The best time to visit Jenison, Michigan, for pleasant weather and outdoor activities is during the summer months, from June to August.During this period, the weather is typically warm and sunny, with average temperatures ranging from the mid-60s to the low 80s Fahrenheit. This makes it ideal for enjoying local parks, exploring the nearby Grand River, or taking a short drive to the Lake Michigan beaches. Families often find the summer months superb for vacationing here, as it aligns with school breaks and offers numerous opportunities for outdoor fun.Spring (April to May) and Fall (September to October) also offer agreeable weather, though with cooler temperatures. These seasons are particularly appealing for those who enjoy fewer crowds and the natural beauty of blooming flowers in spring or the vibrant fall foliage.