Stevenson, Alabama · field elev 644 ft
Density Altitude at Stevenson (7A6)
Stevenson sits at 644 ft, and even a typical July afternoon (88 °F) only lifts density altitude to about 2,631 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 | 38.8 | −543 ft | 48.4 | 110 ft |
| February | 42.6 | −282 ft | 53.0 | 417 ft |
| March | 50.4 | 244 ft | 62.1 | 1,015 ft |
| April | 58.7 | 793 ft | 71.3 | 1,607 ft |
| May | 67.0 | 1,332 ft | 78.2 | 2,043 ft |
| June | 74.2 | 1,791 ft | 84.8 | 2,453 ft |
| July | 77.6 | 2,005 ft | 87.7 | 2,631 ft |
| August | 76.8 | 1,955 ft | 87.2 | 2,600 ft |
| September | 71.2 | 1,601 ft | 82.1 | 2,286 ft |
| October | 59.7 | 859 ft | 71.6 | 1,626 ft |
| November | 49.0 | 150 ft | 60.2 | 892 ft |
| December | 41.5 | −358 ft | 51.3 | 304 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 7A6
DENSITY ALTITUDE
Field elevation 644 ft — the air behaves like 2,650 ft.
- PRESSURE ALT
- 645 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
- 4A6 — Scottsboro Municipal-Word Field
Scottsboro · elev 651 ft
- 4A9 — Isbell Field
Fort Payne · elev 877 ft
- 3M5 — Moontown
Huntsville · elev 655 ft
- 8A1 — Guntersville Municipal/Joe Starnes Field
Guntersville · elev 615 ft
- KMDQ — Huntsville Exec Tom Sharp Jr Field
Huntsville · elev 763 ft
- M38 — Hazel Green
Hazel Green · elev 814 ft
- KBFZ — Albertville Regional/Thomas J Brumlik Field
Albertville · elev 1,032 ft
- KPYP — Centre Piedmont/Cherokee County Regional
Centre · elev 595 ft
Frequently asked questions
How high does density altitude get at 7A6 in summer?
On a typical July afternoon — around 88 °F at the nearest NOAA normals station — density altitude at Stevenson reaches roughly 2,631 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 7A6 on an average day?
It swings with the seasons: from roughly −543 ft at the coldest month's average temperature to about 2,005 ft at the warmest month's — all from a constant field elevation of 644 ft. The month-by-month table above carries the full year.
What is the field elevation of Stevenson?
644 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 7A6 (FAA), in Stevenson, Alabama.