The best time to go to Stonington, Maine, is during the summer months from June to August, when the weather is at its warmest and most conducive to outdoor activities.During these months, the average temperatures are comfortable, ranging from the mid-60s to the low 70s Fahrenheit, making it ideal for exploring the village and surrounding islands. The days are also longer, providing more daylight hours for sightseeing, boat tours, and enjoying the coastal scenery. This period is particularly good for families looking to enjoy the various outdoor activities Stonington offers, like kayaking, sailing, or visiting the nearby beaches.For couples seeking a more tranquil experience with fewer crowds, late May or early September can also be excellent choices. While the weather might be slightly cooler, these shoulder seasons still offer pleasant conditions for walking around the village, enjoying fresh seafood, and experiencing the natural beauty of the area without the peak summer hustle.