Perry, Iowa · field elev 1,013 ft
Density Altitude at Perry Municipal (KPRO)
Perry Municipal sits at 1,013 ft, and even a typical July afternoon (85 °F) only lifts density altitude to about 2,940 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 | 19.8 | −1,418 ft | 29.5 | −728 ft |
| February | 24.1 | −1,110 ft | 34.0 | −414 ft |
| March | 36.6 | −235 ft | 47.5 | 507 ft |
| April | 49.0 | 607 ft | 61.3 | 1,418 ft |
| May | 60.5 | 1,366 ft | 71.9 | 2,098 ft |
| June | 70.9 | 2,034 ft | 81.9 | 2,724 ft |
| July | 74.5 | 2,262 ft | 85.4 | 2,940 ft |
| August | 72.1 | 2,110 ft | 83.3 | 2,810 ft |
| September | 64.3 | 1,612 ft | 77.1 | 2,425 ft |
| October | 51.5 | 774 ft | 64.0 | 1,593 ft |
| November | 37.3 | −186 ft | 47.8 | 527 ft |
| December | 25.7 | −996 ft | 35.0 | −345 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 KPRO
DENSITY ALTITUDE
Field elevation 1,013 ft — the air behaves like 2,915 ft.
- PRESSURE ALT
- 1,014 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
- KEFW — Jefferson Municipal
Jefferson · elev 1,047 ft
- KGCT — Guthrie County Regional
Guthrie Center · elev 1,221 ft
- KBNW — Boone Municipal
Boone · elev 1,160 ft
- KAMW — Ames Municipal
Ames · elev 956 ft
- KIKV — Ankeny Regional
Ankeny · elev 910 ft
- KDSM — Des Moines International
Des Moines · elev 958 ft
- 3Y3 — Winterset Municipal
Winterset · elev 1,116 ft
- KCIN — Arthur N Neu
Carroll · elev 1,204 ft
Frequently asked questions
How high does density altitude get at KPRO in summer?
On a typical July afternoon — around 85 °F at the nearest NOAA normals station — density altitude at Perry Municipal reaches roughly 2,940 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 KPRO on an average day?
It swings with the seasons: from roughly −1,418 ft at the coldest month's average temperature to about 2,262 ft at the warmest month's — all from a constant field elevation of 1,013 ft. The month-by-month table above carries the full year.
What is the field elevation of Perry Municipal?
1,013 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KPRO (ICAO) / PRO (FAA), in Perry, Iowa.