Ushuaia's climate is marked by moderate temperatures throughout the year, with distinct seasonal patterns. Winters are cool and relatively dry, with temperatures ranging from -8°C to 11°C in June and July. Spring brings mild temperatures, gradually warming up from April to May, but still quite chilly, with average highs around 4°C. Summers are mild and pleasant, with temperatures peaking in January and December, averaging around 10°C, while autumn is similar to spring, with a gradual cool-down from September to October.