Waukesha, Wisconsin · field elev 912 ft

Density Altitude at Waukesha County (KUES)

Waukesha County sits at 912 ft, and even a typical July afternoon (81 °F) only lifts density altitude to about 2,557 ft — heat still trims performance, but the field rarely turns high-and-hot.

worst typical month: July · ≈2,557 ft station: BROOKFIELD WWTP · 3 mi away normals vintage 1991–2020

Typical density altitude by month

From NOAA 1991–2020 monthly normals at BROOKFIELD WWTP (3 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 19.9 −1,537 ft 27.7 −981 ft
February 23.3 −1,294 ft 31.5 −715 ft
March 33.5 −575 ft 42.4 37 ft
April 44.5 179 ft 54.3 835 ft
May 56.5 980 ft 66.5 1,629 ft
June 66.3 1,617 ft 76.6 2,270 ft
July 71.3 1,936 ft 81.2 2,557 ft
August 69.7 1,834 ft 79.2 2,433 ft
September 61.8 1,326 ft 72.2 1,993 ft
October 49.8 536 ft 59.4 1,170 ft
November 36.8 −347 ft 45.1 220 ft
December 25.9 −1,109 ft 33.1 −603 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 KUES

Altimeter-style gauge: field elevation and density altitude needles 03691215 DENSITY ALT ×1,000 FT 2,545 DENSITY ALTITUDE · FEET
field elevation density altitude

DENSITY ALTITUDE 2,545 ft

Field elevation 912 ft — the air behaves like 2,545 ft.

PRESSURE ALT
913 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 KUES in summer?

On a typical July afternoon — around 81 °F at the nearest NOAA normals station — density altitude at Waukesha County reaches roughly 2,557 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 KUES on an average day?

It swings with the seasons: from roughly −1,537 ft at the coldest month's average temperature to about 1,936 ft at the warmest month's — all from a constant field elevation of 912 ft. The month-by-month table above carries the full year.

What is the field elevation of Waukesha County?

912 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KUES (ICAO) / UES (FAA), in Waukesha, Wisconsin.