April in Hamden averages a daily high of 15.4°C with nights around 3.6°C. Expect roughly 11.5 wet days totalling 130.3mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Hamden is May–June.
Based on MOUNT CARMEL, CT US (1.4km), 1995–2024. 23 years of April data.