Deer Park, Washington · field elev 2,211 ft

Density Altitude at Deer Park (KDEW)

Deer Park sits at 2,211 ft, and even a typical July afternoon (84 °F) only lifts density altitude to about 4,325 ft — heat still trims performance, but the field rarely turns high-and-hot.

worst typical month: July · ≈4,325 ft station: DEER PARK AP · 0 mi away normals vintage 1991–2020

Typical density altitude by month

From NOAA 1991–2020 monthly normals at DEER PARK AP (0 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 27.5 628 ft 33.9 1,072 ft
February 30.2 816 ft 38.8 1,406 ft
March 37.6 1,325 ft 48.5 2,057 ft
April 44.7 1,804 ft 57.5 2,647 ft
May 53.3 2,373 ft 67.4 3,281 ft
June 58.6 2,718 ft 73.1 3,640 ft
July 66.3 3,212 ft 84.2 4,325 ft
August 65.5 3,161 ft 84.2 4,325 ft
September 57.0 2,614 ft 74.0 3,696 ft
October 44.6 1,797 ft 57.5 2,647 ft
November 34.1 1,085 ft 41.9 1,616 ft
December 27.2 607 ft 33.1 1,017 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 KDEW

Altimeter-style gauge: field elevation and density altitude needles 03691215 DENSITY ALT ×1,000 FT 4,313 DENSITY ALTITUDE · FEET
field elevation density altitude

DENSITY ALTITUDE 4,313 ft

Field elevation 2,211 ft — the air behaves like 4,313 ft.

PRESSURE ALT
2,212 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 KDEW in summer?

On a typical July afternoon — around 84 °F at the nearest NOAA normals station — density altitude at Deer Park reaches roughly 4,325 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 KDEW on an average day?

It swings with the seasons: from roughly 607 ft at the coldest month's average temperature to about 3,212 ft at the warmest month's — all from a constant field elevation of 2,211 ft. The month-by-month table above carries the full year.

What is the field elevation of Deer Park?

2,211 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KDEW (ICAO) / DEW (FAA), in Deer Park, Washington.