Denison, Iowa · field elev 1,274 ft
Density Altitude at Denison Municipal (KDNS)
Denison Municipal sits at 1,274 ft, and even a typical July afternoon (83 °F) only lifts density altitude to about 3,116 ft — heat still trims performance, but the field rarely turns high-and-hot.
Typical density altitude by month
| Month | Avg temp °F | DA at avg temp | Afternoon high °F | DA on a typical afternoon |
|---|---|---|---|---|
| January | 18.6 | −1,176 ft | 27.4 | −550 ft |
| February | 22.9 | −868 ft | 32.1 | −221 ft |
| March | 35.1 | −13 ft | 45.3 | 683 ft |
| April | 47.0 | 797 ft | 58.4 | 1,551 ft |
| May | 59.0 | 1,590 ft | 69.5 | 2,266 ft |
| June | 69.4 | 2,259 ft | 79.7 | 2,906 ft |
| July | 73.1 | 2,493 ft | 83.1 | 3,116 ft |
| August | 70.8 | 2,348 ft | 81.0 | 2,987 ft |
| September | 63.2 | 1,862 ft | 74.8 | 2,600 ft |
| October | 50.4 | 1,024 ft | 61.5 | 1,752 ft |
| November | 35.8 | 35 ft | 45.5 | 696 ft |
| December | 24.1 | −783 ft | 32.4 | −200 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 KDNS
DENSITY ALTITUDE
Field elevation 1,274 ft — the air behaves like 3,110 ft.
- PRESSURE ALT
- 1,275 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 Iowa fields
- 3Y4 — Woodbine Municipal
Woodbine · elev 1,068 ft
- KIDG — Ida Grove Municipal
Ida Grove · elev 1,245 ft
- KMEY — James G Whiting Meml Field
Mapleton · elev 1,116 ft
- KHNR — Harlan Municipal
Harlan · elev 1,231 ft
- KCIN — Arthur N Neu
Carroll · elev 1,204 ft
- KADU — Audubon County
Audubon · elev 1,288 ft
- KSKI — Sac City Municipal
Sac City · elev 1,250 ft
- KSLB — Storm Lake Municipal
Storm Lake · elev 1,488 ft
Frequently asked questions
How high does density altitude get at KDNS in summer?
On a typical July afternoon — around 83 °F at the nearest NOAA normals station — density altitude at Denison Municipal reaches roughly 3,116 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 KDNS on an average day?
It swings with the seasons: from roughly −1,176 ft at the coldest month's average temperature to about 2,493 ft at the warmest month's — all from a constant field elevation of 1,274 ft. The month-by-month table above carries the full year.
What is the field elevation of Denison Municipal?
1,274 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KDNS (ICAO) / DNS (FAA), in Denison, Iowa.