Is Watermelon Good for Diabetics? Watermelon is a juicy, sweet fruit that many love to enjoy in summer. But for people with diabetes, the question often comes up—can I eat watermelon safely? The answer is yes, if you eat it in the right amount and at the right time. Nutritional Highlights (per 100g): Watermelon contains around 30 calories, 6g of natural sugar, 8g of carbohydrates, and is...