December in Colchester averages a daily high of 7.6°C with nights around 1°C. Expect roughly 14 wet days totalling 57.4mm. A hard month to visit for comfort alone.
Across the year, the best time to visit Colchester is June–September.
Based on EAST BERGHOLT, UK (11.4km), 1995–2024. 15 years of December data.