The best time to visit New Shoreham, Rhode Island, is during the summer months, from June to August, for warm weather and full access to all activities, or during the shoulder seasons of May and September for fewer crowds and pleasant conditions.For families, the peak summer months offer the most comprehensive experience. All beaches are open with lifeguards, most restaurants are operating at full capacity, and all water sports, bike rentals, and island tours are readily available. This is when the island is most active, providing a wide range of options for all ages.Couples or travelers seeking a more relaxed experience might prefer May or September. The weather is still pleasant, typically in the 60s and 70s Fahrenheit, but the island is less crowded.