Huntsville, Alabama · field elev 763 ft
Density Altitude at Huntsville Exec Tom Sharp Jr Field (KMDQ)
Huntsville Exec Tom Sharp Jr Field sits at 763 ft, and even a typical July afternoon (89 °F) only lifts density altitude to about 2,843 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 | 40.2 | −298 ft | 49.8 | 351 ft |
| February | 44.1 | −33 ft | 54.7 | 677 ft |
| March | 51.6 | 471 ft | 63.3 | 1,240 ft |
| April | 60.3 | 1,045 ft | 72.8 | 1,848 ft |
| May | 67.9 | 1,536 ft | 79.6 | 2,276 ft |
| June | 75.1 | 1,994 ft | 86.2 | 2,684 ft |
| July | 78.2 | 2,188 ft | 88.8 | 2,843 ft |
| August | 77.5 | 2,144 ft | 88.7 | 2,837 ft |
| September | 71.7 | 1,779 ft | 83.6 | 2,524 ft |
| October | 60.7 | 1,071 ft | 73.5 | 1,893 ft |
| November | 49.8 | 351 ft | 61.6 | 1,130 ft |
| December | 42.8 | −121 ft | 52.4 | 525 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 KMDQ
DENSITY ALTITUDE
Field elevation 763 ft — the air behaves like 2,856 ft.
- PRESSURE ALT
- 764 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 Alabama fields
- M38 — Hazel Green
Hazel Green · elev 814 ft
- 3M5 — Moontown
Huntsville · elev 655 ft
- KHSV — Huntsville International-Carl T Jones Field
Huntsville · elev 629 ft
- KDCU — Pryor Field Regional
Decatur · elev 592 ft
- 4A6 — Scottsboro Municipal-Word Field
Scottsboro · elev 651 ft
- 8A1 — Guntersville Municipal/Joe Starnes Field
Guntersville · elev 615 ft
- 5M0 — Hartselle/Morgan County Regional
Hartselle · elev 629 ft
- 7A6 — Stevenson
Stevenson · elev 644 ft
Frequently asked questions
How high does density altitude get at KMDQ in summer?
On a typical July afternoon — around 89 °F at the nearest NOAA normals station — density altitude at Huntsville Exec Tom Sharp Jr Field reaches roughly 2,843 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 KMDQ on an average day?
It swings with the seasons: from roughly −298 ft at the coldest month's average temperature to about 2,188 ft at the warmest month's — all from a constant field elevation of 763 ft. The month-by-month table above carries the full year.
What is the field elevation of Huntsville Exec Tom Sharp Jr Field?
763 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KMDQ (ICAO) / MDQ (FAA), in Huntsville, Alabama.