The best time to go to Liestal for pleasant weather and outdoor activities is during the late spring, summer, and early autumn months, from May to September.During this period, temperatures are generally mild to warm, making it comfortable to explore the town and its surroundings. You'll find many local events and festivals happening, and the countryside is lush and green, great for hiking and cycling. For couples, this is an ideal time to enjoy scenic walks along the Ergolz River or explore the nearby Jura mountains.For those interested in cultural events and a quieter experience, early autumn, specifically September, offers a nice balance.