The best time to visit Newcastle, St. John, Barbados, is during the dry season, which runs from December to May.During these months, you'll experience consistently sunny weather with lower humidity and very little rain, making it ideal for enjoying the beaches and outdoor activities. The average daily temperature hovers pleasantly around 28°C (82°F), with gentle trade winds keeping things comfortable. This period is great for those looking for a relaxing holiday with reliable sunshine.For travellers seeking a quieter experience and potentially better value, the shoulder months of May and early June can be a good option. The weather remains excellent, with only a slight increase in humidity, and the island is less crowded than during the peak winter season.