In December, Trelew typically sees daytime highs of 27.4°C and overnight lows around 11.8°C. Compared to the annual average high of 21.0°C, December runs +6.5°C.
December in Trelew averages a daytime high of 27.4°C and an overnight low of 11.8°C.
December runs +6.5°C compared to Trelew's annual average high of 21.0°C, ranking #3 of 12 months by warmth.
Plan for daytime highs near 27.4°C and cooler evenings around 11.8°C.