Fort Morgan, Colorado · field elev 4,595 ft
Density Altitude at Fort Morgan Municipal (KFMM)
From a field elevation of 4,595 ft, a typical July afternoon at Fort Morgan Municipal (90 °F) raises density altitude to about 7,576 ft — solidly into the range where performance charts deserve a close read.
Typical density altitude by month
| Month | Avg temp °F | DA at avg temp | Afternoon high °F | DA on a typical afternoon |
|---|---|---|---|---|
| January | 27.1 | 3,572 ft | 41.6 | 4,547 ft |
| February | 30.1 | 3,777 ft | 44.9 | 4,764 ft |
| March | 40.4 | 4,468 ft | 56.0 | 5,481 ft ▲ |
| April | 48.1 | 4,973 ft | 63.2 | 5,936 ft ▲ |
| May | 57.9 | 5,602 ft | 72.4 | 6,507 ft ▲ |
| June | 68.8 | 6,285 ft | 84.0 | 7,209 ft ▲ |
| July | 75.0 | 6,666 ft | 90.2 | 7,576 ft ▲ |
| August | 72.4 | 6,507 ft | 88.0 | 7,447 ft ▲ |
| September | 63.8 | 5,974 ft | 80.5 | 6,999 ft ▲ |
| October | 50.0 | 5,096 ft | 66.3 | 6,130 ft ▲ |
| November | 36.8 | 4,228 ft | 52.2 | 5,238 ft ▲ |
| December | 27.5 | 3,600 ft | 41.8 | 4,560 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 KFMM
DENSITY ALTITUDE caution
Field elevation 4,595 ft — the air behaves like 7,565 ft.
- PRESSURE ALT
- 4,597 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
Nearby Colorado fields
- 7V5 — Brush Municipal
Brush · elev 4,280 ft
- KAKO — Colorado Plains Regional
Akron · elev 4,716 ft
- KSTK — Sterling Municipal
Sterling · elev 4,038 ft
- 11V — Easton/Valley View
Greeley · elev 4,820 ft
- KGXY — Greeley-Weld County
Greeley · elev 4,697 ft
- 18V — Platte Valley Airpark
Hudson · elev 4,965 ft
- KCFO — Colorado Air And Space Port
Denver · elev 5,515 ft
- KDEN — Denver International
Denver · elev 5,434 ft
Frequently asked questions
How high does density altitude get at KFMM in summer?
On a typical July afternoon — around 90 °F at the nearest NOAA normals station — density altitude at Fort Morgan Municipal reaches roughly 7,576 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 KFMM on an average day?
It swings with the seasons: from roughly 3,572 ft at the coldest month's average temperature to about 6,666 ft at the warmest month's — all from a constant field elevation of 4,595 ft. The month-by-month table above carries the full year.
What is the field elevation of Fort Morgan Municipal?
4,595 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KFMM (ICAO) / FMM (FAA), in Fort Morgan, Colorado.