Grants, New Mexico · field elev 6,537 ft

Density Altitude at Grants-Milan Municipal (KGNT)

Grants-Milan Municipal is a genuine high-and-hot field: from 6,537 ft of elevation, a typical July afternoon (92 °F) pushes density altitude to about 10,019 ft — the airplane performs like it is 3,482 ft above the field before the wheels roll.

worst typical month: July · ≈10,019 ft station: GRANTS AP · 0 mi away normals vintage 1991–2020

Typical density altitude by month

From NOAA 1991–2020 monthly normals at GRANTS 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 32.3 6,332 ft 49.9 7,476 ft ▲
February 36.3 6,597 ft 55.6 7,836 ft ▲
March 43.4 7,059 ft 63.5 8,327 ft ⚠
April 50.5 7,514 ft 70.4 8,748 ft ⚠
May 59.2 8,061 ft 79.6 9,299 ft ⚠
June 69.1 8,669 ft 90.3 9,926 ft ⚠
July 73.7 8,947 ft 91.9 10,019 ft ⚠
August 71.1 8,791 ft 89.0 9,851 ft ⚠
September 64.1 8,364 ft 83.5 9,530 ft ⚠
October 52.5 7,641 ft 73.4 8,929 ft ⚠
November 40.8 6,891 ft 60.4 8,135 ft ⚠
December 32.1 6,319 ft 50.2 7,495 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 KGNT

Altimeter-style gauge: field elevation and density altitude needles 03691215 DENSITY ALT ×1,000 FT 10,024 DENSITY ALTITUDE · FEET
field elevation density altitude

DENSITY ALTITUDE 10,024 ft high DA

Field elevation 6,537 ft — the air behaves like 10,024 ft.

PRESSURE ALT
6,539 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 New Mexico fields

All New Mexico airports →

Frequently asked questions

How high does density altitude get at KGNT in summer?

On a typical July afternoon — around 92 °F at the nearest NOAA normals station — density altitude at Grants-Milan Municipal reaches roughly 10,019 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 KGNT on an average day?

It swings with the seasons: from roughly 6,319 ft at the coldest month's average temperature to about 8,947 ft at the warmest month's — all from a constant field elevation of 6,537 ft. The month-by-month table above carries the full year.

What is the field elevation of Grants-Milan Municipal?

6,537 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KGNT (ICAO) / GNT (FAA), in Grants, New Mexico.