York, Pennsylvania · field elev 495 ft
Density Altitude at York (KTHV)
York sits at 495 ft, and even a typical July afternoon (85 °F) only lifts density altitude to about 2,296 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 | 30.1 | −1,334 ft | 39.4 | −687 ft |
| February | 32.0 | −1,201 ft | 42.3 | −488 ft |
| March | 40.3 | −625 ft | 51.3 | 120 ft |
| April | 51.2 | 113 ft | 63.3 | 910 ft |
| May | 61.1 | 767 ft | 72.6 | 1,507 ft |
| June | 70.2 | 1,354 ft | 81.1 | 2,042 ft |
| July | 74.1 | 1,602 ft | 85.2 | 2,296 ft |
| August | 72.2 | 1,482 ft | 83.5 | 2,191 ft |
| September | 65.3 | 1,039 ft | 77.0 | 1,785 ft |
| October | 53.9 | 293 ft | 65.7 | 1,065 ft |
| November | 43.5 | −406 ft | 54.2 | 313 ft |
| December | 34.5 | −1,026 ft | 43.8 | −386 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 KTHV
DENSITY ALTITUDE
Field elevation 495 ft — the air behaves like 2,283 ft.
- PRESSURE ALT
- 496 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 Pennsylvania fields
- 0P8 — Lazy B Ranch
Dover · elev 476 ft
- 07N — Bermudian Valley Airpark
Kralltown · elev 470 ft
- 2N5 — Kampel
Wellsville · elev 611 ft
- 0P2 — Shoestring Aviation Airfield
Stewartstown · elev 1,000 ft
- N71 — Donegal Springs Airpark
Mount Joy/Marietta · elev 458 ft
- KMDT — Harrisburg International
Harrisburg · elev 310 ft
- KCXY — Capital City
Harrisburg · elev 347 ft
- 9W8 — Chanceford
Brogue · elev 750 ft
Frequently asked questions
How high does density altitude get at KTHV in summer?
On a typical July afternoon — around 85 °F at the nearest NOAA normals station — density altitude at York reaches roughly 2,296 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 KTHV on an average day?
It swings with the seasons: from roughly −1,334 ft at the coldest month's average temperature to about 1,602 ft at the warmest month's — all from a constant field elevation of 495 ft. The month-by-month table above carries the full year.
What is the field elevation of York?
495 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KTHV (ICAO) / THV (FAA), in York, Pennsylvania.