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Climate - Ushuaia (Argentina)


Average weather, temperature, rainfall, sunshine hours

Flag - Argentina

Ushuaia, where it is located


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Climate chart - Ushuaia (Argentina)
Climate chart - Ushuaia (Argentina)

Ushuaia's climate is cold oceanic, with cold winters (from June to August) and very cool summers (from December to February).
The city is located in the far south of Argentina, at 54 degrees south latitude, in Patagonia, on the coast of the Isla Grande (Big Island) of Tierra del Fuego (half of which belongs to Chile), in an inland bay, the Beagle Channel, which resembles a fjord.
The climate is windy and unstable. The rains are frequent all year round, although they are not abundant.
Snowfalls generally occur from April to November, however, if we exclude some very cold periods from June to August, the temperature generally exceeds freezing during the day, so the snow, even if it had accumulated, melts quite soon.
However, at night it can get cold even in summer.
The nearby mountains are covered with snow from 500/600 meters (1,650/2,000 feet).

Ushuaia

Best Time



The best time to visit Ushuaia is summer, from December to February, as it is the mildest of the year. Also, it is easier to hike to nearby glaciers such as the Glaciar Martial because there is little snow.
Instead, at Cerro Castor, the southernmost ski center in the world, you can ski in winter and early spring, and in particular from late June to late September.

Ushuaia - Climate data


The average temperature of the coldest month (June) is of 2.3 °C (36.1 °F), that of the warmest month (January) is of 10.3 °C (50.5 °F). Here are the average temperatures.
Ushuaia - Average temperatures (1991-2020)
MonthMin (°C)Max (°C)Mean (°C)Min (°F)Max (°F)Mean (°F)
January6.114.410.3435850.5
February614.410.2435850.3
March5139415548.2
April3.1106.6385043.8
May1.77.54.6354540.3
June-0.34.82.3314136.1
July-0.552.3314136.1
August0.16.23.1324337.6
September1.28.54.8344740.7
October2.6116.8375244.2
November3.812.58.2395546.7
December5.113.69.4415648.8
Year2.8106.437.150.143.5

Precipitation amounts to 545 millimeters (21.5 inches) per year: so, it is at an intermediate level. It ranges from 35 mm (1.4 in) in the driest month (February) to 60 mm (2.4 in) in the wettest one (June). Here is the average precipitation.
Ushuaia - Average precipitation
MonthMillimetersInchesDays
January451.810
February351.48
March5029
April5029
May5029
June602.411
July451.810
August451.89
September401.68
October401.69
November401.610
December451.810
Year54521.5111

The sea temperature ranges from 5.5 °C (42 °F) in August, September to 9 °C (48 °F) in February, March. Here are the average sea temperatures.
Ushuaia - Sea temperature
MonthCelsius (°C)Fahrenheit (°F)
January8.547
February948
March948
April847
May7.546
June744
July643
August5.542
September5.542
October643
November6.544
December7.546
Year7.245

There are on average around 1435 sunshine hours per year. Here are the average hours of sunshine per day.
Ushuaia - Sunshine hours
MonthAverageTotal
January5.5165
February5145
March4.5135
April3.5100
May270
June1.540
July255
August2.585
September4125
October5.5165
November6180
December5.5165
Year3.91435

Ushuaia - Weather by month

Based on the period 1991-2020
(January - February - March - April - May - June - July - August - September - October - November - December)


January, the warmest month of the year, is generally a mild month. The average temperature is of 10.3 °C (51 °F), with a minimum of 6.1 °C (43 °F) and a maximum of 14.4 °C (58 °F).
Cold thermometer iconOn the coldest nights of the month, the temperature usually drops to around 2 °C (36 °F). However, it dropped to -1 °C (30.2 °F) in January 1997.
Warm thermometer iconOn the warmest days of the month, the temperature usually reaches around 21.5 °C (71 °F). However, it reached 27 °C (80.6 °F) in January 2008.
Rain iconPrecipitation amounts to 45 mm (1.8 in), distributed over 10 days.
The day lasts on average 16 hours and 30 minutes. So the days are long.
Sun iconThere are on average 5.5 hours of sunshine per day. So, the sun shines 33% of the time.
The average humidity is 69%.
The average wind speed is 25 kph (16 mph).
Sea iconThe average sea temperature is of 8.5 °C (47.5 °F). Therefore, the sea is very cold for swimming.



