Huntsville, Alabama · field elev 629 ft
Density Altitude at Huntsville International-Carl T Jones Field (KHSV)
Huntsville International-Carl T Jones Field sits at 629 ft, and even a typical July afternoon (92 °F) only lifts density altitude to about 2,845 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 | 42.7 | −294 ft | 52.3 | 352 ft |
| February | 46.7 | −23 ft | 57.1 | 670 ft |
| March | 54.2 | 478 ft | 65.5 | 1,217 ft |
| April | 62.9 | 1,049 ft | 74.8 | 1,811 ft |
| May | 71.3 | 1,589 ft | 82.5 | 2,292 ft |
| June | 78.6 | 2,049 ft | 89.1 | 2,699 ft |
| July | 81.3 | 2,218 ft | 91.5 | 2,845 ft |
| August | 80.5 | 2,168 ft | 91.3 | 2,833 ft |
| September | 74.9 | 1,817 ft | 86.5 | 2,539 ft |
| October | 63.9 | 1,114 ft | 76.0 | 1,886 ft |
| November | 52.5 | 366 ft | 63.9 | 1,114 ft |
| December | 45.5 | −104 ft | 55.0 | 531 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 KHSV
DENSITY ALTITUDE
Field elevation 629 ft — the air behaves like 2,875 ft.
- PRESSURE ALT
- 630 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
- KDCU — Pryor Field Regional
Decatur · elev 592 ft
- 5M0 — Hartselle/Morgan County Regional
Hartselle · elev 629 ft
- 3M5 — Moontown
Huntsville · elev 655 ft
- KMDQ — Huntsville Exec Tom Sharp Jr Field
Huntsville · elev 763 ft
- M38 — Hazel Green
Hazel Green · elev 814 ft
- KCMD — Cullman Regional/Folsom Field
Cullman · elev 970 ft
- 9A4 — Courtland
Courtland · elev 588 ft
- 8A1 — Guntersville Municipal/Joe Starnes Field
Guntersville · elev 615 ft
Frequently asked questions
How high does density altitude get at KHSV in summer?
On a typical July afternoon — around 92 °F at the nearest NOAA normals station — density altitude at Huntsville International-Carl T Jones Field reaches roughly 2,845 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 KHSV on an average day?
It swings with the seasons: from roughly −294 ft at the coldest month's average temperature to about 2,218 ft at the warmest month's — all from a constant field elevation of 629 ft. The month-by-month table above carries the full year.
What is the field elevation of Huntsville International-Carl T Jones Field?
629 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KHSV (ICAO) / HSV (FAA), in Huntsville, Alabama.