The best time to visit Willoughby, South Australia, is during the shoulder seasons of autumn (March to May) and spring (September to November).During these months, the weather is pleasantly mild, with fewer extremes of heat or cold, making it ideal for exploring the region's natural beauty and outdoor activities. You'll find comfortable temperatures for hiking in the Willoughby National Park or enjoying a leisurely stroll along the coastline.Autumn, in particular, offers the added bonus of the local harvest season, with many vineyards and orchards in full swing. This is a great time for couples to enjoy wine-tasting experiences and culinary tours, often with fewer crowds than in the peak summer months.Spring brings a burst of wildflowers across the landscape, creating picturesque scenery superb for photography and nature walks.