February is generally a mild month. The average temperature is of 10.2 °C (50 °F), with a minimum of 6 °C (42.7 °F) and a maximum of 14.4 °C (57.9 °F).
Cold thermometer iconOn the coldest nights of the month, the temperature usually drops to around 2 °C (35.5 °F). However, it dropped to -2.3 °C (27.9 °F) in February 1996.
Warm thermometer iconOn the warmest days of the month, the temperature usually reaches around 22 °C (71.5 °F). However, it reached 27.5 °C (81.5 °F) in February 2004.
Rain iconPrecipitation amounts to 35 mm (1.4 in), distributed over 8 days.
The day lasts on average 14 hours and 35 minutes. So the days are long.
Sun iconThere are on average 5 hours of sunshine per day. So, the sun shines 36% of the time.
The average humidity is 72%. Hence, the air is normally humid.
The average wind speed is 23 kph (14 mph).
Sea iconThe average sea temperature is of 9 °C (48 °F). Therefore, the sea is very cold for swimming.



March is generally a mild month. The average temperature is of 9.0 °C (48 °F), with a minimum of 5 °C (41.1 °F) and a maximum of 13 °C (55.3 °F).
Cold thermometer iconOn the coldest nights, which normally occur at the end of the month, the temperature usually drops to around 1 °C (33.5 °F). However, it dropped to -3.8 °C (25.2 °F) in March 1992.
Warm thermometer iconOn the warmest days, which normally occur at the beginning of the month, the temperature usually reaches around 20 °C (67.5 °F). However, it reached 25 °C (77 °F) in March 2005.
Rain iconPrecipitation amounts to 50 mm (2 in), distributed over 9 days.
The day lasts on average 12 hours and 25 minutes.
Sun iconThere are on average 4.5 hours of sunshine per day. So, the sun shines 35% of the time.
The average humidity is 73%. Hence, the air is normally humid.
The average wind speed is 21 kph (13 mph).
Sea iconThe average sea temperature is of 9 °C (48 °F). Therefore, the sea is very cold for swimming.



April is generally a quite mild month. The average temperature is of 6.6 °C (44 °F), with a minimum of 3.1 °C (37.6 °F) and a maximum of 10 °C (50 °F).
Cold thermometer iconOn the coldest nights, which normally occur at the end of the month, the temperature usually drops to around -1 °C (30.5 °F). However, it dropped to -4.5 °C (23.9 °F) in April 2016.
Warm thermometer iconOn the warmest days, which normally occur at the beginning of the month, the temperature usually reaches around 16 °C (61 °F). However, it reached 21.6 °C (70.9 °F) in April 2013.
Rain iconPrecipitation amounts to 50 mm (2 in), distributed over 9 days.
The day lasts on average 10 hours and 10 minutes.
Sun iconThere are on average 3.5 hours of sunshine per day. So, the sun shines 33% of the time.
The average humidity is 76%. Hence, the air is normally humid.
The average wind speed is 20 kph (12 mph).
Sea iconThe average sea temperature is of 8 °C (47 °F). Therefore, the sea is very cold for swimming.



