Mount Sterling, Kentucky · field elev 1,020 ft
Density Altitude at Mount Sterling/Montgomery County (KIOB)
Mount Sterling/Montgomery County sits at 1,020 ft, and even a typical July afternoon (87 °F) only lifts density altitude to about 3,016 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 | 31.7 | −566 ft | 41.8 | 130 ft |
| February | 34.5 | −371 ft | 45.6 | 388 ft |
| March | 43.1 | 219 ft | 55.7 | 1,061 ft |
| April | 53.3 | 902 ft | 66.8 | 1,781 ft |
| May | 63.1 | 1,543 ft | 75.6 | 2,340 ft |
| June | 71.2 | 2,062 ft | 83.4 | 2,825 ft |
| July | 74.8 | 2,289 ft | 86.5 | 3,016 ft |
| August | 73.1 | 2,182 ft | 85.7 | 2,967 ft |
| September | 66.6 | 1,769 ft | 80.1 | 2,621 ft |
| October | 55.0 | 1,014 ft | 68.5 | 1,890 ft |
| November | 43.6 | 253 ft | 55.9 | 1,074 ft |
| December | 35.2 | −322 ft | 45.4 | 374 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 KIOB
DENSITY ALTITUDE
Field elevation 1,020 ft — the air behaves like 3,046 ft.
- PRESSURE ALT
- 1,021 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 Kentucky fields
- I50 — Stanton
Stanton · elev 651 ft
- KSYM — Morehead-Rowan County Clyde A Thomas Regional
Morehead · elev 1,028 ft
- 0I8 — Cynthiana-Harrison County
Cynthiana · elev 721 ft
- 27K — Georgetown-Scott County Regional
Georgetown · elev 948 ft
- KLEX — Blue Grass
Lexington · elev 980 ft
- KRGA — Central Kentucky Regional
Richmond · elev 1,002 ft
- KFGX — Fleming-Mason
Flemingsburg · elev 913 ft
- 9I3 — West Liberty
West Liberty · elev 934 ft
Frequently asked questions
How high does density altitude get at KIOB in summer?
On a typical July afternoon — around 87 °F at the nearest NOAA normals station — density altitude at Mount Sterling/Montgomery County reaches roughly 3,016 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 KIOB on an average day?
It swings with the seasons: from roughly −566 ft at the coldest month's average temperature to about 2,289 ft at the warmest month's — all from a constant field elevation of 1,020 ft. The month-by-month table above carries the full year.
What is the field elevation of Mount Sterling/Montgomery County?
1,020 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KIOB (ICAO) / IOB (FAA), in Mount Sterling, Kentucky.