Hilton Head Island Weather in April
Hilton Head Island in April sees high daytime temperatures of 24°C (75°F) and nighttime lows of 14°C (57°F). Rainfall is fairly high this month at around 76 mm (3 in), so pack a rain jacket to stay dry.
Rainfall in Hilton Head Island in April
You can expect rain on around 8 days based on historical patterns, with 76 mm (3 in) average for the month. The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.
Temperature in Hilton Head Island in April
April is a good time to be in Hilton Head Island. Days are perfect, reaching 24°C (75°F), with nights around 14°C (57°F). Overall, the month follows a fairly predictable daily temperature pattern. With lows of 14°C (57°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest.
Sunshine in Hilton Head Island in April
Expect a lot of sunshine this month, with about 271 hours of sun. These sunny conditions add to the overall experience.
Average water temperature in April
The water temperature is 19°C (66°F). It's not warm, but most people find it perfectly fine for a swim once they're in.So this is a great month to visit if you prefer dry days with pleasant temperatures.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Hilton Head Island's climate page.
Hilton Head Island Temperature in April
Min Temperature
14°C (57°F)
Max Temperature
24°C (75°F)
Water Temperature
19°C (66°F)
Chance of Rain
27%
Precipitation
76 mm (3 in)
Rainy days
8 days
Sunshine
271 hours
Percentage Sunshine
69%
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Hilton Head Island typically stay consistent throughout April, with daily highs averaging around 24°C (75°F). Nights are cool, with lows typically ranging from 12°C (54°F) to 16°C (61°F).
Average temperatures in April
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in April
Historical weather for Hilton Head Island in April
Browse day-by-day weather records for Hilton Head Island spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Hilton Head Island historical weather extremes in April
According to our 50 years of weather records for Hilton Head Island, the following extremes were recorded between 1976 and 2026.
- On April 28, 2002, temperatures climbed to 36°C (97°F), marking the warmest April day on record.
- The coldest April day was on April 11, 1989, with a maximum of 9°C (48°F).
- The lowest overnight temperature recorded in April was 0°C (32°F) (April 8, 2007).
Best Places in the United States of America in April
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in April →
perfect weather
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unpleasant
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What to Wear in Hilton Head Island in April
Pleasant temperatures in April mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Rain gear is recommended, you can expect wet weather on multiple days. The water temperature sits at about 19°C (66°F), which is too chilly for most people to enjoy swimming. Leave the swimsuit at home unless you love cold water. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in Hilton Head Island in April
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Hilton Head Island's climate page.
Temperature Rainfall Sunshine Water Temp
See the full Hilton Head Island climate overview or explore weather in the United States of America.
