Greenwood, South Carolina · field elev 631 ft
Density Altitude at Greenwood County (KGRD)
Greenwood County sits at 631 ft, and even a typical July afternoon (90 °F) only lifts density altitude to about 2,768 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 | 42.6 | −299 ft | 53.4 | 428 ft |
| February | 46.0 | −68 ft | 57.3 | 686 ft |
| March | 52.9 | 395 ft | 65.0 | 1,187 ft |
| April | 60.8 | 915 ft | 73.4 | 1,724 ft |
| May | 68.7 | 1,425 ft | 80.5 | 2,170 ft |
| June | 75.9 | 1,882 ft | 86.8 | 2,560 ft |
| July | 79.4 | 2,102 ft | 90.2 | 2,768 ft |
| August | 78.1 | 2,020 ft | 88.7 | 2,677 ft |
| September | 72.4 | 1,661 ft | 83.2 | 2,338 ft |
| October | 61.3 | 947 ft | 73.5 | 1,731 ft |
| November | 51.0 | 268 ft | 63.2 | 1,071 ft |
| December | 44.6 | −163 ft | 55.5 | 567 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 KGRD
DENSITY ALTITUDE
Field elevation 631 ft — the air behaves like 2,756 ft.
- PRESSURE ALT
- 632 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
- KLUX — Laurens County
Laurens · elev 698 ft
- S19 — Mc Cormick County
Mc Cormick · elev 459 ft
- KEOE — Newberry County
Newberry · elev 570 ft
- 6J4 — Saluda County
Saluda · elev 539 ft
- KAND — Anderson Regional
Anderson · elev 782 ft
- KGYH — Donaldson Field
Greenville · elev 956 ft
- 6J6 — Edgefield County
Trenton · elev 611 ft
- 35A — Union County, Troy Shelton Field
Union · elev 610 ft
Frequently asked questions
How high does density altitude get at KGRD in summer?
On a typical July afternoon — around 90 °F at the nearest NOAA normals station — density altitude at Greenwood County reaches roughly 2,768 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 KGRD on an average day?
It swings with the seasons: from roughly −299 ft at the coldest month's average temperature to about 2,102 ft at the warmest month's — all from a constant field elevation of 631 ft. The month-by-month table above carries the full year.
What is the field elevation of Greenwood County?
631 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KGRD (ICAO) / GRD (FAA), in Greenwood, South Carolina.