Birmingham, Alabama · field elev 650 ft
Density Altitude at Birmingham-Shuttlesworth International (KBHM)
Birmingham-Shuttlesworth International sits at 650 ft, and even a typical July afternoon (91 °F) only lifts density altitude to about 2,840 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 | 44.7 | −132 ft | 54.5 | 524 ft |
| February | 48.8 | 144 ft | 59.1 | 827 ft |
| March | 56.0 | 623 ft | 67.1 | 1,346 ft |
| April | 63.6 | 1,120 ft | 75.0 | 1,849 ft |
| May | 71.5 | 1,627 ft | 82.0 | 2,287 ft |
| June | 78.3 | 2,056 ft | 88.1 | 2,663 ft |
| July | 81.5 | 2,256 ft | 91.0 | 2,840 ft |
| August | 80.9 | 2,219 ft | 90.6 | 2,816 ft |
| September | 75.6 | 1,887 ft | 85.9 | 2,528 ft |
| October | 64.9 | 1,204 ft | 76.0 | 1,912 ft |
| November | 54.0 | 491 ft | 65.0 | 1,211 ft |
| December | 47.4 | 50 ft | 56.9 | 683 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 KBHM
DENSITY ALTITUDE
Field elevation 650 ft — the air behaves like 2,840 ft.
- PRESSURE ALT
- 651 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
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- KEET — Shelby County
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- KPLR — St Clair County
Pell City · elev 485 ft
- 20A — Robbins Field
Oneonta · elev 1,125 ft
- KSCD — Merkel Field Sylacauga Municipal
Sylacauga · elev 569 ft
- KJFX — Walker County/Bevill Field
Jasper · elev 483 ft
- KASN — Talladega Municipal
Talladega · elev 529 ft
- KGAD — Northeast Alabama Regional
Gadsden · elev 569 ft
Frequently asked questions
How high does density altitude get at KBHM in summer?
On a typical July afternoon — around 91 °F at the nearest NOAA normals station — density altitude at Birmingham-Shuttlesworth International reaches roughly 2,840 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 KBHM on an average day?
It swings with the seasons: from roughly −132 ft at the coldest month's average temperature to about 2,256 ft at the warmest month's — all from a constant field elevation of 650 ft. The month-by-month table above carries the full year.
What is the field elevation of Birmingham-Shuttlesworth International?
650 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KBHM (ICAO) / BHM (FAA), in Birmingham, Alabama.