In December, Scottsdale typically sees daytime highs of 18.1°C and overnight lows around 4.9°C. Compared to the annual average high of 28.5°C, December runs -10.5°C.
December in Scottsdale averages a daytime high of 18.1°C and an overnight low of 4.9°C.
December runs -10.5°C compared to Scottsdale's annual average high of 28.5°C, ranking #11 of 12 months by warmth.
Plan for daytime highs near 18.1°C and cooler evenings around 4.9°C.