While Maromme is accessible year-round, the best time to visit for most travelers, particularly those interested in outdoor activities and comfortable sightseeing, is during the late spring (May to early June) and early autumn (September to early October).During these periods, you'll experience pleasant temperatures, typically ranging from the mid-50s to mid-70s Fahrenheit (12-24°C), making it ideal for exploring the local parks, visiting Rouen nearby, or enjoying a leisurely stroll along the Cailly River. The lighter crowds compared to the peak summer months also contribute to a more relaxed experience.Summer, from mid-June to August, also offers warm weather, with average temperatures in the 70s Fahrenheit (20-25°C), which is great for enjoying the longer daylight hours and outdoor events. However, this is also the busiest tourist season, especially in the wider Normandy region, which might mean more people at popular attractions and potentially higher accommodation prices.