Palacios, Texas · field elev 14 ft
Density Altitude at Palacios Municipal (KPSX)
Palacios Municipal sits at 14 ft, and even a typical August afternoon (93 °F) only lifts density altitude to about 2,176 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 | 55.6 | −189 ft | 65.2 | 441 ft |
| February | 59.3 | 55 ft | 68.3 | 641 ft |
| March | 65.0 | 428 ft | 73.4 | 968 ft |
| April | 71.4 | 840 ft | 79.5 | 1,353 ft |
| May | 78.1 | 1,265 ft | 84.9 | 1,690 ft |
| June | 83.6 | 1,609 ft | 90.1 | 2,011 ft |
| July | 85.4 | 1,721 ft | 91.7 | 2,109 ft |
| August | 85.6 | 1,734 ft | 92.8 | 2,176 ft |
| September | 81.5 | 1,479 ft | 90.0 | 2,005 ft |
| October | 73.9 | 1,000 ft | 83.7 | 1,616 ft |
| November | 64.6 | 402 ft | 74.4 | 1,031 ft |
| December | 58.0 | −30 ft | 67.8 | 609 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 KPSX
DENSITY ALTITUDE
Field elevation 14 ft — the air behaves like 2,188 ft.
- PRESSURE ALT
- 15 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
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Frequently asked questions
How high does density altitude get at KPSX in summer?
On a typical August afternoon — around 93 °F at the nearest NOAA normals station — density altitude at Palacios Municipal reaches roughly 2,176 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 KPSX on an average day?
It swings with the seasons: from roughly −189 ft at the coldest month's average temperature to about 1,734 ft at the warmest month's — all from a constant field elevation of 14 ft. The month-by-month table above carries the full year.
What is the field elevation of Palacios Municipal?
14 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KPSX (ICAO) / PSX (FAA), in Palacios, Texas.