Olney, Texas · field elev 1,275 ft
Density Altitude at Olney Municipal (KONY)
Olney Municipal sits at 1,275 ft, and even a typical July afternoon (97 °F) only lifts density altitude to about 3,966 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 | 42.7 | 508 ft | 55.4 | 1,356 ft |
| February | 46.8 | 785 ft | 60.3 | 1,676 ft |
| March | 55.0 | 1,329 ft | 68.6 | 2,210 ft |
| April | 63.1 | 1,857 ft | 77.0 | 2,739 ft |
| May | 71.6 | 2,400 ft | 84.0 | 3,173 ft |
| June | 80.3 | 2,945 ft | 92.2 | 3,672 ft |
| July | 84.5 | 3,204 ft | 97.1 | 3,966 ft |
| August | 84.1 | 3,179 ft | 96.8 | 3,948 ft |
| September | 76.3 | 2,696 ft | 89.2 | 3,491 ft |
| October | 65.0 | 1,979 ft | 78.1 | 2,808 ft |
| November | 53.2 | 1,211 ft | 66.4 | 2,069 ft |
| December | 44.6 | 637 ft | 57.0 | 1,461 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 KONY
DENSITY ALTITUDE
Field elevation 1,275 ft — the air behaves like 3,960 ft.
- PRESSURE ALT
- 1,276 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 Texas fields
- T39 — Archer City Municipal
Archer City · elev 1,065 ft
- 72F — Throckmorton Municipal
Throckmorton · elev 1,273 ft
- KRPH — Graham Municipal
Graham · elev 1,123 ft
- 60F — Seymour Municipal
Seymour · elev 1,344 ft
- F35 — Possum Kingdom
Graford · elev 1,008 ft
- 21F — Jacksboro Municipal
Jacksboro · elev 1,062 ft
- KCWC — Kickapoo Downtown
Wichita Falls · elev 1,003 ft
- F14 — Wichita Valley
Wichita Falls · elev 1,005 ft
Frequently asked questions
How high does density altitude get at KONY in summer?
On a typical July afternoon — around 97 °F at the nearest NOAA normals station — density altitude at Olney Municipal reaches roughly 3,966 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 KONY on an average day?
It swings with the seasons: from roughly 508 ft at the coldest month's average temperature to about 3,204 ft at the warmest month's — all from a constant field elevation of 1,275 ft. The month-by-month table above carries the full year.
What is the field elevation of Olney Municipal?
1,275 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KONY (ICAO) / ONY (FAA), in Olney, Texas.