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.

worst typical month: August · ≈2,176 ft station: PALACIOS MUNI AP · 0 mi away normals vintage 1991–2020

Typical density altitude by month

From NOAA 1991–2020 monthly normals at PALACIOS MUNI AP (0 mi from the field) · standard pressure, dry air
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

Altimeter-style gauge: field elevation and density altitude needles 03691215 DENSITY ALT ×1,000 FT 2,188 DENSITY ALTITUDE · FEET
field elevation density altitude

DENSITY ALTITUDE 2,188 ft

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.