August in Hamden averages a daily high of 28.2°C with nights around 17°C. Expect roughly 9.3 wet days totalling 106.3mm. Comfortable conditions for being outdoors all day.
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 August data.