Red Wing, Minnesota · field elev 778 ft

Density Altitude at Red Wing Regional (KRGK)

Red Wing Regional sits at 778 ft, and even a typical July afternoon (82 °F) only lifts density altitude to about 2,468 ft — heat still trims performance, but the field rarely turns high-and-hot.

worst typical month: July · ≈2,468 ft station: RED WING DAM 3 · 6 mi away normals vintage 1991–2020

Typical density altitude by month

From NOAA 1991–2020 monthly normals at RED WING DAM 3 (6 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 14.5 −2,098 ft 23.3 −1,462 ft
February 18.6 −1,800 ft 28.1 −1,121 ft
March 31.4 −889 ft 40.6 −252 ft
April 45.7 94 ft 55.5 749 ft
May 58.1 919 ft 68.4 1,587 ft
June 68.2 1,574 ft 78.2 2,207 ft
July 72.4 1,841 ft 82.4 2,468 ft
August 70.1 1,695 ft 80.2 2,331 ft
September 62.3 1,193 ft 72.7 1,860 ft
October 48.8 303 ft 58.5 946 ft
November 34.2 −694 ft 42.1 −150 ft
December 21.5 −1,591 ft 29.0 −1,057 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 KRGK

Altimeter-style gauge: field elevation and density altitude needles 03691215 DENSITY ALT ×1,000 FT 2,443 DENSITY ALTITUDE · FEET
field elevation density altitude

DENSITY ALTITUDE 2,443 ft

Field elevation 778 ft — the air behaves like 2,443 ft.

PRESSURE ALT
779 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 KRGK in summer?

On a typical July afternoon — around 82 °F at the nearest NOAA normals station — density altitude at Red Wing Regional reaches roughly 2,468 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 KRGK on an average day?

It swings with the seasons: from roughly −2,098 ft at the coldest month's average temperature to about 1,841 ft at the warmest month's — all from a constant field elevation of 778 ft. The month-by-month table above carries the full year.

What is the field elevation of Red Wing Regional?

778 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KRGK (ICAO) / RGK (FAA), in Red Wing, Minnesota.