While Tantanoola can be visited year-round, the best time to go is during the spring (September to November) or autumn (March to May) months.
During spring, the weather is pleasantly mild, and the countryside is lush and green, making it ideal for exploring the natural attractions like the Tantanoola Caves or the nearby Canunda National Park. The comfortable temperatures are superb for outdoor activities without the summer heat.
Autumn also offers agreeable temperatures and less rainfall than winter. The changing colors of the foliage, particularly in the vineyards of the nearby Coonawarra wine region, create a beautiful backdrop for scenic drives and wine tasting.