Gulf Shores, Alabama · field elev 17 ft
Density Altitude at Gulf Shores International/Jack Edwards Field (KJKA)
Gulf Shores International/Jack Edwards Field sits at 17 ft, and even a typical July afternoon (91 °F) only lifts density altitude to about 2,076 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 | 49.2 | −614 ft | 61.8 | 223 ft |
| February | 52.6 | −385 ft | 65.4 | 457 ft |
| March | 58.8 | 26 ft | 71.8 | 869 ft |
| April | 64.9 | 425 ft | 77.9 | 1,256 ft |
| May | 72.6 | 920 ft | 85.0 | 1,700 ft |
| June | 78.5 | 1,294 ft | 89.4 | 1,971 ft |
| July | 80.3 | 1,407 ft | 91.1 | 2,076 ft |
| August | 80.0 | 1,388 ft | 91.1 | 2,076 ft |
| September | 76.5 | 1,168 ft | 88.2 | 1,898 ft |
| October | 67.4 | 587 ft | 80.5 | 1,420 ft |
| November | 57.6 | −53 ft | 71.0 | 818 ft |
| December | 51.7 | −446 ft | 64.3 | 386 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 KJKA
DENSITY ALTITUDE
Field elevation 17 ft — the air behaves like 2,069 ft.
- PRESSURE ALT
- 18 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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- 4R9 — Jeremiah Denton
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- KBFM — Mobile International
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- 5R7 — Roy E Ray
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- 2R5 — St Elmo
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- 1R8 — Bay Minette Municipal
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- KMOB — Mobile Regional
Mobile · elev 219 ft
Frequently asked questions
How high does density altitude get at KJKA in summer?
On a typical July afternoon — around 91 °F at the nearest NOAA normals station — density altitude at Gulf Shores International/Jack Edwards Field reaches roughly 2,076 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 KJKA on an average day?
It swings with the seasons: from roughly −614 ft at the coldest month's average temperature to about 1,407 ft at the warmest month's — all from a constant field elevation of 17 ft. The month-by-month table above carries the full year.
What is the field elevation of Gulf Shores International/Jack Edwards Field?
17 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KJKA (ICAO) / JKA (FAA), in Gulf Shores, Alabama.