Mexia, Texas · field elev 545 ft

Density Altitude at Mexia-Limestone County (KLXY)

Mexia-Limestone County sits at 545 ft, and even a typical August afternoon (98 °F) only lifts density altitude to about 3,105 ft — heat still trims performance, but the field rarely turns high-and-hot.

worst typical month: August · ≈3,105 ft station: MEXIA · 4 mi away normals vintage 1991–2020

Typical density altitude by month

From NOAA 1991–2020 monthly normals at MEXIA (4 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 47.8 −53 ft 60.2 770 ft
February 51.9 222 ft 63.5 984 ft
March 58.7 671 ft 71.4 1,492 ft
April 65.3 1,101 ft 78.2 1,922 ft
May 73.1 1,600 ft 84.4 2,307 ft
June 80.5 2,065 ft 91.2 2,724 ft
July 84.1 2,289 ft 95.2 2,967 ft
August 85.0 2,344 ft 97.5 3,105 ft
September 79.3 1,990 ft 91.3 2,730 ft
October 69.4 1,364 ft 83.2 2,233 ft
November 58.1 632 ft 70.8 1,454 ft
December 49.8 81 ft 61.3 841 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 KLXY

Altimeter-style gauge: field elevation and density altitude needles 03691215 DENSITY ALT ×1,000 FT 3,135 DENSITY ALTITUDE · FEET
field elevation density altitude

DENSITY ALTITUDE 3,135 ft

Field elevation 545 ft — the air behaves like 3,135 ft.

PRESSURE ALT
546 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 KLXY in summer?

On a typical August afternoon — around 98 °F at the nearest NOAA normals station — density altitude at Mexia-Limestone County reaches roughly 3,105 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 KLXY on an average day?

It swings with the seasons: from roughly −53 ft at the coldest month's average temperature to about 2,344 ft at the warmest month's — all from a constant field elevation of 545 ft. The month-by-month table above carries the full year.

What is the field elevation of Mexia-Limestone County?

545 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KLXY (ICAO) / LXY (FAA), in Mexia, Texas.