Rockport, Texas · field elev 24 ft
Density Altitude at Aransas County (KRKP)
Aransas County sits at 24 ft, and even a typical August afternoon (92 °F) only lifts density altitude to about 2,163 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 | 57.1 | −78 ft | 65.3 | 460 ft |
| February | 61.1 | 186 ft | 68.7 | 679 ft |
| March | 66.8 | 557 ft | 74.1 | 1,025 ft |
| April | 73.0 | 955 ft | 79.7 | 1,378 ft |
| May | 79.2 | 1,347 ft | 85.1 | 1,715 ft |
| June | 84.2 | 1,659 ft | 90.1 | 2,023 ft |
| July | 85.3 | 1,727 ft | 91.2 | 2,090 ft |
| August | 85.8 | 1,758 ft | 92.4 | 2,163 ft |
| September | 82.3 | 1,541 ft | 89.3 | 1,974 ft |
| October | 75.8 | 1,132 ft | 83.6 | 1,622 ft |
| November | 66.5 | 537 ft | 74.6 | 1,056 ft |
| December | 59.2 | 61 ft | 67.5 | 602 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 KRKP
DENSITY ALTITUDE
Field elevation 24 ft — the air behaves like 2,139 ft.
- PRESSURE ALT
- 25 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
- KTFP — Ingleside Regional
Ingleside · elev 18 ft
- KRAS — Mustang Beach
Port Aransas · elev 5 ft
- KRFG — Rooke Field
Refugio · elev 54 ft
- 9R5 — Hunt
Portland · elev 38 ft
- T69 — Sinton
Sinton · elev 48 ft
- KCRP — Corpus Christi International
Corpus Christi · elev 46 ft
- TX2 — Chase Field Industrial
Beeville · elev 184 ft
- KRBO — Nueces County
Robstown · elev 80 ft
Frequently asked questions
How high does density altitude get at KRKP in summer?
On a typical August afternoon — around 92 °F at the nearest NOAA normals station — density altitude at Aransas County reaches roughly 2,163 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 KRKP on an average day?
It swings with the seasons: from roughly −78 ft at the coldest month's average temperature to about 1,758 ft at the warmest month's — all from a constant field elevation of 24 ft. The month-by-month table above carries the full year.
What is the field elevation of Aransas County?
24 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KRKP (ICAO) / RKP (FAA), in Rockport, Texas.