In December, Lancaster typically sees daytime highs of 14.8°C and overnight lows around 1.3°C. Compared to the annual average high of 23.9°C, December runs -9.1°C.
December in Lancaster averages a daytime high of 14.8°C and an overnight low of 1.3°C.
December runs -9.1°C compared to Lancaster's annual average high of 23.9°C, ranking #11 of 12 months by warmth.
Plan for daytime highs near 14.8°C and cooler evenings around 1.3°C.