May is generally a quite cold month. The average temperature is of 4.6 °C (40 °F), with a minimum of 1.7 °C (35 °F) and a maximum of 7.5 °C (45.5 °F).
Cold thermometer iconOn the coldest nights, which normally occur at the end of the month, the temperature usually drops to around -2.5 °C (27 °F). However, it dropped to -7.7 °C (18.1 °F) in May 1991.
Warm thermometer iconOn the warmest days, which normally occur at the beginning of the month, the temperature usually reaches around 13.5 °C (56.5 °F). However, it reached 17.5 °C (63.5 °F) in May 1995.
Rain iconPrecipitation amounts to 50 mm (2 in), distributed over 9 days.
The day lasts on average 8 hours and 20 minutes.
Sun iconThere are on average 2 hours of sunshine per day. So, the sun shines 26% of the time.
The average humidity is 78%. Hence, the air is normally humid.
The average wind speed is 16 kph (10 mph).
Sea iconThe average sea temperature is of 7.5 °C (45.5 °F). Therefore, the sea is very cold for swimming.



June, the coldest month of the year, is generally a cold month. The average temperature is of 2.3 °C (36 °F), with a minimum of -0.3 °C (31.4 °F) and a maximum of 4.8 °C (40.7 °F).
Cold thermometer iconOn the coldest nights, the temperature usually drops to around -5 °C (23 °F). However, it dropped to -13.8 °C (7.2 °F) in June 1992.
Warm thermometer iconOn the warmest days, the temperature usually reaches around 10.5 °C (51 °F). However, it reached 15.6 °C (60.1 °F) in June 2013.
Rain iconPrecipitation amounts to 60 mm (2.4 in), distributed over 11 days.
The day lasts on average 7 hours and 20 minutes. So the days are short. June 21, the winter solstice, is the shortest day of the year in the Southern Hemisphere.
Sun iconThere are on average 1.5 hours of sunshine per day. So, the sun shines 19% of the time.
The average humidity is 80%. Hence, the air is normally humid.
The average wind speed is 17 kph (11 mph).
Sea iconThe average sea temperature is of 7 °C (44 °F). Therefore, the sea is very cold for swimming.



July is generally a cold month. The average temperature is of 2.3 °C (36 °F), with a minimum of -0.5 °C (31.1 °F) and a maximum of 5 °C (41.1 °F).
Cold thermometer iconOn the coldest nights of the month, the temperature usually drops to around -5 °C (23.5 °F). However, it dropped to -12.8 °C (9 °F) in July 1992.
Warm thermometer iconOn the warmest days of the month, the temperature usually reaches around 10.5 °C (50.5 °F). However, it reached 17 °C (62.6 °F) in July 2010.
Rain iconPrecipitation amounts to 45 mm (1.8 in), distributed over 10 days.
The day lasts on average 7 hours and 55 minutes. So the days are short.
Sun iconThere are on average 2 hours of sunshine per day. So, the sun shines 23% of the time.
The average humidity is 79%. Hence, the air is normally humid.
The average wind speed is 18 kph (11 mph).
Sea iconThe average sea temperature is of 6 °C (43 °F). Therefore, the sea is very cold for swimming.



August is generally a cold month. The average temperature is of 3.1 °C (38 °F), with a minimum of 0.1 °C (32.1 °F) and a maximum of 6.2 °C (43.2 °F).
Cold thermometer iconOn the coldest nights of the month, the temperature usually drops to around -4 °C (25 °F). However, it dropped to -11 °C (12.2 °F) in August 1991.
Warm thermometer iconOn the warmest days of the month, the temperature usually reaches around 11 °C (52 °F). However, it reached 17.1 °C (62.8 °F) in August 2003.
Rain iconPrecipitation amounts to 45 mm (1.8 in), distributed over 9 days.
The day lasts on average 9 hours and 35 minutes.
Sun iconThere are on average 2.5 hours of sunshine per day. So, the sun shines 28% of the time.
The average humidity is 76%. Hence, the air is normally humid.
The average wind speed is 18 kph (11 mph).
Sea iconThe average sea temperature is of 5.5 °C (42.5 °F). Therefore, the sea is very cold for swimming.



