The best time to go to Merced is during the spring (April to May) or autumn (September to October) when the weather is mild and pleasant.During these months, you'll experience comfortable temperatures, typically ranging from 18 to 27 degrees Celsius, which is ideal for exploring the local area and enjoying outdoor activities. Spring brings blooming wildflowers, particularly noticeable on nearby hiking trails, while autumn offers beautiful foliage. These seasons also avoid the intense heat of summer, when temperatures can often exceed 35 degrees Celsius, and the cooler, sometimes foggy, and rainy conditions of winter.For travellers planning day trips to Yosemite National Park, visiting in spring means waterfalls are at their most powerful due to snowmelt, and the park is less crowded than in peak summer.