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The Argentine Patagonia, which includes the provinces of Rio Negro, Chubut, Santa Cruz, Neuquén and Tierra del Fuego, is formed by a vast plateau that descends from the Andes up to the Atlantic Ocean. This region of Argentina which extends to the southern edge of South America is characterized by a cold desert climate with low rainfall concentrated in the months of June and July, strong winds and large temperature changes. In Tierra del Fuego, the climate is colder and rainfall is more abundant.
A COLD, DRY AND ARID CLIMATE
The climate of Argentine Patagonia is generally dry, the temperatures are moderate in the northern part of the region, while have sub-Antarctic characteristics in the south of the region, particularly in Tierra del Fuego. The southern Patagonia has a sub-arctic climate, characterized by strong winds and not too abundant rainfall. The average annual rainfall is between 800 mm and 200 mm per year.
In northern Patagonia, generally the climate is relatively mild in autumn and spring, but windy days are very frequent. During the summer, that is, in the months between January and February, temperatures of Patagonia can exceed 30 ° C, but the weather is very changeable, and even in summer you can find very cold days.
In the national park of the glaciers the temperature varies between 12 ° C and 20 ° C and can rise up to 28 ° C in summer. In the extreme south, however, the average maximum temperatures range from 15 ° C to 4 ° C while the average minimum varies from -1 ° C to 5 ° C. Throughout the region, the climate is still very variable within the same day. The wind is a constant in the climate of Patagonia all year. The relatively less windy periods are those between October and mid-November and between mid-March and April.
WHEN TO GO TO ARGENTINE PATAGONIA
The best time to visit Argentine Patagonia, is the hottest season – ie the southern summer – from December to February. The relatively less windy periods between October and mid-November and between mid-March and April should also be considered.
The climate of Chilean Patagonia.
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THE CLIMATE OF ARGENTINE PATAGONIA: CLIMATIC TABLES
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| PUERTO MADRYN (17 meters) | ||||
| Month | Average low (°C) | Average high (°C) | Precip. (mm) | Precip. days |
| January | 13,7 | 27,4 | 10,0 | |
| February | 13,2 | 26,9 | 14,1 | |
| March | 11,1 | 24,4 | 16,6 | |
| April | 8,1 | 20,8 | 12,6 | |
| May | 5,1 | 16,1 | 23,8 | |
| June | 3,0 | 12,9 | 14,1 | |
| July | 2,1 | 12,8 | 16,6 | |
| August | 2,7 | 14,5 | 10,6 | |
| September | 4,5 | 17,0 | 14,1 | |
| October | 6,9 | 19,9 | 17,8 | |
| November | 9,7 | 23,7 | 10,1 | |
| December | 12,0 | 26,2 | 12,4 | |
| YEAR | 7,7 | 20,2 | 172,8 | |
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| EL CALAFATE (223 meters) | ||||
| Month | Average low (°C) | Average high (°C) | Precip. (mm) | Precip. days (snowy days) |
| January | 7,7 | 18,7 | 12,5 | 4 (0,1) |
| February | 7,5 | 18,5 | 7,8 | 3 (0) |
| March | 5,6 | 16,3 | 13,8 | 5 (0,1) |
| April | 3,1 | 12,5 | 25,4 | 8 (0,1) |
| May | 0,2 | 7,7 | 30,6 | 8 (2) |
| June | -2,0 | 5,2 | 21,3 | 6 (4) |
| July | -2,8 | 4,3 | 25,8 | 7 (5) |
| August | -1,2 | 6,6 | 21,1 | 6 (4) |
| September | 0,7 | 10,4 | 15,8 | 5 (2) |
| October | 2,9 | 13,8 | 12,3 | 5 (0,9) |
| November | 5,1 | 16,3 | 9,1 | 4 (0) |
| December | 6,7 | 17,9 | 13,9 | 4 (0) |
| YEAR | 2,8 | 12,3 | 209,4 | 65 (18,2) |
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| USHUAIA (31 meters) | ||||
| Month | Average low (°C) | Average high (°C) | Precip. (mm) | Precip. days (snowy days) |
| January | 5,4 | 13,9 | 39,0 | 14 (0,3) |
| February | 5,3 | 13,7 | 45,2 | 13 (0,1) |
| March | 3,9 | 12,2 | 52,3 | 14 (2) |
| April | 2,3 | 9,6 | 56,1 | 13 (2) |
| May | 0,1 | 6,5 | 53,3 | 12 (5) |
| June | -1,4 | 4,6 | 48,3 | 12 (8) |
| July | -1,7 | 4,2 | 36,4 | 11 (7) |
| August | -1,0 | 5,6 | 45,2 | 12 (9) |
| September | 0,5 | 8,2 | 41,7 | 12 (7) |
| October | 2,3 | 10,5 | 35,0 | 12 (5) |
| November | 3,6 | 12,1 | 34,6 | 12 (3) |
| December | 4,9 | 13,4 | 42,5 | 14 (1) |
| YEAR | 2,0 | 9,5 | 529,7 | 151 (49,4) |
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