The best time to visit Ustaritz is during the spring (April to June) and autumn (September to October) months, when the weather is pleasant and the region is less crowded.Spring brings mild temperatures and the countryside bursts into bloom, making it ideal for exploring the rolling hills and picturesque Basque villages. The average daily temperature hovers around 15-20°C, great for walking or cycling along the Nive River. You'll find local markets starting to become more active, offering fresh produce and regional specialities. This period is particularly good for couples looking for a relaxed trip with opportunities for outdoor activities and experiencing local culture before the peak summer season.Autumn offers similarly agreeable weather, with temperatures ranging from 18-22°C, and the landscape is painted with rich, warm colours. This time of year is excellent for those interested in local gastronomy, as it coincides with harvest festivals and the availability of seasonal delicacies like mushrooms and grapes. Families might enjoy the slightly cooler temperatures for exploring nearby attractions without the intense heat of summer.