Middlesboro, Kentucky · field elev 1,154 ft
Density Altitude at Middlesboro/Bell County (1A6)
Middlesboro/Bell County sits at 1,154 ft, and even a typical July afternoon (85 °F) only lifts density altitude to about 3,068 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 | 33.3 | −287 ft | 43.9 | 439 ft |
| February | 37.0 | −31 ft | 48.3 | 735 ft |
| March | 44.4 | 473 ft | 57.3 | 1,331 ft |
| April | 53.5 | 1,081 ft | 67.5 | 1,991 ft |
| May | 62.6 | 1,676 ft | 75.1 | 2,472 ft |
| June | 70.3 | 2,169 ft | 81.9 | 2,896 ft |
| July | 74.0 | 2,403 ft | 84.7 | 3,068 ft |
| August | 73.0 | 2,340 ft | 84.2 | 3,038 ft |
| September | 67.1 | 1,965 ft | 79.4 | 2,741 ft |
| October | 55.2 | 1,193 ft | 68.9 | 2,080 ft |
| November | 43.9 | 439 ft | 57.1 | 1,318 ft |
| December | 36.6 | −59 ft | 47.2 | 662 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 1A6
DENSITY ALTITUDE
Field elevation 1,154 ft — the air behaves like 3,087 ft.
- PRESSURE ALT
- 1,155 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
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Frequently asked questions
How high does density altitude get at 1A6 in summer?
On a typical July afternoon — around 85 °F at the nearest NOAA normals station — density altitude at Middlesboro/Bell County reaches roughly 3,068 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 1A6 on an average day?
It swings with the seasons: from roughly −287 ft at the coldest month's average temperature to about 2,403 ft at the warmest month's — all from a constant field elevation of 1,154 ft. The month-by-month table above carries the full year.
What is the field elevation of Middlesboro/Bell County?
1,154 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 1A6 (FAA), in Middlesboro, Kentucky.