)		20°C
(68°F)		15°C
(59°F)		12°C
(54°F)		9°C
(48°F)		5°C
(41°F)		6°C
(42°F)		6°C
(43°F)		9°C
(49°F)		11°C
(53°F)		17°C
(64°F)		16°C
(62°F)
Average high11°C
(52°F)		12°C
(54°F)		10°C
(50°F)		7°C
(45°F)		4°C
(40°F)		1°C
(34°F)		1°C
(34°F)		2°C
(36°F)		4°C
(40°F)		6°C
(44°F)		10°C
(50°F)		11°C
(52°F)
Daily mean8°C
(47°F)		8°C
(47°F)		7°C
(44°F)		4°C
(40°F)		2°C
(36°F)		-1°C
(30°F)		-1°C
(30°F)		-1°C
(31°F)		1°C
(34°F)		3°C
(38°F)		6°C
(43°F)		8°C
(46°F)
Average low4°C
(40°F)		5°C
(41°F)		4°C
(39°F)		1°C
(35°F)		-0°C
(31°F)		-4°C
(25°F)		-4°C
(25°F)		-4°C
(25°F)		-2°C
(28°F)		-0°C
(31°F)		2°C
(36°F)		4°C
(39°F)
Mean minimum1°C
(33°F)		1°C
(33°F)		-1°C
(30°F)		-3°C
(27°F)		-7°C
(19°F)		-8°C
(17°F)		-9°C
(15°F)		-10°C
(14°F)		-8°C
(18°F)		-6°C
(22°F)		-2°C
(29°F)		0°C
(33°F)
Minimum-1°C
(31°F)		-3°C
(27°F)		-3°C
(28°F)		-7°C
(19°F)		-11°C
(13°F)		-13°C
(9°F)		-11°C
(13°F)		-12°C
(11°F)		-11°C
(12°F)		-8°C
(18°F)		-3°C
(26°F)		-2°C
(28°F)

Compare climate in Ushuaia with other places

Compare temperature, precipitation, sunshine, UV index in Ushuaia, Argentina with other places around the world.

Monthly average precipitation in Ushuaia, Argentina

Ushuaia usually has the most precipitation in January, March and December, with an average of 21 rainy days and 101 mm (4.0 inches) of precipitation per month. The driest months in Ushuaia are June, July and September. On average, 54 mm (2.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Ushuaia. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)102 (4.0)91 (3.6)102 (4.0)75 (2.9)66 (2.6)46 (1.8)51 (2.0)79 (3.1)64 (2.5)71 (2.8)86 (3.4)99 (3.9)
Average precipitation days (≥ 1 mm)221819181514141816192123

Monthly sunshine hours in Ushuaia, Argentina

The sunniest months in Ushuaia are October, November and December, when the sun shines an average of 9 hours 25 minutes a day. Least sunny months in Ushuaia: May, June and July receive an average of 3 hours 17 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Ushuaia. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours22322520116211185105154192260296310
Mean daily daylight hours16h 33m14h 39m12h 25m10h 12m8h 16m7h 16m7h 49m9h 33m11h 42m13h 57m16h 2m17h 11m

Solar UV radiation in Ushuaia, Argentina

Ushuaia experiences the highest level of ultraviolet (UV) radiation in January, November and December, when the maximum UV index can reach values of 10 - 12, which corresponds to the Very High / Extreme category of sun exposure. May, June and July 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 Ushuaia UV Index data.

Average daily maximum UV levels by month for Ushuaia. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)1086321135101211