Madisonville, Tennessee · field elev 1,031 ft

Density Altitude at Monroe County (KMNV)

Monroe County sits at 1,031 ft, and even a typical July afternoon (90 °F) only lifts density altitude to about 3,243 ft — heat still trims performance, but the field rarely turns high-and-hot.

worst typical month: July · ≈3,243 ft station: TELLICO PLAINS · 13 mi away normals vintage 1991–2020

Typical density altitude by month

From NOAA 1991–2020 monthly normals at TELLICO PLAINS (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 39.2 −33 ft 50.5 730 ft
February 43.2 239 ft 55.3 1,048 ft
March 50.6 737 ft 63.9 1,608 ft
April 58.7 1,271 ft 73.4 2,215 ft
May 67.5 1,840 ft 80.8 2,678 ft
June 75.0 2,315 ft 87.2 3,072 ft
July 78.1 2,510 ft 90.0 3,243 ft
August 76.9 2,435 ft 89.2 3,194 ft
September 70.7 2,044 ft 84.3 2,894 ft
October 59.3 1,310 ft 73.9 2,246 ft
November 48.4 590 ft 62.1 1,492 ft
December 42.4 185 ft 53.7 942 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 KMNV

Altimeter-style gauge: field elevation and density altitude needles 03691215 DENSITY ALT ×1,000 FT 3,243 DENSITY ALTITUDE · FEET
field elevation density altitude

DENSITY ALTITUDE 3,243 ft

Field elevation 1,031 ft — the air behaves like 3,243 ft.

PRESSURE ALT
1,032 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 KMNV in summer?

On a typical July afternoon — around 90 °F at the nearest NOAA normals station — density altitude at Monroe County reaches roughly 3,243 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 KMNV on an average day?

It swings with the seasons: from roughly −33 ft at the coldest month's average temperature to about 2,510 ft at the warmest month's — all from a constant field elevation of 1,031 ft. The month-by-month table above carries the full year.

What is the field elevation of Monroe County?

1,031 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KMNV (ICAO) / MNV (FAA), in Madisonville, Tennessee.