Buena Vista, Georgia · field elev 682 ft

Density Altitude at Marion County (82A)

Marion County sits at 682 ft, and even a typical July afternoon (90 °F) only lifts density altitude to about 2,842 ft — heat still trims performance, but the field rarely turns high-and-hot.

worst typical month: July · ≈2,842 ft station: PLAINS SW GA EXP STN · 18 mi away normals vintage 1991–2020

Typical density altitude by month

From NOAA 1991–2020 monthly normals at PLAINS SW GA EXP STN (18 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 47.0 63 ft 58.1 801 ft
February 50.3 284 ft 61.9 1,049 ft
March 56.9 722 ft 68.9 1,501 ft
April 63.6 1,160 ft 75.7 1,932 ft
May 71.8 1,686 ft 83.4 2,413 ft
June 78.0 2,077 ft 88.5 2,726 ft
July 80.5 2,233 ft 90.4 2,842 ft
August 79.6 2,177 ft 89.2 2,769 ft
September 74.9 1,882 ft 85.0 2,512 ft
October 65.4 1,276 ft 77.0 2,014 ft
November 55.8 650 ft 67.9 1,437 ft
December 49.7 244 ft 60.6 965 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 82A

Altimeter-style gauge: field elevation and density altitude needles 03691215 DENSITY ALT ×1,000 FT 2,818 DENSITY ALTITUDE · FEET
field elevation density altitude

DENSITY ALTITUDE 2,818 ft

Field elevation 682 ft — the air behaves like 2,818 ft.

PRESSURE ALT
683 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 82A in summer?

On a typical July afternoon — around 90 °F at the nearest NOAA normals station — density altitude at Marion County reaches roughly 2,842 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 82A on an average day?

It swings with the seasons: from roughly 63 ft at the coldest month's average temperature to about 2,233 ft at the warmest month's — all from a constant field elevation of 682 ft. The month-by-month table above carries the full year.

What is the field elevation of Marion County?

682 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 82A (FAA), in Buena Vista, Georgia.