In December, Newcastle under Lyme typically sees daytime highs of 6.0°C and overnight lows around 1.1°C. Compared to the annual average high of 11.7°C, December runs -5.8°C.
December in Newcastle under Lyme averages a daytime high of 6.0°C and an overnight low of 1.1°C.
December runs -5.8°C compared to Newcastle under Lyme's annual average high of 11.7°C, ranking #10 of 12 months by warmth.
Plan for daytime highs near 6.0°C and cooler evenings around 1.1°C.