Mc Allen, Texas · field elev 107 ft
Density Altitude at Mc Allen International (KMFE)
Mc Allen International sits at 107 ft, and even a typical August afternoon (100 °F) only lifts density altitude to about 2,700 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 | 399 ft | 72.8 | 1,044 ft |
| February | 67.2 | 685 ft | 77.4 | 1,335 ft |
| March | 72.9 | 1,050 ft | 83.2 | 1,698 ft |
| April | 78.4 | 1,398 ft | 88.4 | 2,020 ft |
| May | 83.6 | 1,723 ft | 93.1 | 2,307 ft |
| June | 87.7 | 1,977 ft | 97.4 | 2,567 ft |
| July | 88.6 | 2,032 ft | 98.5 | 2,634 ft |
| August | 89.3 | 2,075 ft | 99.6 | 2,700 ft |
| September | 85.0 | 1,810 ft | 94.3 | 2,380 ft |
| October | 79.0 | 1,436 ft | 89.3 | 2,075 ft |
| November | 70.2 | 878 ft | 80.2 | 1,511 ft |
| December | 64.0 | 477 ft | 73.8 | 1,107 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 KMFE
DENSITY ALTITUDE
Field elevation 107 ft — the air behaves like 2,724 ft.
- PRESSURE ALT
- 108 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
- KTXW — Mid Valley
Weslaco · elev 70 ft
- KEBG — South Texas International At Edinburg
Edinburg · elev 75 ft
- KHRL — Valley International
Harlingen · elev 36 ft
- 67R — Rio Grande City Municipal
Rio Grande City · elev 290 ft
- KBRO — Brownsville/South Padre Island International
Brownsville · elev 22 ft
- KPIL — Cameron County
Port Isabel · elev 19 ft
- T05 — Charles R Johnson
Port Mansfield · elev 10 ft
- KBKS — Brooks County
Falfurrias · elev 112 ft
Frequently asked questions
How high does density altitude get at KMFE in summer?
On a typical August afternoon — around 100 °F at the nearest NOAA normals station — density altitude at Mc Allen International reaches roughly 2,700 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 KMFE on an average day?
It swings with the seasons: from roughly 399 ft at the coldest month's average temperature to about 2,075 ft at the warmest month's — all from a constant field elevation of 107 ft. The month-by-month table above carries the full year.
What is the field elevation of Mc Allen International?
107 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KMFE (ICAO) / MFE (FAA), in Mc Allen, Texas.