In December, Adelaide Hills typically sees daytime highs of 25.5°C and overnight lows around 13.6°C. Compared to the annual average high of 21.1°C, December runs +4.4°C.
December in Adelaide Hills averages a daytime high of 25.5°C and an overnight low of 13.6°C.
December runs +4.4°C compared to Adelaide Hills's annual average high of 21.1°C, ranking #4 of 12 months by warmth.
Plan for daytime highs near 25.5°C and cooler evenings around 13.6°C.