The best time to go to Newport, New Hampshire, is during the summer months, from June to August, or in the fall, from September to October.Summer offers the warmest weather, ideal for outdoor activities like hiking and enjoying the local lakes and rivers. The average temperatures during this period range from the mid-70s to low 80s Fahrenheit, providing comfortable conditions for exploring the area. Many local events and farmers' markets are also in full swing during these months.For those who appreciate scenic beauty, the fall foliage season in September and October is unparalleled. The surrounding mountains and forests transform into a vibrant display of reds, oranges, and yellows. This is an excellent time for picturesque drives and photography, with cooler, crisp air that's great for hiking.