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The best time to go to the Black Hills is generally during the late spring, summer, and early autumn, from May to October.May and early June offer pleasant weather, with temperatures ranging from 15°C to 25°C. The landscape is lush and green, and popular attractions like Mount Rushmore and the Crazy Horse Memorial are fully open but less crowded than in peak summer. It's an excellent time for those who enjoy hiking and exploring the natural beauty of the region without the major tourist rush.July and August are the warmest months, with average temperatures between 25°C and 30°C, making them ideal for enjoying the lakes and outdoor activities such as kayaking and rock climbing. This is also when the Black Hills see most visitors, so expect attractions and popular routes like the Needles Highway to be busy. Families often find these months superb for a holiday, as all facilities and activities are in full swing.September and October bring cooler temperatures, typically between 10°C and 20°C, and the stunning autumn colours begin to emerge, particularly in areas like Spearfish Canyon. The crowds start to thin out, making it a wonderful time for scenic drives and photography.