West Point, Virginia · field elev 20 ft
Density Altitude at Middle Peninsula Regional (KFYJ)
Middle Peninsula Regional sits at 20 ft, and even a typical July afternoon (90 °F) only lifts density altitude to about 2,012 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 | 38.7 | −1,327 ft | 49.0 | −623 ft |
| February | 41.3 | −1,148 ft | 52.8 | −368 ft |
| March | 48.5 | −657 ft | 60.7 | 155 ft |
| April | 58.8 | 30 ft | 71.8 | 873 ft |
| May | 67.0 | 565 ft | 78.7 | 1,310 ft |
| June | 75.0 | 1,077 ft | 86.1 | 1,772 ft |
| July | 79.2 | 1,342 ft | 90.0 | 2,012 ft |
| August | 77.3 | 1,222 ft | 87.7 | 1,871 ft |
| September | 71.2 | 835 ft | 81.8 | 1,505 ft |
| October | 60.2 | 122 ft | 71.7 | 867 ft |
| November | 49.8 | −570 ft | 61.1 | 181 ft |
| December | 41.8 | −1,113 ft | 52.0 | −422 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 KFYJ
DENSITY ALTITUDE
Field elevation 20 ft — the air behaves like 2,012 ft.
- PRESSURE ALT
- 21 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 Virginia fields
- W75 — Hummel Field
Saluda · elev 30 ft
- KJGG — Waltrip Williamsburg Exec Airport
Williamsburg · elev 49 ft
- W96 — New Kent County
Quinton · elev 121 ft
- KXSA — Tappahannock/Essex County
Tappahannock · elev 135 ft
- KRIC — Richmond International
Richmond · elev 168 ft
- KPHF — Newport News/Williamsburg International
Newport News · elev 42 ft
- KOFP — Hanover County Municipal
Richmond/Ashland · elev 207 ft
- KAKQ — Wakefield Municipal
Wakefield · elev 111 ft
Frequently asked questions
How high does density altitude get at KFYJ in summer?
On a typical July afternoon — around 90 °F at the nearest NOAA normals station — density altitude at Middle Peninsula Regional reaches roughly 2,012 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 KFYJ on an average day?
It swings with the seasons: from roughly −1,327 ft at the coldest month's average temperature to about 1,342 ft at the warmest month's — all from a constant field elevation of 20 ft. The month-by-month table above carries the full year.
What is the field elevation of Middle Peninsula Regional?
20 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KFYJ (ICAO) / FYJ (FAA), in West Point, Virginia.