Greensboro, North Carolina · field elev 739 ft
Density Altitude at Greensboro Exec (3A4)
Greensboro Exec sits at 739 ft, and even a typical July afternoon (88 °F) only lifts density altitude to about 2,790 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 | 38.4 | −452 ft | 49.4 | 295 ft |
| February | 41.6 | −233 ft | 53.7 | 581 ft |
| March | 49.0 | 268 ft | 61.5 | 1,093 ft |
| April | 58.6 | 904 ft | 71.5 | 1,736 ft |
| May | 66.6 | 1,423 ft | 77.9 | 2,140 ft |
| June | 74.8 | 1,945 ft | 85.1 | 2,587 ft |
| July | 78.4 | 2,171 ft | 88.4 | 2,790 ft |
| August | 76.6 | 2,059 ft | 86.4 | 2,667 ft |
| September | 70.4 | 1,666 ft | 80.6 | 2,309 ft |
| October | 59.5 | 963 ft | 71.1 | 1,711 ft |
| November | 48.9 | 261 ft | 61.1 | 1,067 ft |
| December | 41.4 | −246 ft | 52.4 | 495 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 3A4
DENSITY ALTITUDE
Field elevation 739 ft — the air behaves like 2,765 ft.
- PRESSURE ALT
- 740 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 North Carolina fields
- N88 — Kecks
Julian · elev 724 ft
- N61 — Hinshaw (Greenacres)
Liberty · elev 750 ft
- KBUY — Burlington/Alamance Regional
Burlington · elev 616 ft
- W88 — Air Harbor
Greensboro · elev 822 ft
- KGSO — Piedmont Triad International
Greensboro · elev 926 ft
- KSCR — Siler City Municipal
Siler City · elev 616 ft
- KHBI — Asheboro Regional
Asheboro · elev 671 ft
- N97 — Hiatt
Thomasville · elev 855 ft
Frequently asked questions
How high does density altitude get at 3A4 in summer?
On a typical July afternoon — around 88 °F at the nearest NOAA normals station — density altitude at Greensboro Exec reaches roughly 2,790 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 3A4 on an average day?
It swings with the seasons: from roughly −452 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 739 ft. The month-by-month table above carries the full year.
What is the field elevation of Greensboro Exec?
739 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 3A4 (FAA), in Greensboro, North Carolina.