The best time to go to Spokane Valley is during the summer months, from June to August, or in the early autumn, specifically September.Summer in Spokane Valley offers consistently warm and sunny weather, with average temperatures in the mid-20s Celsius. This period is ideal for enjoying outdoor activities such as hiking, cycling on the Centennial Trail, or exploring the many parks and lakes nearby. It's also when many community events and festivals take place, providing a lively option.Early autumn, particularly September, brings slightly cooler but still pleasant temperatures, typically in the high teens to low 20s Celsius, and often less humidity. The changing leaves create a picturesque landscape, making it a great time for scenic drives or enjoying a round of golf.