November in Fairfield averages a daily high of 11.9°C with nights around 3.3°C. Expect roughly 9.3 wet days totalling 77mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Fairfield is June–September.
Based on IGOR I SIKORSKY MEMORIAL AIRPORT, CT US (11.8km), 1995–2024. 30 years of November data.