Wilmington, North Carolina · field elev 32 ft
Density Altitude at Wilmington International (KILM)
Wilmington International sits at 32 ft, and even a typical July afternoon (90 °F) only lifts density altitude to about 2,027 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 | 46.8 | −757 ft | 57.2 | −61 ft |
| February | 49.3 | −588 ft | 60.3 | 143 ft |
| March | 55.3 | −187 ft | 66.5 | 547 ft |
| April | 63.6 | 359 ft | 74.6 | 1,066 ft |
| May | 71.1 | 843 ft | 81.1 | 1,476 ft |
| June | 78.2 | 1,294 ft | 87.0 | 1,842 ft |
| July | 81.5 | 1,501 ft | 90.0 | 2,027 ft |
| August | 80.0 | 1,407 ft | 88.3 | 1,922 ft |
| September | 75.3 | 1,110 ft | 83.9 | 1,650 ft |
| October | 65.9 | 508 ft | 76.1 | 1,161 ft |
| November | 56.1 | −134 ft | 67.4 | 605 ft |
| December | 49.7 | −561 ft | 60.3 | 143 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 KILM
DENSITY ALTITUDE
Field elevation 32 ft — the air behaves like 2,027 ft.
- PRESSURE ALT
- 33 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
- KSUT — Cape Fear Regional Jetport/Howie Franklin Field
Oak Island · elev 26 ft
- KACZ — Wallace-Pender
Wallace · elev 38 ft
- N22 — Sky Manor
Jacksonville · elev 60 ft
- 60J — Odell Williamson Municipal
Ocean Isle Beach · elev 33 ft
- KOAJ — Albert J Ellis
Jacksonville · elev 93 ft
- KEYF — Curtis L Brown Jr Field
Elizabethtown · elev 131 ft
- KCPC — Columbus County Regional
Whiteville · elev 99 ft
- KDPL — Duplin County
Kenansville · elev 137 ft
Frequently asked questions
How high does density altitude get at KILM in summer?
On a typical July afternoon — around 90 °F at the nearest NOAA normals station — density altitude at Wilmington International reaches roughly 2,027 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 KILM on an average day?
It swings with the seasons: from roughly −757 ft at the coldest month's average temperature to about 1,501 ft at the warmest month's — all from a constant field elevation of 32 ft. The month-by-month table above carries the full year.
What is the field elevation of Wilmington International?
32 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KILM (ICAO) / ILM (FAA), in Wilmington, North Carolina.