Philadelphia, Pennsylvania · field elev 302 ft

Density Altitude at Wings Field (KLOM)

Wings Field sits at 302 ft, and even a typical July afternoon (85 °F) only lifts density altitude to about 2,060 ft — heat still trims performance, but the field rarely turns high-and-hot.

worst typical month: July · ≈2,060 ft station: WILLOW GROVE NAS · 7 mi away normals vintage 1991–2020

Typical density altitude by month

From NOAA 1991–2020 monthly normals at WILLOW GROVE NAS (7 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 31.9 −1,449 ft 39.7 −907 ft
February 34.6 −1,260 ft 42.9 −687 ft
March 41.8 −762 ft 51.1 −133 ft
April 52.4 −46 ft 62.7 633 ft
May 62.2 600 ft 72.4 1,257 ft
June 71.1 1,175 ft 80.9 1,793 ft
July 76.0 1,486 ft 85.2 2,060 ft
August 73.9 1,353 ft 82.9 1,918 ft
September 66.8 899 ft 76.1 1,492 ft
October 55.5 160 ft 64.4 744 ft
November 45.2 −531 ft 53.9 54 ft
December 36.6 −1,121 ft 43.6 −639 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 KLOM

Altimeter-style gauge: field elevation and density altitude needles 03691215 DENSITY ALT ×1,000 FT 2,048 DENSITY ALTITUDE · FEET
field elevation density altitude

DENSITY ALTITUDE 2,048 ft

Field elevation 302 ft — the air behaves like 2,048 ft.

PRESSURE ALT
303 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 KLOM in summer?

On a typical July afternoon — around 85 °F at the nearest NOAA normals station — density altitude at Wings Field reaches roughly 2,060 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 KLOM on an average day?

It swings with the seasons: from roughly −1,449 ft at the coldest month's average temperature to about 1,486 ft at the warmest month's — all from a constant field elevation of 302 ft. The month-by-month table above carries the full year.

What is the field elevation of Wings Field?

302 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KLOM (ICAO) / LOM (FAA), in Philadelphia, Pennsylvania.