Walterboro, South Carolina · field elev 101 ft
Density Altitude at Lowcountry Regional (KRBW)
Lowcountry Regional sits at 101 ft, and even a typical July afternoon (91 °F) only lifts density altitude to about 2,141 ft — heat still trims performance, but the field rarely turns high-and-hot.
Typical density altitude by month
| Month | Avg temp °F | DA at avg temp | Afternoon high °F | DA on a typical afternoon |
|---|---|---|---|---|
| January | 46.7 | −678 ft | 58.1 | 84 ft |
| February | 49.8 | −469 ft | 62.0 | 340 ft |
| March | 56.5 | −22 ft | 68.7 | 774 ft |
| April | 63.3 | 424 ft | 76.1 | 1,246 ft |
| May | 71.2 | 934 ft | 82.8 | 1,666 ft |
| June | 77.5 | 1,334 ft | 87.4 | 1,951 ft |
| July | 80.8 | 1,541 ft | 90.5 | 2,141 ft |
| August | 79.5 | 1,460 ft | 88.9 | 2,043 ft |
| September | 74.6 | 1,151 ft | 84.2 | 1,753 ft |
| October | 64.7 | 515 ft | 76.4 | 1,265 ft |
| November | 55.0 | −122 ft | 67.7 | 710 ft |
| December | 49.5 | −489 ft | 61.1 | 281 ft |
▲ above 5,000 ft · ⚠ above 8,000 ft. These are planning references at standard pressure and dry air — afternoon humidity and low pressure both push the real number higher. Run today's values below.
Run today’s numbers for KRBW
DENSITY ALTITUDE
Field elevation 101 ft — the air behaves like 2,172 ft.
- PRESSURE ALT
- 102 ft
- ISA DEVIATION
- —
- RULE-OF-THUMB DA
- —
- AIR DENSITY INDEX
- —
- AIR DENSITY
- —
- WATER · GRAINS/LB
- —
For training and reference · verify with official sources and your POH before flight · no tool on this site renders a go / no-go judgment
Nearby South Carolina fields
- 6J2 — St George
St George · elev 85 ft
- KDYB — Summerville
Summerville · elev 56 ft
- 3J0 — Hampton County
Hampton · elev 112 ft
- 5J5 — Holly Hill
Holly Hill · elev 96 ft
- 7S1 — 7 Oaks Flight Park
Fairfax · elev 138 ft
- KCHS — Charleston AFB/International
Charleston · elev 46 ft
- KARW — Beaufort Exec
Beaufort · elev 9 ft
- 1DS — Dry Swamp
Orangeburg · elev 180 ft
Frequently asked questions
How high does density altitude get at KRBW in summer?
On a typical July afternoon — around 91 °F at the nearest NOAA normals station — density altitude at Lowcountry Regional reaches roughly 2,141 ft at standard pressure. Hotter-than-normal days, low pressure, and humidity all push it higher, so run the day's actual numbers before flying.
What is the density altitude at KRBW on an average day?
It swings with the seasons: from roughly −678 ft at the coldest month's average temperature to about 1,541 ft at the warmest month's — all from a constant field elevation of 101 ft. The month-by-month table above carries the full year.
What is the field elevation of Lowcountry Regional?
101 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KRBW (ICAO) / RBW (FAA), in Walterboro, South Carolina.