Oskaloosa, Iowa · field elev 840 ft
Density Altitude at Oskaloosa Municipal (KOOA)
Oskaloosa Municipal sits at 840 ft, and even a typical July afternoon (86 °F) only lifts density altitude to about 2,747 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 | 22.9 | −1,413 ft | 32.0 | −770 ft |
| February | 27.4 | −1,093 ft | 36.8 | −436 ft |
| March | 39.6 | −244 ft | 50.2 | 473 ft |
| April | 51.1 | 533 ft | 62.8 | 1,302 ft |
| May | 62.0 | 1,250 ft | 72.9 | 1,949 ft |
| June | 71.6 | 1,867 ft | 82.2 | 2,531 ft |
| July | 75.1 | 2,088 ft | 85.7 | 2,747 ft |
| August | 73.0 | 1,955 ft | 84.0 | 2,643 ft |
| September | 65.3 | 1,464 ft | 77.3 | 2,226 ft |
| October | 52.9 | 653 ft | 64.2 | 1,393 ft |
| November | 39.6 | −244 ft | 49.7 | 440 ft |
| December | 28.4 | −1,022 ft | 37.2 | −409 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 KOOA
DENSITY ALTITUDE
Field elevation 840 ft — the air behaves like 2,766 ft.
- PRESSURE ALT
- 841 ft
- ISA DEVIATION
- —
- RULE-OF-THUMB DA
- —
- AIR DENSITY INDEX
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- AIR DENSITY
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- WATER · GRAINS/LB
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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
- KOTM — Ottumwa Regional
Ottumwa · elev 846 ft
- 4C8 — Albia Municipal
Albia · elev 964 ft
- KPEA — Pella Municipal
Pella · elev 885 ft
- KFFL — Fairfield Municipal
Fairfield · elev 801 ft
- 8C2 — Sully Municipal
Sully · elev 922 ft
- KOXV — Knoxville Municipal
Knoxville · elev 928 ft
- 4K6 — Bloomfield Municipal
Bloomfield · elev 888 ft
- KGGI — Grinnell Regional
Grinnell · elev 1,008 ft
Frequently asked questions
How high does density altitude get at KOOA in summer?
On a typical July afternoon — around 86 °F at the nearest NOAA normals station — density altitude at Oskaloosa Municipal reaches roughly 2,747 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 KOOA on an average day?
It swings with the seasons: from roughly −1,413 ft at the coldest month's average temperature to about 2,088 ft at the warmest month's — all from a constant field elevation of 840 ft. The month-by-month table above carries the full year.
What is the field elevation of Oskaloosa Municipal?
840 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KOOA (ICAO) / OOA (FAA), in Oskaloosa, Iowa.