The best time to visit Kusatsu Onsen truly depends on what sort of experience you're after.If you love winter sports and don't mind the cold, January and February are fantastic. You'll find the town covered in snow, creating a beautiful and cosy atmosphere, great for enjoying the hot springs. The nearby ski resorts, like Kusatsu Onsen Ski Resort, are in full swing, making it ideal for those who want to combine skiing or snowboarding with a relaxing onsen holiday. The crisp air makes soaking in the outdoor baths particularly invigorating.For those who prefer milder weather and a lush green landscape, late spring (May to early June) or autumn (late September to November) are excellent choices. During these times, the temperatures are comfortable for exploring the town on foot, and the scenery around the onsen town is stunning. Autumn brings vibrant foliage, adding another layer of beauty to the natural surroundings. It's a great time for couples seeking a romantic getaway, with pleasant weather for strolls and soaking in the baths.