Trenton, South Carolina · field elev 611 ft
Density Altitude at Edgefield County (6J6)
Edgefield County sits at 611 ft, and even a typical July afternoon (93 °F) only lifts density altitude to about 2,914 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 | 44.0 | −228 ft | 55.4 | 536 ft |
| February | 47.2 | −12 ft | 59.2 | 786 ft |
| March | 53.9 | 436 ft | 66.9 | 1,285 ft |
| April | 62.1 | 975 ft | 75.6 | 1,839 ft |
| May | 70.3 | 1,503 ft | 83.4 | 2,326 ft |
| June | 77.4 | 1,952 ft | 89.7 | 2,713 ft |
| July | 80.9 | 2,171 ft | 93.0 | 2,914 ft |
| August | 79.3 | 2,071 ft | 90.8 | 2,780 ft |
| September | 73.9 | 1,732 ft | 85.5 | 2,456 ft |
| October | 63.4 | 1,059 ft | 75.9 | 1,858 ft |
| November | 53.1 | 383 ft | 65.8 | 1,214 ft |
| December | 46.4 | −66 ft | 57.9 | 700 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 6J6
DENSITY ALTITUDE
Field elevation 611 ft — the air behaves like 2,914 ft.
- PRESSURE ALT
- 612 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
- S17 — Twin Lakes
Graniteville · elev 540 ft
- KAIK — Aiken Regional
Aiken · elev 529 ft
- 6J4 — Saluda County
Saluda · elev 539 ft
- S19 — Mc Cormick County
Mc Cormick · elev 459 ft
- 6J0 — Lexington County
Pelion · elev 452 ft
- KGRD — Greenwood County
Greenwood · elev 631 ft
- KEOE — Newberry County
Newberry · elev 570 ft
- KBNL — Barnwell Regional
Barnwell · elev 246 ft
Frequently asked questions
How high does density altitude get at 6J6 in summer?
On a typical July afternoon — around 93 °F at the nearest NOAA normals station — density altitude at Edgefield County reaches roughly 2,914 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 6J6 on an average day?
It swings with the seasons: from roughly −228 ft at the coldest month's average temperature to about 2,171 ft at the warmest month's — all from a constant field elevation of 611 ft. The month-by-month table above carries the full year.
What is the field elevation of Edgefield County?
611 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 6J6 (FAA), in Trenton, South Carolina.