Union Springs, Alabama · field elev 301 ft
Density Altitude at Franklin Field (07A)
Franklin Field sits at 301 ft, and even a typical July afternoon (89 °F) only lifts density altitude to about 2,317 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 | 46.3 | −457 ft | 58.0 | 324 ft |
| February | 49.7 | −228 ft | 61.9 | 580 ft |
| March | 56.1 | 199 ft | 69.2 | 1,052 ft |
| April | 62.0 | 586 ft | 75.3 | 1,440 ft |
| May | 69.9 | 1,097 ft | 81.9 | 1,854 ft |
| June | 76.7 | 1,529 ft | 87.1 | 2,176 ft |
| July | 79.7 | 1,717 ft | 89.4 | 2,317 ft |
| August | 78.9 | 1,667 ft | 88.5 | 2,262 ft |
| September | 74.6 | 1,396 ft | 85.1 | 2,053 ft |
| October | 64.2 | 729 ft | 76.7 | 1,529 ft |
| November | 53.8 | 46 ft | 67.2 | 923 ft |
| December | 48.4 | −315 ft | 59.7 | 436 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 07A
DENSITY ALTITUDE
Field elevation 301 ft — the air behaves like 2,293 ft.
- PRESSURE ALT
- 302 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
- 06A — Moton Field Municipal
Tuskegee · elev 264 ft
- KTOI — Troy Municipal At N Kenneth Campbell Field
Troy · elev 397 ft
- 11A — Clayton Municipal
Clayton · elev 435 ft
- KMGM — Montgomery Regional (Dannelly Field)
Montgomery · elev 221 ft
- KAUO — Auburn University Regional
Auburn · elev 777 ft
- 08A — Wetumpka Municipal
Wetumpka · elev 197 ft
- 04A — Frank Sikes
Luverne · elev 302 ft
- KEUF — Weedon Field
Eufaula · elev 285 ft
Frequently asked questions
How high does density altitude get at 07A in summer?
On a typical July afternoon — around 89 °F at the nearest NOAA normals station — density altitude at Franklin Field reaches roughly 2,317 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 07A on an average day?
It swings with the seasons: from roughly −457 ft at the coldest month's average temperature to about 1,717 ft at the warmest month's — all from a constant field elevation of 301 ft. The month-by-month table above carries the full year.
What is the field elevation of Franklin Field?
301 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 07A (FAA), in Union Springs, Alabama.