Ushuaia’s weather changes all the time, during every season, and the changes can happen from one day to another or even during the same day.
In January, the average temperature is 10ºC, although it can raise up to 23ºC. Summer days are really long, you can have almost 18 hours of light: the sun rises approximately at 3:54 AM and it sets at 11:10 PM. In fall, when the colors of the forest are unique, the weather changes a lot. The lowest temperatures are registered at the end of July and the beginning of August, with an average of 1ºC. In winter, there are few hours of light, around 7. The sun rises approximately at 9:15 AM and it sets at 5:57 PM but the days are usually bright. Spring is windy, the winds blow through the Beagle Channel with an average speed of 15 Km/h.
Average temperatures:
December to February: 6°C to 10°C (nights), 8°C to 18°C (days).
March to May: 0°C to 6°C (nights), 5°C to 10°C (days).
June to August: -8°C to-15°C (nights), -2°C to 3°C (days).
October to November, 2°C to 7°C (nights), 4°C to 11°C (days).
At Ushuaia you can expect southwestern winds, with an average speed of 20km/h.
If you wish to take the adventure of a walk through the most inhospitable places of the island, do not forget to register in the Walkers Safety System, calling toll free to 0-800-333-1476.