Franklin, North Carolina · field elev 2,034 ft
Density Altitude at Macon County (1A5)
Macon County sits at 2,034 ft, and even a typical July afternoon (84 °F) only lifts density altitude to about 4,116 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 | 37.2 | 1,077 ft | 48.3 | 1,825 ft |
| February | 40.7 | 1,315 ft | 52.6 | 2,109 ft |
| March | 47.6 | 1,778 ft | 60.1 | 2,597 ft |
| April | 55.4 | 2,292 ft | 69.0 | 3,166 ft |
| May | 63.3 | 2,803 ft | 75.6 | 3,580 ft |
| June | 70.5 | 3,260 ft | 81.5 | 3,944 ft |
| July | 74.0 | 3,480 ft | 84.3 | 4,116 ft |
| August | 73.1 | 3,424 ft | 83.3 | 4,055 ft |
| September | 67.6 | 3,077 ft | 78.5 | 3,760 ft |
| October | 57.1 | 2,403 ft | 69.8 | 3,216 ft |
| November | 46.5 | 1,705 ft | 59.9 | 2,584 ft |
| December | 40.0 | 1,268 ft | 51.2 | 2,017 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 1A5
DENSITY ALTITUDE
Field elevation 2,034 ft — the air behaves like 4,098 ft.
- PRESSURE ALT
- 2,035 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
- 24A — Jackson County
Sylva · elev 2,857 ft
- KRHP — Western Carolina Regional
Andrews · elev 1,699 ft
- KAVL — Asheville Regional
Asheville · elev 2,164 ft
- 0A7 — Hendersonville
Hendersonville · elev 2,084 ft
- KFQD — Rutherford County/Marchman Field
Rutherfordton · elev 1,077 ft
- 9A9 — Shiflet Field
Marion · elev 1,212 ft
- 7A8 — Avery County/Morrison Field
Spruce Pine · elev 2,745 ft
- KEHO — Shelby-Cleveland County Regional
Shelby · elev 847 ft
Frequently asked questions
How high does density altitude get at 1A5 in summer?
On a typical July afternoon — around 84 °F at the nearest NOAA normals station — density altitude at Macon County reaches roughly 4,116 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 1A5 on an average day?
It swings with the seasons: from roughly 1,077 ft at the coldest month's average temperature to about 3,480 ft at the warmest month's — all from a constant field elevation of 2,034 ft. The month-by-month table above carries the full year.
What is the field elevation of Macon County?
2,034 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 1A5 (FAA), in Franklin, North Carolina.