Burlington, North Carolina · field elev 616 ft
Density Altitude at Burlington/Alamance Regional (KBUY)
Burlington/Alamance Regional sits at 616 ft, and even a typical July afternoon (91 °F) only lifts density altitude to about 2,786 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 | 41.0 | −427 ft | 51.9 | 309 ft |
| February | 44.2 | −208 ft | 55.8 | 568 ft |
| March | 51.5 | 283 ft | 63.6 | 1,078 ft |
| April | 60.7 | 890 ft | 73.6 | 1,719 ft |
| May | 68.7 | 1,407 ft | 80.4 | 2,146 ft |
| June | 76.3 | 1,889 ft | 87.5 | 2,585 ft |
| July | 80.1 | 2,127 ft | 90.8 | 2,786 ft |
| August | 78.5 | 2,027 ft | 88.9 | 2,670 ft |
| September | 72.2 | 1,630 ft | 82.8 | 2,295 ft |
| October | 61.0 | 909 ft | 73.4 | 1,706 ft |
| November | 50.6 | 223 ft | 63.1 | 1,046 ft |
| December | 43.8 | −236 ft | 54.7 | 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 KBUY
DENSITY ALTITUDE
Field elevation 616 ft — the air behaves like 2,799 ft.
- PRESSURE ALT
- 617 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
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- 3A4 — Greensboro Exec
Greensboro · elev 739 ft
- W88 — Air Harbor
Greensboro · elev 822 ft
- KSCR — Siler City Municipal
Siler City · elev 616 ft
- 6W4 — Yanceyville Municipal
Yanceyville · elev 648 ft
- KGSO — Piedmont Triad International
Greensboro · elev 926 ft
- 4W4 — Whitfield Farms
Hurdle Mills · elev 653 ft
Frequently asked questions
How high does density altitude get at KBUY in summer?
On a typical July afternoon — around 91 °F at the nearest NOAA normals station — density altitude at Burlington/Alamance Regional reaches roughly 2,786 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 KBUY on an average day?
It swings with the seasons: from roughly −427 ft at the coldest month's average temperature to about 2,127 ft at the warmest month's — all from a constant field elevation of 616 ft. The month-by-month table above carries the full year.
What is the field elevation of Burlington/Alamance Regional?
616 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KBUY (ICAO) / BUY (FAA), in Burlington, North Carolina.