November in Gary averages a daily high of 9.8°C with nights around 1.3°C. Expect roughly 9.8 wet days totalling 60.7mm. Demanding conditions — pack for it and plan indoor options.
Across the year, the best time to visit Gary is May–September.
Based on INDIANA DUNES NATIONAL PARK, IN US (21.9km), 1995–2024. 26 years of November data.