Barre/Montpelier, Vermont · field elev 1,166 ft
Density Altitude at Edward F Knapp State (KMPV)
Edward F Knapp State sits at 1,166 ft, and even a typical July afternoon (78 °F) only lifts density altitude to about 2,643 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 | 16.6 | −1,456 ft | 25.8 | −798 ft |
| February | 18.9 | −1,290 ft | 28.9 | −579 ft |
| March | 27.9 | −650 ft | 37.6 | 25 ft |
| April | 40.9 | 251 ft | 51.5 | 963 ft |
| May | 53.3 | 1,083 ft | 65.0 | 1,845 ft |
| June | 61.8 | 1,639 ft | 73.2 | 2,367 ft |
| July | 66.5 | 1,942 ft | 77.6 | 2,643 ft |
| August | 64.9 | 1,839 ft | 76.1 | 2,550 ft |
| September | 57.4 | 1,352 ft | 68.6 | 2,076 ft |
| October | 45.5 | 562 ft | 55.3 | 1,215 ft |
| November | 34.4 | −196 ft | 42.8 | 380 ft |
| December | 23.2 | −982 ft | 31.3 | −411 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 KMPV
DENSITY ALTITUDE
Field elevation 1,166 ft — the air behaves like 2,668 ft.
- PRESSURE ALT
- 1,167 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
- KMVL — Morrisville-Stowe State
Morrisville · elev 733 ft
- 2B9 — Post Mills
Post Mills · elev 696 ft
- 6B0 — Middlebury State
Middlebury · elev 494 ft
- VT8 — Shelburne
Shelburne · elev 325 ft
- KBTV — Patrick Leahy Burlington International
Burlington · elev 335 ft
- KCDA — Caledonia County
Lyndonville · elev 1,188 ft
- B06 — Basin Harbor
Vergennes · elev 124 ft
Frequently asked questions
How high does density altitude get at KMPV in summer?
On a typical July afternoon — around 78 °F at the nearest NOAA normals station — density altitude at Edward F Knapp State reaches roughly 2,643 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 KMPV on an average day?
It swings with the seasons: from roughly −1,456 ft at the coldest month's average temperature to about 1,942 ft at the warmest month's — all from a constant field elevation of 1,166 ft. The month-by-month table above carries the full year.
What is the field elevation of Edward F Knapp State?
1,166 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KMPV (ICAO) / MPV (FAA), in Barre/Montpelier, Vermont.