Brownsville, Texas · field elev 22 ft
Density Altitude at Brownsville/South Padre Island International (KBRO)
Brownsville/South Padre Island International sits at 22 ft, and even a typical August afternoon (96 °F) only lifts density altitude to about 2,398 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 | 62.8 | 294 ft | 72.6 | 927 ft |
| February | 66.5 | 535 ft | 76.2 | 1,155 ft |
| March | 71.3 | 844 ft | 80.6 | 1,432 ft |
| April | 76.7 | 1,187 ft | 85.7 | 1,750 ft |
| May | 82.0 | 1,520 ft | 90.3 | 2,033 ft |
| June | 85.6 | 1,743 ft | 94.0 | 2,258 ft |
| July | 86.4 | 1,793 ft | 95.0 | 2,319 ft |
| August | 87.0 | 1,830 ft | 96.3 | 2,398 ft |
| September | 83.4 | 1,607 ft | 92.2 | 2,149 ft |
| October | 77.9 | 1,263 ft | 87.3 | 1,848 ft |
| November | 70.5 | 792 ft | 80.3 | 1,413 ft |
| December | 64.4 | 399 ft | 74.2 | 1,028 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 KBRO
DENSITY ALTITUDE
Field elevation 22 ft — the air behaves like 2,380 ft.
- PRESSURE ALT
- 23 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
- KPIL — Cameron County
Port Isabel · elev 19 ft
- KHRL — Valley International
Harlingen · elev 36 ft
- KTXW — Mid Valley
Weslaco · elev 70 ft
- T05 — Charles R Johnson
Port Mansfield · elev 10 ft
- KMFE — Mc Allen International
Mc Allen · elev 107 ft
- KEBG — South Texas International At Edinburg
Edinburg · elev 75 ft
- 67R — Rio Grande City Municipal
Rio Grande City · elev 290 ft
- KBKS — Brooks County
Falfurrias · elev 112 ft
Frequently asked questions
How high does density altitude get at KBRO in summer?
On a typical August afternoon — around 96 °F at the nearest NOAA normals station — density altitude at Brownsville/South Padre Island International reaches roughly 2,398 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 KBRO on an average day?
It swings with the seasons: from roughly 294 ft at the coldest month's average temperature to about 1,830 ft at the warmest month's — all from a constant field elevation of 22 ft. The month-by-month table above carries the full year.
What is the field elevation of Brownsville/South Padre Island International?
22 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KBRO (ICAO) / BRO (FAA), in Brownsville, Texas.