Melfa, Virginia · field elev 48 ft

Density Altitude at Accomack County (KMFV)

Accomack County sits at 48 ft, and even a typical July afternoon (88 °F) only lifts density altitude to about 1,899 ft — heat still trims performance, but the field rarely turns high-and-hot.

worst typical month: July · ≈1,899 ft station: PAINTER 2 W · 5 mi away normals vintage 1991–2020

Typical density altitude by month

From NOAA 1991–2020 monthly normals at PAINTER 2 W (5 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 39.3 −1,251 ft 48.2 −643 ft
February 41.1 −1,127 ft 50.8 −468 ft
March 47.4 −697 ft 57.5 −21 ft
April 57.2 −41 ft 67.9 657 ft
May 65.7 515 ft 75.7 1,155 ft
June 74.0 1,048 ft 83.4 1,639 ft
July 78.5 1,332 ft 87.6 1,899 ft
August 76.4 1,200 ft 85.5 1,769 ft
September 71.2 869 ft 80.3 1,445 ft
October 61.1 215 ft 70.9 850 ft
November 50.8 −468 ft 60.2 156 ft
December 43.1 −989 ft 52.0 −387 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 KMFV

Altimeter-style gauge: field elevation and density altitude needles 03691215 DENSITY ALT ×1,000 FT 1,923 DENSITY ALTITUDE · FEET
field elevation density altitude

DENSITY ALTITUDE 1,923 ft

Field elevation 48 ft — the air behaves like 1,923 ft.

PRESSURE ALT
49 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 KMFV in summer?

On a typical July afternoon — around 88 °F at the nearest NOAA normals station — density altitude at Accomack County reaches roughly 1,899 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 KMFV on an average day?

It swings with the seasons: from roughly −1,251 ft at the coldest month's average temperature to about 1,332 ft at the warmest month's — all from a constant field elevation of 48 ft. The month-by-month table above carries the full year.

What is the field elevation of Accomack County?

48 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KMFV (ICAO) / MFV (FAA), in Melfa, Virginia.