In December, Eastbourne typically sees daytime highs of 7.8°C and overnight lows around 3.4°C. Compared to the annual average high of 12.9°C, December runs -5.1°C.
December in Eastbourne averages a daytime high of 7.8°C and an overnight low of 3.4°C.
December runs -5.1°C compared to Eastbourne's annual average high of 12.9°C, ranking #10 of 12 months by warmth.
Plan for daytime highs near 7.8°C and cooler evenings around 3.4°C.