Atlantic City, New Jersey · field elev 75 ft
Density Altitude at Atlantic City International (KACY)
Atlantic City International sits at 75 ft, and even a typical July afternoon (87 °F) only lifts density altitude to about 1,870 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 | 34.1 | −1,578 ft | 43.2 | −949 ft |
| February | 36.0 | −1,446 ft | 45.8 | −772 ft |
| March | 42.6 | −990 ft | 52.6 | −314 ft |
| April | 52.5 | −320 ft | 63.3 | 392 ft |
| May | 61.9 | 301 ft | 72.5 | 985 ft |
| June | 71.4 | 915 ft | 81.5 | 1,553 ft |
| July | 76.9 | 1,264 ft | 86.6 | 1,870 ft |
| August | 75.0 | 1,144 ft | 84.8 | 1,758 ft |
| September | 68.4 | 723 ft | 78.5 | 1,365 ft |
| October | 57.1 | −15 ft | 67.7 | 678 ft |
| November | 46.8 | −704 ft | 57.1 | −15 ft |
| December | 38.7 | −1,258 ft | 48.1 | −616 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 KACY
DENSITY ALTITUDE
Field elevation 75 ft — the air behaves like 1,894 ft.
- PRESSURE ALT
- 76 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 New Jersey fields
- 26N — Ocean City Municipal
Ocean City · elev 6 ft
- N81 — Hammonton Municipal
Hammonton · elev 65 ft
- KOBI — Woodbine Municipal
Woodbine · elev 41 ft
- 31E — Eagles Nest
West Creek · elev 39 ft
- 28N — Vineland-Downstown
Vineland · elev 120 ft
- 29N — Kroelinger
Vineland · elev 93 ft
- C01 — Southern Cross
Williamstown · elev 145 ft
- KMIV — Millville Municipal
Millville · elev 85 ft
Frequently asked questions
How high does density altitude get at KACY in summer?
On a typical July afternoon — around 87 °F at the nearest NOAA normals station — density altitude at Atlantic City International reaches roughly 1,870 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 KACY on an average day?
It swings with the seasons: from roughly −1,578 ft at the coldest month's average temperature to about 1,264 ft at the warmest month's — all from a constant field elevation of 75 ft. The month-by-month table above carries the full year.
What is the field elevation of Atlantic City International?
75 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KACY (ICAO) / ACY (FAA), in Atlantic City, New Jersey.