Fairmont, West Virginia · field elev 1,032 ft

Density Altitude at Fairmont Municipal-Frankman Field (4G7)

Fairmont Municipal-Frankman Field sits at 1,032 ft, and even a typical July afternoon (84 °F) only lifts density altitude to about 2,852 ft — heat still trims performance, but the field rarely turns high-and-hot.

worst typical month: July · ≈2,852 ft station: FAIRMONT · 2 mi away normals vintage 1991–2020

Typical density altitude by month

From NOAA 1991–2020 monthly normals at FAIRMONT (2 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 31.8 −544 ft 39.6 −5 ft
February 34.3 −370 ft 43.0 227 ft
March 42.5 193 ft 52.4 857 ft
April 53.9 957 ft 65.4 1,706 ft
May 62.5 1,519 ft 73.4 2,216 ft
June 70.0 2,000 ft 80.2 2,642 ft
July 73.6 2,228 ft 83.6 2,852 ft
August 72.6 2,165 ft 82.6 2,790 ft
September 66.4 1,771 ft 77.1 2,448 ft
October 54.9 1,023 ft 65.3 1,700 ft
November 44.7 342 ft 53.8 950 ft
December 36.1 −245 ft 43.6 268 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 4G7

Altimeter-style gauge: field elevation and density altitude needles 03691215 DENSITY ALT ×1,000 FT 2,877 DENSITY ALTITUDE · FEET
field elevation density altitude

DENSITY ALTITUDE 2,877 ft

Field elevation 1,032 ft — the air behaves like 2,877 ft.

PRESSURE ALT
1,033 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 4G7 in summer?

On a typical July afternoon — around 84 °F at the nearest NOAA normals station — density altitude at Fairmont Municipal-Frankman Field reaches roughly 2,852 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 4G7 on an average day?

It swings with the seasons: from roughly −544 ft at the coldest month's average temperature to about 2,228 ft at the warmest month's — all from a constant field elevation of 1,032 ft. The month-by-month table above carries the full year.

What is the field elevation of Fairmont Municipal-Frankman Field?

1,032 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 4G7 (FAA), in Fairmont, West Virginia.