Weather on Hilton Head in April

April marks the heart of spring on Hilton Head Island, bringing comfortable temperatures, longer daylight hours, and ideal conditions for enjoying the outdoors. Visitors researching Hilton Head Island weather in April will find that the month typically offers a mix of warm sunshine, mild evenings, and occasional spring showers that help keep the island lush and green.

Average Temperatures in April

The average temperature on Hilton Head Island in April is comfortably mild compared to the summer heat.

Average High: 73–77°F (23–25°C)
Average Low: 57–61°F (14–16°C)

Daytime temperatures are often warm enough for beach walks, biking, and outdoor dining, while evenings can feel cooler, especially with coastal breezes coming off the Atlantic. A light sweater or jacket is usually helpful after sunset.

Average Rainfall in April

Spring does bring occasional rain to the Lowcountry, but showers are typically brief and followed by sunshine.

Average rainfall: about 2.5–3 inches for the month
Average rainy days: around 6–7 days

Rainfall in April rarely lasts all day, so it usually doesn't interrupt vacation plans for long.

Ocean Water Temperature

While the Atlantic Ocean is still warming up from winter, the water begins to feel more inviting during April.

Average ocean temperature: 66–69°F

Some visitors are comfortable swimming, especially later in the month, while others prefer relaxing on the beach, paddleboarding, kayaking, or simply enjoying the ocean views.

What to Wear on Hilton Head Island in April

Packing for Hilton Head Island in April is fairly simple thanks to the mild spring weather. Most visitors are comfortable with light, breathable clothing during the day and a few layers for cooler evenings.

Recommended clothing includes:

Shorts or lightweight pants
T-shirts and casual tops
A light jacket or sweater for evenings
Comfortable walking shoes or sandals
Swimwear for beach time or heated pools
A light rain jacket or umbrella

Sunscreen, sunglasses, and a hat are also helpful since the sun can feel strong even in spring.

Are Dogs Allowed on the Beach in April?

April is also a great time to visit Hilton Head Island with your dog. Beach rules change seasonally to help protect wildlife and manage crowds.

During April, dogs are allowed on most Hilton Head Island beaches before 10:00 AM and after 5:00 PM when they are on a leash. These cooler early morning and evening hours are perfect for walking along the shoreline with your pet while enjoying the fresh ocean air.

A Comfortable Time to Experience Hilton Head

With mild temperatures, moderate humidity, and beautiful spring scenery, Hilton Head Island weather in April is well suited for outdoor exploration. Whether you're planning beach walks, bike rides under moss-covered oaks, or simply enjoying time along the coast, April offers a comfortable climate that highlights the island's natural beauty.