Mobile, Alabama · field elev 219 ft
Density Altitude at Mobile Regional (KMOB)
Mobile Regional sits at 219 ft, and even a typical July afternoon (91 °F) only lifts density altitude to about 2,309 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 | 51.1 | −236 ft | 61.5 | 452 ft |
| February | 55.0 | 24 ft | 65.6 | 719 ft |
| March | 60.9 | 413 ft | 71.8 | 1,117 ft |
| April | 66.9 | 803 ft | 77.8 | 1,497 ft |
| May | 74.4 | 1,283 ft | 84.9 | 1,940 ft |
| June | 80.1 | 1,642 ft | 89.4 | 2,218 ft |
| July | 82.0 | 1,760 ft | 90.9 | 2,309 ft |
| August | 81.9 | 1,754 ft | 90.8 | 2,303 ft |
| September | 78.1 | 1,516 ft | 87.5 | 2,101 ft |
| October | 69.0 | 938 ft | 79.7 | 1,617 ft |
| November | 58.9 | 282 ft | 70.2 | 1,015 ft |
| December | 53.3 | −89 ft | 63.5 | 583 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 KMOB
DENSITY ALTITUDE
Field elevation 219 ft — the air behaves like 2,315 ft.
- PRESSURE ALT
- 220 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
- KBFM — Mobile International
Mobile · elev 26 ft
- 2R5 — St Elmo
St Elmo · elev 132 ft
- 5R7 — Roy E Ray
Bayou La Batre · elev 87 ft
- 15A — Mark Reynolds/North Mobile County
Creola · elev 8 ft
- KCQF — H L Sonny Callahan
Fairhope · elev 91 ft
- 1R8 — Bay Minette Municipal
Bay Minette · elev 248 ft
- 4R9 — Jeremiah Denton
Dauphin Island · elev 5 ft
- 5R4 — Holk Field At Foley Municipal
Foley · elev 74 ft
Frequently asked questions
How high does density altitude get at KMOB in summer?
On a typical July afternoon — around 91 °F at the nearest NOAA normals station — density altitude at Mobile Regional reaches roughly 2,309 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 KMOB on an average day?
It swings with the seasons: from roughly −236 ft at the coldest month's average temperature to about 1,760 ft at the warmest month's — all from a constant field elevation of 219 ft. The month-by-month table above carries the full year.
What is the field elevation of Mobile Regional?
219 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KMOB (ICAO) / MOB (FAA), in Mobile, Alabama.