November in Norwalk averages a daily high of 12.3°C with nights around 1°C. Expect roughly 9.8 wet days totalling 113.9mm. Demanding conditions — pack for it and plan indoor options.
Across the year, the best time to visit Norwalk is August–October.
Based on STAMFORD 5 N, CT US (11.7km), 1995–2024. 21 years of November data.