Kirbyville, Texas · field elev 121 ft
Density Altitude at Kirbyville (T12)
Kirbyville sits at 121 ft, and even a typical August afternoon (92 °F) only lifts density altitude to about 2,251 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 | 48.7 | −518 ft | 59.6 | 207 ft |
| February | 52.9 | −237 ft | 64.0 | 495 ft |
| March | 59.5 | 200 ft | 70.6 | 920 ft |
| April | 65.5 | 592 ft | 76.5 | 1,295 ft |
| May | 73.3 | 1,093 ft | 83.2 | 1,715 ft |
| June | 79.1 | 1,459 ft | 88.8 | 2,061 ft |
| July | 81.3 | 1,597 ft | 91.2 | 2,208 ft |
| August | 81.5 | 1,609 ft | 91.9 | 2,251 ft |
| September | 77.1 | 1,333 ft | 87.5 | 1,981 ft |
| October | 67.4 | 715 ft | 79.1 | 1,459 ft |
| November | 58.1 | 108 ft | 69.0 | 818 ft |
| December | 50.9 | −370 ft | 61.6 | 338 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 T12
DENSITY ALTITUDE
Field elevation 121 ft — the air behaves like 2,257 ft.
- PRESSURE ALT
- 122 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
- KJAS — Jasper County/Bell Field
Jasper · elev 213 ft
- 61R — Newton Municipal
Newton · elev 322 ft
- 45R — Hawthorne Field
Kountze/Silsbee · elev 71 ft
- 09R — Tyler County
Woodville · elev 388 ft
- KORG — Orange County
Orange · elev 13 ft
- T24 — Pineland Municipal
Pineland · elev 260 ft
- KBMT — Beaumont Municipal
Beaumont · elev 32 ft
- KBPT — Jack Brooks Regional
Beaumont/Port Arthur · elev 15 ft
Frequently asked questions
How high does density altitude get at T12 in summer?
On a typical August afternoon — around 92 °F at the nearest NOAA normals station — density altitude at Kirbyville reaches roughly 2,251 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 T12 on an average day?
It swings with the seasons: from roughly −518 ft at the coldest month's average temperature to about 1,609 ft at the warmest month's — all from a constant field elevation of 121 ft. The month-by-month table above carries the full year.
What is the field elevation of Kirbyville?
121 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is T12 (FAA), in Kirbyville, Texas.