Wharton, Texas · field elev 100 ft
Density Altitude at Wharton Regional (KARM)
Wharton Regional sits at 100 ft, and even a typical August afternoon (96 °F) only lifts density altitude to about 2,480 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 | 53.7 | −209 ft | 64.9 | 527 ft |
| February | 57.3 | 30 ft | 68.3 | 747 ft |
| March | 64.1 | 475 ft | 75.5 | 1,207 ft |
| April | 70.2 | 869 ft | 81.5 | 1,584 ft |
| May | 77.2 | 1,314 ft | 87.6 | 1,962 ft |
| June | 82.4 | 1,640 ft | 92.2 | 2,244 ft |
| July | 84.9 | 1,795 ft | 95.3 | 2,432 ft |
| August | 85.1 | 1,808 ft | 96.1 | 2,480 ft |
| September | 81.3 | 1,571 ft | 92.6 | 2,268 ft |
| October | 72.8 | 1,035 ft | 85.4 | 1,826 ft |
| November | 63.2 | 417 ft | 75.0 | 1,175 ft |
| December | 55.9 | −63 ft | 67.0 | 663 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 KARM
DENSITY ALTITUDE
Field elevation 100 ft — the air behaves like 2,474 ft.
- PRESSURE ALT
- 101 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 Texas fields
- 94R — Gav Air
Wharton · elev 90 ft
- T26 — Flying V Ranch
Louise · elev 60 ft
- 2H5 — Houston Fort Bend
Houston · elev 105 ft
- KELA — Eagle Lake
Eagle Lake · elev 184 ft
- KBYY — Bay City Regional
Bay City · elev 45 ft
- T54 — Lane Airpark
Rosenberg · elev 94 ft
- 26R — Jackson County
Edna · elev 62 ft
- 66R — Robert R Wells Jr
Columbus · elev 242 ft
Frequently asked questions
How high does density altitude get at KARM in summer?
On a typical August afternoon — around 96 °F at the nearest NOAA normals station — density altitude at Wharton Regional reaches roughly 2,480 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 KARM on an average day?
It swings with the seasons: from roughly −209 ft at the coldest month's average temperature to about 1,808 ft at the warmest month's — all from a constant field elevation of 100 ft. The month-by-month table above carries the full year.
What is the field elevation of Wharton Regional?
100 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KARM (ICAO) / ARM (FAA), in Wharton, Texas.