Giddings, Texas · field elev 484 ft
Density Altitude at Giddings-Lee County (KGYB)
Giddings-Lee County sits at 484 ft, and even a typical August afternoon (96 °F) only lifts density altitude to about 2,941 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 | 49.9 | 12 ft | 61.1 | 753 ft |
| February | 53.6 | 259 ft | 64.6 | 981 ft |
| March | 60.6 | 720 ft | 71.6 | 1,430 ft |
| April | 67.4 | 1,161 ft | 78.6 | 1,872 ft |
| May | 75.2 | 1,658 ft | 85.2 | 2,282 ft |
| June | 81.7 | 2,065 ft | 91.7 | 2,681 ft |
| July | 84.3 | 2,227 ft | 94.8 | 2,868 ft |
| August | 84.7 | 2,251 ft | 96.0 | 2,941 ft |
| September | 79.1 | 1,903 ft | 90.3 | 2,595 ft |
| October | 69.6 | 1,302 ft | 81.7 | 2,065 ft |
| November | 59.2 | 629 ft | 70.6 | 1,366 ft |
| December | 51.6 | 126 ft | 63.0 | 877 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 KGYB
DENSITY ALTITUDE
Field elevation 484 ft — the air behaves like 2,941 ft.
- PRESSURE ALT
- 485 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
- 84R — Smithville Crawford Municipal
Smithville · elev 323 ft
- 3T5 — Fayette Regional Air Center
La Grange · elev 324 ft
- KRWV — Caldwell Municipal
Caldwell · elev 391 ft
- KRCK — H H Coffield Regional
Rockdale · elev 474 ft
- 11R — Brenham Municipal
Brenham · elev 318 ft
- KEDC — Austin Exec
Austin · elev 620 ft
- T74 — Taylor Municipal
Taylor · elev 600 ft
- KAUS — Austin-Bergstrom International
Austin · elev 542 ft
Frequently asked questions
How high does density altitude get at KGYB in summer?
On a typical August afternoon — around 96 °F at the nearest NOAA normals station — density altitude at Giddings-Lee County reaches roughly 2,941 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 KGYB on an average day?
It swings with the seasons: from roughly 12 ft at the coldest month's average temperature to about 2,251 ft at the warmest month's — all from a constant field elevation of 484 ft. The month-by-month table above carries the full year.
What is the field elevation of Giddings-Lee County?
484 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KGYB (ICAO) / GYB (FAA), in Giddings, Texas.