Williamsburg, Kentucky · field elev 1,178 ft
Density Altitude at Williamsburg-Whitley County (KBYL)
Williamsburg-Whitley County sits at 1,178 ft, and even a typical July afternoon (87 °F) only lifts density altitude to about 3,245 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 | 35.0 | −139 ft | 45.3 | 564 ft |
| February | 37.9 | 60 ft | 49.2 | 825 ft |
| March | 46.1 | 617 ft | 59.3 | 1,491 ft |
| April | 54.9 | 1,203 ft | 68.8 | 2,103 ft |
| May | 64.3 | 1,815 ft | 76.5 | 2,589 ft |
| June | 72.5 | 2,338 ft | 84.4 | 3,079 ft |
| July | 75.3 | 2,514 ft | 87.1 | 3,245 ft |
| August | 73.5 | 2,401 ft | 84.6 | 3,092 ft |
| September | 67.1 | 1,995 ft | 79.5 | 2,776 ft |
| October | 56.8 | 1,328 ft | 69.6 | 2,154 ft |
| November | 45.8 | 597 ft | 58.3 | 1,426 ft |
| December | 38.3 | 88 ft | 48.7 | 792 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 KBYL
DENSITY ALTITUDE
Field elevation 1,178 ft — the air behaves like 3,239 ft.
- PRESSURE ALT
- 1,179 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
- 18I — Mc Creary County
Pine Knot · elev 1,370 ft
- KLOZ — London/Corbin/Magee
London · elev 1,212 ft
- 1A6 — Middlesboro/Bell County
Middlesboro · elev 1,154 ft
- KSME — Lake Cumberland Regional
Somerset · elev 927 ft
- KEKQ — Wayne County
Monticello · elev 963 ft
- I35 — Tucker-Guthrie Meml
Harlan · elev 1,564 ft
- K24 — Russell County
Jamestown · elev 1,010 ft
- KRGA — Central Kentucky Regional
Richmond · elev 1,002 ft
Frequently asked questions
How high does density altitude get at KBYL in summer?
On a typical July afternoon — around 87 °F at the nearest NOAA normals station — density altitude at Williamsburg-Whitley County reaches roughly 3,245 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 KBYL on an average day?
It swings with the seasons: from roughly −139 ft at the coldest month's average temperature to about 2,514 ft at the warmest month's — all from a constant field elevation of 1,178 ft. The month-by-month table above carries the full year.
What is the field elevation of Williamsburg-Whitley County?
1,178 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KBYL (ICAO) / BYL (FAA), in Williamsburg, Kentucky.