West Dover, Vermont · field elev 1,953 ft
Density Altitude at Deerfield Valley Regional (4V8)
Deerfield Valley Regional sits at 1,953 ft, and even a typical July afternoon (75 °F) only lifts density altitude to about 3,450 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 | 20.0 | −224 ft | 28.9 | 404 ft |
| February | 22.0 | −81 ft | 31.3 | 571 ft |
| March | 29.3 | 432 ft | 38.6 | 1,072 ft |
| April | 41.2 | 1,249 ft | 50.9 | 1,897 ft |
| May | 52.4 | 1,996 ft | 62.9 | 2,678 ft |
| June | 61.1 | 2,562 ft | 70.4 | 3,155 ft |
| July | 65.9 | 2,870 ft | 75.1 | 3,450 ft |
| August | 64.6 | 2,787 ft | 74.6 | 3,418 ft |
| September | 57.9 | 2,355 ft | 68.3 | 3,022 ft |
| October | 46.2 | 1,585 ft | 56.2 | 2,244 ft |
| November | 36.0 | 895 ft | 44.3 | 1,457 ft |
| December | 26.5 | 236 ft | 34.4 | 785 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 4V8
DENSITY ALTITUDE
Field elevation 1,953 ft — the air behaves like 3,443 ft.
- PRESSURE ALT
- 1,954 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
- KDDH — William H Morse State
Bennington · elev 827 ft
- KVSF — Hartness State (Springfield)
Springfield · elev 578 ft
- KRUT — Rutland/Southern Vermont Regional
Rutland · elev 787 ft
- 2B9 — Post Mills
Post Mills · elev 696 ft
- 6B0 — Middlebury State
Middlebury · elev 494 ft
- 0B7 — Warren-Sugarbush
Warren · elev 1,470 ft
- KMPV — Edward F Knapp State
Barre/Montpelier · elev 1,166 ft
- B06 — Basin Harbor
Vergennes · elev 124 ft
Frequently asked questions
How high does density altitude get at 4V8 in summer?
On a typical July afternoon — around 75 °F at the nearest NOAA normals station — density altitude at Deerfield Valley Regional reaches roughly 3,450 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 4V8 on an average day?
It swings with the seasons: from roughly −224 ft at the coldest month's average temperature to about 2,870 ft at the warmest month's — all from a constant field elevation of 1,953 ft. The month-by-month table above carries the full year.
What is the field elevation of Deerfield Valley Regional?
1,953 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 4V8 (FAA), in West Dover, Vermont.