Hilton Head Island, SC weather in April
April in Hilton Head Island: mild, with some rain. Highs 77°F, lows 56°F, about 8 wet days. A great month for outdoor plans.
- Normal high
- 77°F
- Normal low
- 56°F
- Wet days
- 8
- 3.1 in total
- Muggy days
- 4
- dew point 65°F+
How April changes from start to finish
| April 1 | April 30 | |
|---|---|---|
| Normal high | 73°F | 81°F |
| Normal low | 52°F | 60°F |
| Chance of a wet day | 29% | 27% |
| Sunrise / sunset | 7:11 am / 7:42 pm | 6:37 am / 8:02 pm |
| Daylight | 12.5 h | 13.4 h |
Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Eastern Time).
A typical April day
- 6 am58°Fdew point 53°F
- 9 am67°Fdew point 55°F
- Noon73°Fdew point 54°F
- 3 pm75°Fdew point 54°F
- 6 pm71°Fdew point 55°F
- 9 pm65°Fdew point 56°F
NOAA hourly normals (local standard time) from Beaufort MCAS (19 mi away); average wind 8 mph; clear or few clouds in 39% of daytime hours, mostly cloudy or overcast in 40%.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F14 of 30
- Beach dayshigh 80-95°F, under 0.05 in of rain, afternoon wind under 15 mph10 of 30
- Hot dayshigh 90°F or more1 of 30
- Muggy daysdaily mean dew point 65°F or more4 of 30
- Wet daysat least 0.01 in of rain or melted snow8 of 30
- Notable rainat least 0.10 in4 of 30
- Freezing nightslow 32°F or below0 of 30
Average days per April, counted from daily records for each year 1991-2020.
Rain in April
Normal precipitation is 3.1 in; a dry April brings about 1.4 in and a wet one about 4.5 in (25th and 75th percentiles). About 2 days bring half an inch or more, and about 1 an inch or more.
How April varies from year to year
- Warmest April, 1991-20202017: average high 81°F
- Coolest April1993: average high 73°F
- Wettest April2020: 8.0 in
- Driest April1994: 0.4 in
- Highest reading94°F (April 29, 2002)
- Lowest reading34°F (April 8, 2007)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
April compared with March and May
| March | April | May | |
|---|---|---|---|
| Normal high | 70°F | 77°F | 84°F |
| Normal low | 49°F | 56°F | 64°F |
| Wet days | 9 | 8 | 8 |
| Comfortable days | 16 | 14 | 5 |
| Daylight | 12.0 h | 13.0 h | 13.8 h |
Highs change by +7°F from March and +7°F into May.
Nearby alternatives in April
- Warmer: Deltona, FL231 mi · high 82°F · 7 wet days
- Cooler: Myrtle Beach, SC149 mi · high 72°F · 7 wet days
How Hilton Head Island ranks in April
- Normal high86th warmest of 378 cities; 2nd of 5 in South Carolina
- Wet days187th driest of 378
- Comfortable days103rd most of 340
What to pack for Hilton Head Island in April
- A rain jacket or umbrella – rain on about 8 days
Heating and cooling
April has 63 heating degree days and 108 cooling degree days (base 65°F), 4% of the year's total heating and cooling demand.
Questions
How hot is Hilton Head Island in April?
The normal high is 77°F and the normal low is 56°F. From 1991 to 2020 the hottest April reading was 94°F (most recently on April 29, 2002).
Does it rain a lot in Hilton Head Island in April?
About 8 days in April have at least 0.01 in of precipitation, and the normal total is 3.1 in. The wettest April in 1991-2020 was in 2020 (8.0 in); the driest was in 1994 (0.4 in).
Is April a good time to visit Hilton Head Island?
April ranks 1st of 12 months on our comfort score for Hilton Head Island (70 out of 100). It has about 14 comfortable days and about 1 day at 90°F or hotter. The best months are March and April.
Where the numbers come from
- Temperature, rain, frost dates, humidity and wind by hour and cloud cover: Beaufort MCAS (USW00093831), 19 mi N of the city center, 37 ft . NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Beaufort MCAS (722085-93831), 19 mi N of the city center, 37 ft . Hourly observations, 1991-2020.
- Not available for this location: snowfall and snow depth (no station close enough or similar enough in elevation).