Baytown, Texas · field elev 34 ft
Density Altitude at Baytown (KHPY)
Baytown sits at 34 ft, and even a typical August afternoon (92 °F) only lifts density altitude to about 2,170 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 | 52.1 | −398 ft | 62.9 | 316 ft |
| February | 55.8 | −151 ft | 66.4 | 543 ft |
| March | 62.0 | 257 ft | 72.1 | 909 ft |
| April | 68.0 | 646 ft | 77.5 | 1,252 ft |
| May | 75.4 | 1,119 ft | 84.2 | 1,671 ft |
| June | 80.9 | 1,466 ft | 89.2 | 1,980 ft |
| July | 83.1 | 1,603 ft | 91.5 | 2,121 ft |
| August | 83.3 | 1,615 ft | 92.3 | 2,170 ft |
| September | 78.8 | 1,334 ft | 88.5 | 1,937 ft |
| October | 70.6 | 813 ft | 81.6 | 1,509 ft |
| November | 60.7 | 172 ft | 71.4 | 865 ft |
| December | 54.1 | −264 ft | 64.5 | 420 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 KHPY
DENSITY ALTITUDE
Field elevation 34 ft — the air behaves like 2,151 ft.
- PRESSURE ALT
- 35 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
- 54T — Rwj Airpark
Baytown · elev 33 ft
- T41 — La Porte Municipal
La Porte · elev 25 ft
- T00 — Chambers County
Anahuac · elev 21 ft
- KEFD — Ellington
Houston · elev 33 ft
- KHOU — William P Hobby
Houston · elev 46 ft
- KLVJ — Pearland Regional
Houston · elev 44 ft
- T78 — Liberty Municipal
Liberty · elev 70 ft
- KIAH — George Bush Intcntl/Houston
Houston · elev 96 ft
Frequently asked questions
How high does density altitude get at KHPY in summer?
On a typical August afternoon — around 92 °F at the nearest NOAA normals station — density altitude at Baytown reaches roughly 2,170 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 KHPY on an average day?
It swings with the seasons: from roughly −398 ft at the coldest month's average temperature to about 1,615 ft at the warmest month's — all from a constant field elevation of 34 ft. The month-by-month table above carries the full year.
What is the field elevation of Baytown?
34 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KHPY (ICAO) / HPY (FAA), in Baytown, Texas.