Mc Comb, Mississippi · field elev 413 ft
Density Altitude at Mc Comb/Pike County/John E Lewis Field (KMCB)
Mc Comb/Pike County/John E Lewis Field sits at 413 ft, and even a typical August afternoon (91 °F) only lifts density altitude to about 2,558 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 | 49.1 | −129 ft | 59.8 | 581 ft |
| February | 53.0 | 132 ft | 64.2 | 867 ft |
| March | 59.5 | 561 ft | 71.0 | 1,305 ft |
| April | 65.5 | 951 ft | 77.0 | 1,685 ft |
| May | 73.1 | 1,438 ft | 84.1 | 2,128 ft |
| June | 79.2 | 1,823 ft | 89.4 | 2,454 ft |
| July | 81.1 | 1,941 ft | 91.0 | 2,552 ft |
| August | 81.0 | 1,935 ft | 91.1 | 2,558 ft |
| September | 76.9 | 1,678 ft | 87.2 | 2,319 ft |
| October | 67.5 | 1,080 ft | 79.1 | 1,816 ft |
| November | 56.9 | 390 ft | 68.6 | 1,151 ft |
| December | 51.1 | 5 ft | 61.7 | 705 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 KMCB
DENSITY ALTITUDE
Field elevation 413 ft — the air behaves like 2,552 ft.
- PRESSURE ALT
- 414 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 Mississippi fields
- T36 — Paul Pittman Meml
Tylertown · elev 384 ft
- 1R7 — Brookhaven-Lincoln County
Brookhaven · elev 492 ft
- C71 — Crosby Municipal
Crosby · elev 336 ft
- 0R0 — Columbia/Marion County
Columbia · elev 270 ft
- M43 — Prentiss-Jefferson Davis County
Prentiss · elev 455 ft
- M11 — Copiah County
Crystal Springs · elev 435 ft
- KHEZ — Hardy-Anders Field/Natchez-Adams County
Natchez · elev 272 ft
- 4R1 — I H Bass Jr Meml
Lumberton · elev 310 ft
Frequently asked questions
How high does density altitude get at KMCB in summer?
On a typical August afternoon — around 91 °F at the nearest NOAA normals station — density altitude at Mc Comb/Pike County/John E Lewis Field reaches roughly 2,558 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 KMCB on an average day?
It swings with the seasons: from roughly −129 ft at the coldest month's average temperature to about 1,941 ft at the warmest month's — all from a constant field elevation of 413 ft. The month-by-month table above carries the full year.
What is the field elevation of Mc Comb/Pike County/John E Lewis Field?
413 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KMCB (ICAO) / MCB (FAA), in Mc Comb, Mississippi.