Henderson, Kentucky · field elev 387 ft
Density Altitude at Henderson City-County (KEHR)
Henderson City-County sits at 387 ft, and even a typical July afternoon (87 °F) only lifts density altitude to about 2,293 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 | 33.8 | −1,210 ft | 41.9 | −650 ft |
| February | 37.7 | −939 ft | 47.0 | −303 ft |
| March | 46.7 | −323 ft | 56.8 | 351 ft |
| April | 57.6 | 404 ft | 68.6 | 1,119 ft |
| May | 67.1 | 1,023 ft | 77.1 | 1,659 ft |
| June | 75.1 | 1,533 ft | 84.9 | 2,145 ft |
| July | 77.8 | 1,703 ft | 87.3 | 2,293 ft |
| August | 76.4 | 1,615 ft | 86.7 | 2,256 ft |
| September | 70.1 | 1,215 ft | 81.7 | 1,947 ft |
| October | 59.1 | 503 ft | 70.6 | 1,247 ft |
| November | 46.7 | −323 ft | 56.2 | 312 ft |
| December | 37.4 | −959 ft | 45.2 | −425 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 KEHR
DENSITY ALTITUDE
Field elevation 387 ft — the air behaves like 2,275 ft.
- PRESSURE ALT
- 388 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
- KTWT — Sturgis Municipal
Sturgis · elev 372 ft
- KOWB — Owensboro/Daviess County Regional
Owensboro · elev 407 ft
- 2I0 — Madisonville Regional
Madisonville · elev 439 ft
- KGDA — Marion-Crittenden County James C Johnson Regional
Marion · elev 653 ft
- 8M7 — Tradewater
Dawson Springs · elev 405 ft
- KY8 — Hancock County/Ron Lewis Field
Lewisport · elev 411 ft
- 2M0 — Princeton-Caldwell County
Princeton · elev 584 ft
- M21 — Muhlenberg County
Greenville · elev 428 ft
Frequently asked questions
How high does density altitude get at KEHR in summer?
On a typical July afternoon — around 87 °F at the nearest NOAA normals station — density altitude at Henderson City-County reaches roughly 2,293 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 KEHR on an average day?
It swings with the seasons: from roughly −1,210 ft at the coldest month's average temperature to about 1,703 ft at the warmest month's — all from a constant field elevation of 387 ft. The month-by-month table above carries the full year.
What is the field elevation of Henderson City-County?
387 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KEHR (ICAO) / EHR (FAA), in Henderson, Kentucky.