Beaumont/Port Arthur, Texas · field elev 15 ft
Density Altitude at Jack Brooks Regional (KBPT)
Jack Brooks Regional sits at 15 ft, and even a typical August afternoon (93 °F) only lifts density altitude to about 2,195 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 | 53.7 | −314 ft | 63.5 | 331 ft |
| February | 57.5 | −62 ft | 67.3 | 578 ft |
| March | 63.3 | 318 ft | 73.2 | 956 ft |
| April | 69.3 | 707 ft | 79.0 | 1,323 ft |
| May | 76.5 | 1,166 ft | 85.7 | 1,741 ft |
| June | 82.0 | 1,511 ft | 90.9 | 2,061 ft |
| July | 83.6 | 1,611 ft | 92.6 | 2,165 ft |
| August | 83.8 | 1,623 ft | 93.1 | 2,195 ft |
| September | 80.0 | 1,386 ft | 89.5 | 1,975 ft |
| October | 71.6 | 854 ft | 82.1 | 1,517 ft |
| November | 61.9 | 227 ft | 72.3 | 899 ft |
| December | 55.6 | −188 ft | 65.5 | 461 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 KBPT
DENSITY ALTITUDE
Field elevation 15 ft — the air behaves like 2,189 ft.
- PRESSURE ALT
- 16 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 Texas fields
- KBMT — Beaumont Municipal
Beaumont · elev 32 ft
- KORG — Orange County
Orange · elev 13 ft
- T90 — Chambers County/Winnie Stowell
Winnie/Stowell · elev 24 ft
- 45R — Hawthorne Field
Kountze/Silsbee · elev 71 ft
- T00 — Chambers County
Anahuac · elev 21 ft
- T78 — Liberty Municipal
Liberty · elev 70 ft
- T12 — Kirbyville
Kirbyville · elev 121 ft
- 54T — Rwj Airpark
Baytown · elev 33 ft
Frequently asked questions
How high does density altitude get at KBPT in summer?
On a typical August afternoon — around 93 °F at the nearest NOAA normals station — density altitude at Jack Brooks Regional reaches roughly 2,195 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 KBPT on an average day?
It swings with the seasons: from roughly −314 ft at the coldest month's average temperature to about 1,623 ft at the warmest month's — all from a constant field elevation of 15 ft. The month-by-month table above carries the full year.
What is the field elevation of Jack Brooks Regional?
15 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KBPT (ICAO) / BPT (FAA), in Beaumont/Port Arthur, Texas.