April in Fairfield averages a daily high of 14.5°C with nights around 5.3°C. Expect roughly 11.4 wet days totalling 107.1mm. 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 April data.