In December, Ushuaia typically sees daytime highs of 13.2°C and overnight lows around 4.6°C. Compared to the annual average high of 8.5°C, December runs +4.7°C.
December in Ushuaia averages a daytime high of 13.2°C and an overnight low of 4.6°C.
December runs +4.7°C compared to Ushuaia's annual average high of 8.5°C, ranking #3 of 12 months by warmth.
Plan for daytime highs near 13.2°C and cooler evenings around 4.6°C.