August in Colchester averages a daily high of 22.9°C with nights around 11.8°C. Expect roughly 10.5 wet days totalling 60.7mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Colchester is June–September.
Based on EAST BERGHOLT, UK (11.4km), 1995–2024. 25 years of August data.