Middlebury, Vermont · field elev 494 ft
Density Altitude at Middlebury State (6B0)
Middlebury State sits at 494 ft, and even a typical July afternoon (84 °F) only lifts density altitude to about 2,214 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 | 19.8 | −2,070 ft | 30.7 | −1,293 ft |
| February | 22.4 | −1,883 ft | 34.7 | −1,013 ft |
| March | 31.6 | −1,230 ft | 44.4 | −346 ft |
| April | 44.4 | −346 ft | 58.8 | 615 ft |
| May | 56.5 | 464 ft | 71.6 | 1,442 ft |
| June | 65.1 | 1,025 ft | 79.8 | 1,959 ft |
| July | 69.8 | 1,327 ft | 83.9 | 2,214 ft |
| August | 68.2 | 1,225 ft | 82.3 | 2,115 ft |
| September | 60.9 | 752 ft | 74.6 | 1,632 ft |
| October | 48.5 | −69 ft | 60.7 | 739 ft |
| November | 37.0 | −854 ft | 47.3 | −150 ft |
| December | 26.3 | −1,604 ft | 36.1 | −916 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 6B0
DENSITY ALTITUDE
Field elevation 494 ft — the air behaves like 2,220 ft.
- PRESSURE ALT
- 495 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 Vermont fields
- 0B7 — Warren-Sugarbush
Warren · elev 1,470 ft
- B06 — Basin Harbor
Vergennes · elev 124 ft
- VT8 — Shelburne
Shelburne · elev 325 ft
- KMPV — Edward F Knapp State
Barre/Montpelier · elev 1,166 ft
- KRUT — Rutland/Southern Vermont Regional
Rutland · elev 787 ft
- KBTV — Patrick Leahy Burlington International
Burlington · elev 335 ft
- 2B9 — Post Mills
Post Mills · elev 696 ft
- KMVL — Morrisville-Stowe State
Morrisville · elev 733 ft
Frequently asked questions
How high does density altitude get at 6B0 in summer?
On a typical July afternoon — around 84 °F at the nearest NOAA normals station — density altitude at Middlebury State reaches roughly 2,214 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 6B0 on an average day?
It swings with the seasons: from roughly −2,070 ft at the coldest month's average temperature to about 1,327 ft at the warmest month's — all from a constant field elevation of 494 ft. The month-by-month table above carries the full year.
What is the field elevation of Middlebury State?
494 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 6B0 (FAA), in Middlebury, Vermont.