The best time to visit Bellevue is during the summer months, from June to August, when the weather is generally warm and sunny, making it ideal for outdoor activities and enjoying the natural beauty of the region.During this period, you'll find average temperatures ranging from the mid-60s to high 70s Fahrenheit, with less rainfall compared to other seasons. This allows for comfortable exploration of the city's parks, waterfront areas, and nearby nature trails, making it great for couples and families looking to maximize their time outdoors. Many local events and festivals also take place during these months, adding to the experience.For travelers who prefer fewer crowds and cooler temperatures, the shoulder seasons of May and September offer a pleasant alternative. While there might be a bit more rain, the mild weather is still conducive to sightseeing and outdoor excursions, often with the added benefit of lower hotel rates.