Hondo, Texas · field elev 930 ft
Density Altitude at South Texas Regional At Hondo (KHDO)
South Texas Regional At Hondo sits at 930 ft, and even a typical August afternoon (97 °F) only lifts density altitude to about 3,554 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 | 52.0 | 705 ft | 65.3 | 1,574 ft |
| February | 56.6 | 1,009 ft | 69.7 | 1,856 ft |
| March | 63.0 | 1,426 ft | 75.8 | 2,242 ft |
| April | 69.8 | 1,863 ft | 82.7 | 2,672 ft |
| May | 76.9 | 2,311 ft | 88.3 | 3,016 ft |
| June | 82.8 | 2,678 ft | 94.4 | 3,386 ft |
| July | 84.7 | 2,795 ft | 96.7 | 3,524 ft |
| August | 84.8 | 2,802 ft | 97.2 | 3,554 ft |
| September | 79.6 | 2,480 ft | 91.4 | 3,205 ft |
| October | 71.4 | 1,964 ft | 83.8 | 2,740 ft |
| November | 60.6 | 1,270 ft | 73.3 | 2,085 ft |
| December | 52.9 | 764 ft | 65.6 | 1,594 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 KHDO
DENSITY ALTITUDE
Field elevation 930 ft — the air behaves like 3,542 ft.
- PRESSURE ALT
- 931 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
- KCVB — Castroville Municipal
Castroville · elev 774 ft
- 23R — Devine Municipal
Devine · elev 702 ft
- 8T8 — San Geronimo Airpark
San Antonio · elev 1,040 ft
- KUVA — Garner Field
Uvalde · elev 942 ft
- KSKF — Kelly Field
San Antonio · elev 691 ft
- T30 — Mc Kinley Field
Pearsall · elev 586 ft
- 5C1 — Boerne Stage Airfield
San Antonio · elev 1,384 ft
- 53T — Cannon Field
Somerset · elev 610 ft
Frequently asked questions
How high does density altitude get at KHDO in summer?
On a typical August afternoon — around 97 °F at the nearest NOAA normals station — density altitude at South Texas Regional At Hondo reaches roughly 3,554 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 KHDO on an average day?
It swings with the seasons: from roughly 705 ft at the coldest month's average temperature to about 2,802 ft at the warmest month's — all from a constant field elevation of 930 ft. The month-by-month table above carries the full year.
What is the field elevation of South Texas Regional At Hondo?
930 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KHDO (ICAO) / HDO (FAA), in Hondo, Texas.