June in Hammond averages a daily high of 27°C with nights around 15.4°C. Expect roughly 10.3 wet days totalling 122.2mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Hammond is August–September.
Based on PARK FOREST WATER, IL US (17.9km), 1995–2024. 29 years of June data.