For most visitors, the best time to go to Seeley is during the cooler months, specifically from late fall through early spring (October to April).During this period, daytime temperatures are mild and pleasant, typically ranging from the 60s to low 80s Fahrenheit. This makes exploring the surrounding natural attractions, such as the nearby Imperial Sand Dunes or the Salton Sea, much more comfortable. It's also ideal for outdoor activities like hiking, off-roading, or birdwatching without the intense heat of summer.Travelers looking for a quiet and comfortable experience will find these months ideal. The evenings are cool, great for relaxing after a day of exploration.