September is generally a quite cold month. The average temperature is of 4.8 °C (41 °F), with a minimum of 1.2 °C (34.1 °F) and a maximum of 8.5 °C (47.2 °F).
Cold thermometer iconOn the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around -3 °C (26.5 °F). However, it dropped to -6.5 °C (20.3 °F) in September 2000.
Warm thermometer iconOn the warmest days, which normally occur at the end of the month, the temperature usually reaches around 14 °C (57 °F). However, it reached 19.8 °C (67.6 °F) in September 1996.
Rain iconPrecipitation amounts to 40 mm (1.6 in), distributed over 8 days.
The day lasts on average 11 hours and 50 minutes.
Sun iconThere are on average 4 hours of sunshine per day. So, the sun shines 35% of the time.
The average humidity is 72%. Hence, the air is normally humid.
The average wind speed is 20 kph (12 mph).
Sea iconThe average sea temperature is of 5.5 °C (42 °F). Therefore, the sea is very cold for swimming.



October is generally a quite mild month. The average temperature is of 6.8 °C (44 °F), with a minimum of 2.6 °C (36.8 °F) and a maximum of 11 °C (51.7 °F).
Cold thermometer iconOn the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around -2 °C (29 °F). However, it dropped to -5 °C (23 °F) in October 2013.
Warm thermometer iconOn the warmest days, which normally occur at the end of the month, the temperature usually reaches around 16.5 °C (62 °F). However, it reached 23.7 °C (74.7 °F) in October 2015.
Rain iconPrecipitation amounts to 40 mm (1.6 in), distributed over 9 days.
The day lasts on average 14 hours and 0 minutes.
Sun iconThere are on average 5.5 hours of sunshine per day. So, the sun shines 38% of the time.
The average humidity is 68%.
The average wind speed is 22 kph (14 mph).
Sea iconThe average sea temperature is of 6 °C (43 °F). Therefore, the sea is very cold for swimming.



November is generally a quite mild month. The average temperature is of 8.2 °C (47 °F), with a minimum of 3.8 °C (38.8 °F) and a maximum of 12.5 °C (54.6 °F).
Cold thermometer iconOn the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around -0.5 °C (31 °F). However, it dropped to -3 °C (26.6 °F) in November 2002.
Warm thermometer iconOn the warmest days, which normally occur at the end of the month, the temperature usually reaches around 19 °C (66 °F). However, it reached 26.3 °C (79.3 °F) in November 1992.
Rain iconPrecipitation amounts to 40 mm (1.6 in), distributed over 10 days.
The day lasts on average 16 hours and 5 minutes. So the days are long.
Sun iconThere are on average 6 hours of sunshine per day. So, the sun shines 37% of the time.
The average humidity is 68%.
The average wind speed is 24 kph (15 mph).
Sea iconThe average sea temperature is of 6.5 °C (44 °F). Therefore, the sea is very cold for swimming.



December is generally a mild month. The average temperature is of 9.4 °C (49 °F), with a minimum of 5.1 °C (41.3 °F) and a maximum of 13.6 °C (56.4 °F).
Cold thermometer iconOn the coldest nights of the month, the temperature usually drops to around 1 °C (34 °F). However, it dropped to -1 °C (30.2 °F) in December 2005.
Warm thermometer iconOn the warmest days of the month, the temperature usually reaches around 20 °C (67.5 °F). However, it reached 25.3 °C (77.5 °F) in December 1995.
Rain iconPrecipitation amounts to 45 mm (1.8 in), distributed over 10 days.
The day lasts on average 17 hours and 10 minutes. So the days are very long. December 21, the summer solstice, is the longest day of the year in the Southern Hemisphere.
Sun iconThere are on average 5.5 hours of sunshine per day. So, the sun shines 31% of the time.
The average humidity is 69%.
The average wind speed is 25 kph (15 mph).
Sea iconThe average sea temperature is of 7.5 °C (46 °F). Therefore, the sea is very cold for swimming.

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