October in Hamden averages a daily high of 17.8°C with nights around 6°C. Expect roughly 9.9 wet days totalling 136.3mm. 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. 24 years of October data.