Hilton Head Island, SC weather in March
In March, Hilton Head Island sees highs around 70°F and lows around 49°F: mild, with some rain. There are about 9 days with rain. Good for outdoor plans.
- Normal high
- 70°F
- Normal low
- 49°F
- Wet days
- 9
- 3.1 in total
- Muggy days
- 1
- dew point 65°F+
How March changes from start to finish
| March 1 | March 31 | |
|---|---|---|
| Normal high | 67°F | 73°F |
| Normal low | 46°F | 52°F |
| Chance of a wet day | 31% | 29% |
| Sunrise / sunset | 6:50 am / 6:20 pm | 7:12 am / 7:41 pm |
| Daylight | 11.5 h | 12.5 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 March day
- 6 am52°Fdew point 46°F
- 9 am58°Fdew point 47°F
- Noon66°Fdew point 46°F
- 3 pm68°Fdew point 47°F
- 6 pm64°Fdew point 47°F
- 9 pm58°Fdew point 48°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 44%.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F16 of 31
- Beach dayshigh 80-95°F, under 0.05 in of rain, afternoon wind under 15 mph4 of 31
- Hot dayshigh 90°F or more0 of 31
- Muggy daysdaily mean dew point 65°F or more1 of 31
- Wet daysat least 0.01 in of rain or melted snow9 of 31
- Notable rainat least 0.10 in5 of 31
- Freezing nightslow 32°F or below1 of 31
Average days per March, counted from daily records for each year 1991-2020.
Rain in March
Normal precipitation is 3.1 in; a dry March brings about 1.9 in and a wet one about 4.3 in (25th and 75th percentiles). About 2 days bring half an inch or more, and about 1 an inch or more.
How March varies from year to year
- Warmest March, 1991-20202012: average high 76°F
- Coolest March2013: average high 64°F
- Wettest March2012: 8.0 in
- Driest March2004: 0.2 in
- Highest reading90°F (March 21, 2017)
- Lowest reading24°F (March 13, 1998)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
March compared with February and April
| February | March | April | |
|---|---|---|---|
| Normal high | 64°F | 70°F | 77°F |
| Normal low | 43°F | 49°F | 56°F |
| Wet days | 9 | 9 | 8 |
| Comfortable days | 11 | 16 | 14 |
| Daylight | 11.1 h | 12.0 h | 13.0 h |
Highs change by +6°F from February and +7°F into April.
Nearby alternatives in March
- Warmer: Gainesville, FL200 mi · high 76°F · 7 wet days
- Cooler: Myrtle Beach, SC149 mi · high 64°F · 8 wet days
How Hilton Head Island ranks in March
- Normal high104th warmest of 378 cities; 2nd of 5 in South Carolina
- Wet days187th driest of 378
- Comfortable days56th most of 339
What to pack for Hilton Head Island in March
- A rain jacket or umbrella – rain on about 9 days
Heating and cooling
March has 210 heating degree days and 33 cooling degree days (base 65°F), 6% of the year's total heating and cooling demand.
Questions
How hot is Hilton Head Island in March?
The normal high is 70°F and the normal low is 49°F. From 1991 to 2020 the hottest March reading was 90°F (March 21, 2017).
Does it rain a lot in Hilton Head Island in March?
About 9 days in March have at least 0.01 in of precipitation, and the normal total is 3.1 in. The wettest March in 1991-2020 was in 2012 (8.0 in); the driest was in 2004 (0.2 in).
Is March a good time to visit Hilton Head Island?
March ranks 2nd of 12 months on our comfort score for Hilton Head Island (69 out of 100). It has about 16 comfortable days. 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).