April is a warm month in the spring season of Delaware with partly cloudy skies. The last snow of the season usually disappears by the first week of April, and the landscape turns green. The average temperatures are between a warm 42°F (5.6°C) to 67°F (19.4°C) with an increase in the number of sunny days. Georgetown in the south has warm temperatures around 44°F (6.7°C) to 64°F (17.8°C), while Milford in the center is slightly cooler between 43°F (6.1°C) to 64°F (17.8°C). Thousands of horseshoe crabs fill the shorelines in spring, which is a rare sight for the eyes. Migratory birds flock the land and water, and their cries reverberate in the serene atmosphere. Dewdrops gather on the flowers in the morning, and the fresh air soothes the senses. Expect moderate rain and an occasional thunderstorm that can throw a spanner in vacation plans. The sunshine increases steadily with the daylight. The tourist footfall increases in April in Delaware with the rise in the sunshine.