In December, Delta typically sees daytime highs of 5.7°C and overnight lows around 1.1°C. Compared to the annual average high of 13.8°C, December runs -8.1°C.
December in Delta averages a daytime high of 5.7°C and an overnight low of 1.1°C.
December runs -8.1°C compared to Delta's annual average high of 13.8°C, ranking #11 of 12 months by warmth.
Plan for daytime highs near 5.7°C and cooler evenings around 1.1°C.