Holly, Colorado · field elev 3,399 ft

Density Altitude at Holly (K08)

From a field elevation of 3,399 ft, a typical July afternoon at Holly (93 °F) raises density altitude to about 6,319 ft — solidly into the range where performance charts deserve a close read.

worst typical month: July · ≈6,319 ft station: HOLLY · 1 mi away normals vintage 1991–2020

Typical density altitude by month

From NOAA 1991–2020 monthly normals at HOLLY (1 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 30.5 2,317 ft 45.7 3,340 ft
February 33.9 2,549 ft 49.7 3,603 ft
March 43.2 3,174 ft 60.2 4,281 ft
April 51.3 3,707 ft 68.3 4,793 ft
May 61.8 4,383 ft 77.9 5,387 ft ▲
June 72.7 5,067 ft 89.1 6,063 ft ▲
July 78.1 5,399 ft 93.4 6,319 ft ▲
August 75.7 5,252 ft 90.6 6,153 ft ▲
September 67.1 4,718 ft 83.1 5,703 ft ▲
October 53.7 3,863 ft 70.5 4,930 ft
November 40.6 3,001 ft 57.0 4,076 ft
December 30.7 2,331 ft 46.2 3,373 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 K08

Altimeter-style gauge: field elevation and density altitude needles 03691215 DENSITY ALT ×1,000 FT 6,295 DENSITY ALTITUDE · FEET
field elevation density altitude

DENSITY ALTITUDE 6,295 ft caution

Field elevation 3,399 ft — the air behaves like 6,295 ft.

PRESSURE ALT
3,401 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 K08 in summer?

On a typical July afternoon — around 93 °F at the nearest NOAA normals station — density altitude at Holly reaches roughly 6,319 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 K08 on an average day?

It swings with the seasons: from roughly 2,317 ft at the coldest month's average temperature to about 5,399 ft at the warmest month's — all from a constant field elevation of 3,399 ft. The month-by-month table above carries the full year.

What is the field elevation of Holly?

3,399 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is K08 (FAA), in Holly, Colorado.