Beaufort, South Carolina · field elev 9 ft
Density Altitude at Beaufort Exec (KARW)
Beaufort Exec sits at 9 ft, and even a typical July afternoon (91 °F) only lifts density altitude to about 2,066 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 | 51.0 | −503 ft | 60.8 | 148 ft |
| February | 54.1 | −295 ft | 64.5 | 389 ft |
| March | 60.4 | 121 ft | 71.5 | 840 ft |
| April | 66.9 | 545 ft | 77.4 | 1,215 ft |
| May | 74.6 | 1,038 ft | 83.6 | 1,603 ft |
| June | 80.3 | 1,397 ft | 88.7 | 1,919 ft |
| July | 83.0 | 1,566 ft | 91.1 | 2,066 ft |
| August | 82.4 | 1,529 ft | 90.3 | 2,017 ft |
| September | 77.8 | 1,240 ft | 85.9 | 1,746 ft |
| October | 69.8 | 731 ft | 78.9 | 1,310 ft |
| November | 60.4 | 121 ft | 70.1 | 751 ft |
| December | 53.0 | −369 ft | 62.0 | 226 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 KARW
DENSITY ALTITUDE
Field elevation 9 ft — the air behaves like 2,060 ft.
- PRESSURE ALT
- 10 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
- KHXD — Hilton Head
Hilton Head Island · elev 19 ft
- 3J1 — Ridgeland-Claude Dean
Ridgeland · elev 85 ft
- KRBW — Lowcountry Regional
Walterboro · elev 101 ft
- 3J0 — Hampton County
Hampton · elev 112 ft
- KJZI — Charleston Exec
Charleston · elev 19 ft
- KCHS — Charleston AFB/International
Charleston · elev 46 ft
- KDYB — Summerville
Summerville · elev 56 ft
- 7S1 — 7 Oaks Flight Park
Fairfax · elev 138 ft
Frequently asked questions
How high does density altitude get at KARW in summer?
On a typical July afternoon — around 91 °F at the nearest NOAA normals station — density altitude at Beaufort Exec reaches roughly 2,066 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 KARW on an average day?
It swings with the seasons: from roughly −503 ft at the coldest month's average temperature to about 1,566 ft at the warmest month's — all from a constant field elevation of 9 ft. The month-by-month table above carries the full year.
What is the field elevation of Beaufort Exec?
9 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KARW (ICAO) / ARW (FAA), in Beaufort, South Carolina.