In December, Sunderland typically sees daytime highs of 6.1°C and overnight lows around 1.9°C. Compared to the annual average high of 11.6°C, December runs -5.6°C.
December in Sunderland averages a daytime high of 6.1°C and an overnight low of 1.9°C.
December runs -5.6°C compared to Sunderland's annual average high of 11.6°C, ranking #10 of 12 months by warmth.
Plan for daytime highs near 6.1°C and cooler evenings around 1.9°C.