Monticello, Indiana · field elev 679 ft

Density Altitude at White County (KMCX)

White County sits at 679 ft, and even a typical July afternoon (83 °F) only lifts density altitude to about 2,384 ft — heat still trims performance, but the field rarely turns high-and-hot.

worst typical month: July · ≈2,384 ft station: CHALMERS 5 W · 10 mi away normals vintage 1991–2020

Typical density altitude by month

From NOAA 1991–2020 monthly normals at CHALMERS 5 W (10 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 23.7 −1,557 ft 31.2 −1,027 ft
February 27.2 −1,308 ft 35.5 −727 ft
March 37.8 −568 ft 47.4 86 ft
April 49.4 220 ft 60.8 974 ft
May 60.6 961 ft 72.0 1,695 ft
June 70.0 1,567 ft 81.0 2,260 ft
July 72.3 1,714 ft 83.0 2,384 ft
August 70.7 1,612 ft 81.8 2,310 ft
September 64.6 1,221 ft 76.9 2,004 ft
October 53.0 461 ft 64.5 1,214 ft
November 40.3 −396 ft 49.5 227 ft
December 29.4 −1,153 ft 36.8 −637 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 KMCX

Altimeter-style gauge: field elevation and density altitude needles 03691215 DENSITY ALT ×1,000 FT 2,384 DENSITY ALTITUDE · FEET
field elevation density altitude

DENSITY ALTITUDE 2,384 ft

Field elevation 679 ft — the air behaves like 2,384 ft.

PRESSURE ALT
680 ft
ISA DEVIATION
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RULE-OF-THUMB DA
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AIR DENSITY INDEX
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AIR DENSITY
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WATER · GRAINS/LB
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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 KMCX in summer?

On a typical July afternoon — around 83 °F at the nearest NOAA normals station — density altitude at White County reaches roughly 2,384 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 KMCX on an average day?

It swings with the seasons: from roughly −1,557 ft at the coldest month's average temperature to about 1,714 ft at the warmest month's — all from a constant field elevation of 679 ft. The month-by-month table above carries the full year.

What is the field elevation of White County?

679 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KMCX (ICAO) / MCX (FAA), in Monticello, Indiana.