Fredericksburg, Virginia · field elev 85 ft
Density Altitude at Shannon (KEZF)
Shannon sits at 85 ft, and even a typical July afternoon (89 °F) only lifts density altitude to about 1,999 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 | 35.5 | −1,468 ft | 45.9 | −753 ft |
| February | 38.1 | −1,287 ft | 49.3 | −523 ft |
| March | 45.3 | −793 ft | 57.0 | −9 ft |
| April | 56.1 | −68 ft | 68.5 | 741 ft |
| May | 64.6 | 489 ft | 76.1 | 1,226 ft |
| June | 73.6 | 1,068 ft | 84.3 | 1,740 ft |
| July | 78.1 | 1,352 ft | 88.5 | 1,999 ft |
| August | 76.3 | 1,239 ft | 86.6 | 1,882 ft |
| September | 69.6 | 812 ft | 80.3 | 1,490 ft |
| October | 58.1 | 64 ft | 70.0 | 838 ft |
| November | 47.1 | −671 ft | 58.9 | 117 ft |
| December | 39.2 | −1,211 ft | 50.0 | −476 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 KEZF
DENSITY ALTITUDE
Field elevation 85 ft — the air behaves like 2,030 ft.
- PRESSURE ALT
- 86 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
- KRMN — Washington Exec/Stafford Regional
Stafford · elev 219 ft
- KHWY — Warrenton/Fauquier
Warrenton · elev 336 ft
- 7W4 — Lake Anna
Bumpass · elev 351 ft
- KCJR — Culpeper Regional
Culpeper · elev 316 ft
- KOMH — Orange County
Orange · elev 464 ft
- KLKU — Louisa County/Freeman Field
Louisa · elev 494 ft
- KOFP — Hanover County Municipal
Richmond/Ashland · elev 207 ft
- KGVE — Gordonsville Municipal
Gordonsville · elev 452 ft
Frequently asked questions
How high does density altitude get at KEZF in summer?
On a typical July afternoon — around 89 °F at the nearest NOAA normals station — density altitude at Shannon reaches roughly 1,999 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 KEZF on an average day?
It swings with the seasons: from roughly −1,468 ft at the coldest month's average temperature to about 1,352 ft at the warmest month's — all from a constant field elevation of 85 ft. The month-by-month table above carries the full year.
What is the field elevation of Shannon?
85 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KEZF (ICAO) / EZF (FAA), in Fredericksburg, Virginia.