Sunray, Texas · field elev 3,507 ft

Density Altitude at Sunray (X43)

From a field elevation of 3,507 ft, a typical July afternoon at Sunray (92 °F) raises density altitude to about 6,378 ft — solidly into the range where performance charts deserve a close read.

worst typical month: July · ≈6,378 ft station: DUMAS · 13 mi away normals vintage 1991–2020

Typical density altitude by month

From NOAA 1991–2020 monthly normals at DUMAS (13 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 35.6 2,799 ft 49.2 3,703 ft
February 38.7 3,008 ft 53.4 3,977 ft
March 46.9 3,553 ft 62.0 4,528 ft
April 54.4 4,042 ft 69.7 5,012 ft ▲
May 64.4 4,680 ft 79.0 5,585 ft ▲
June 74.6 5,316 ft 89.1 6,194 ft ▲
July 78.7 5,567 ft 92.2 6,378 ft ▲
August 77.1 5,469 ft 90.3 6,266 ft ▲
September 69.6 5,006 ft 83.2 5,840 ft ▲
October 57.3 4,228 ft 71.6 5,130 ft ▲
November 45.1 3,434 ft 58.9 4,331 ft
December 36.1 2,833 ft 49.0 3,690 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 X43

Altimeter-style gauge: field elevation and density altitude needles 03691215 DENSITY ALT ×1,000 FT 6,367 DENSITY ALTITUDE · FEET
field elevation density altitude

DENSITY ALTITUDE 6,367 ft caution

Field elevation 3,507 ft — the air behaves like 6,367 ft.

PRESSURE ALT
3,509 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 X43 in summer?

On a typical July afternoon — around 92 °F at the nearest NOAA normals station — density altitude at Sunray reaches roughly 6,378 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 X43 on an average day?

It swings with the seasons: from roughly 2,799 ft at the coldest month's average temperature to about 5,567 ft at the warmest month's — all from a constant field elevation of 3,507 ft. The month-by-month table above carries the full year.

What is the field elevation of Sunray?

3,507 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is X43 (FAA), in Sunray, Texas.