Tappahannock, Virginia · field elev 135 ft
Density Altitude at Tappahannock/Essex County (KXSA)
Tappahannock/Essex County sits at 135 ft, and even a typical July afternoon (88 °F) only lifts density altitude to about 2,054 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 | 37.6 | −1,260 ft | 46.8 | −629 ft |
| February | 40.3 | −1,073 ft | 50.4 | −387 ft |
| March | 47.5 | −582 ft | 58.5 | 152 ft |
| April | 57.8 | 106 ft | 69.7 | 880 ft |
| May | 66.2 | 654 ft | 77.1 | 1,350 ft |
| June | 73.9 | 1,148 ft | 84.3 | 1,801 ft |
| July | 78.2 | 1,420 ft | 88.4 | 2,054 ft |
| August | 76.2 | 1,294 ft | 86.4 | 1,931 ft |
| September | 70.1 | 906 ft | 80.4 | 1,558 ft |
| October | 59.5 | 218 ft | 70.4 | 925 ft |
| November | 49.3 | −461 ft | 59.5 | 218 ft |
| December | 41.2 | −1,011 ft | 50.0 | −414 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 KXSA
DENSITY ALTITUDE
Field elevation 135 ft — the air behaves like 2,029 ft.
- PRESSURE ALT
- 136 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
- KFYJ — Middle Peninsula Regional
West Point · elev 20 ft
- W96 — New Kent County
Quinton · elev 121 ft
- W75 — Hummel Field
Saluda · elev 30 ft
- KOFP — Hanover County Municipal
Richmond/Ashland · elev 207 ft
- KRIC — Richmond International
Richmond · elev 168 ft
- KEZF — Shannon
Fredericksburg · elev 85 ft
- KJGG — Waltrip Williamsburg Exec Airport
Williamsburg · elev 49 ft
- KFCI — Richmond Exec/Chesterfield County
Richmond · elev 236 ft
Frequently asked questions
How high does density altitude get at KXSA in summer?
On a typical July afternoon — around 88 °F at the nearest NOAA normals station — density altitude at Tappahannock/Essex County reaches roughly 2,054 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 KXSA on an average day?
It swings with the seasons: from roughly −1,260 ft at the coldest month's average temperature to about 1,420 ft at the warmest month's — all from a constant field elevation of 135 ft. The month-by-month table above carries the full year.
What is the field elevation of Tappahannock/Essex County?
135 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KXSA (ICAO) / XSA (FAA), in Tappahannock, Virginia.