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The best time to visit Blue Mountain for pleasant weather and outdoor activities is during the shoulder seasons of autumn (March to May) and spring (September to November).Autumn in Blue Mountain offers mild temperatures, typically ranging from 15°C to 25°C, making it ideal for hiking and exploring the national park. The foliage also begins to change, adding beautiful colours to the landscape. This period is particularly good for couples looking for a romantic getaway, as the cooler evenings are superb for enjoying cosy dinners and the scenery is at its most captivating.Spring also brings comfortable temperatures, usually between 18°C and 28°C, and the region's native wildflowers are in bloom. This is an excellent time for families to visit, as the weather is agreeable for children to enjoy outdoor adventures like bushwalking and wildlife spotting without the intensity of summer heat. The waterfalls are also often at their best after winter rains.While summer (December to February) can be hot, averaging 25°C to 35°C, it's also a popular time, especially for families during school holidays, with opportunities for swimming in natural pools.