Seymour, Texas · field elev 1,344 ft
Density Altitude at Seymour Municipal (60F)
Seymour Municipal sits at 1,344 ft, and even a typical July afternoon (97 °F) only lifts density altitude to about 4,068 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 | 41.7 | 526 ft | 55.1 | 1,421 ft |
| February | 45.5 | 783 ft | 59.4 | 1,702 ft |
| March | 53.8 | 1,336 ft | 67.7 | 2,237 ft |
| April | 62.4 | 1,897 ft | 76.7 | 2,805 ft |
| May | 71.2 | 2,459 ft | 83.7 | 3,239 ft |
| June | 80.3 | 3,029 ft | 92.5 | 3,774 ft |
| July | 84.7 | 3,300 ft | 97.4 | 4,068 ft |
| August | 83.7 | 3,239 ft | 96.6 | 4,020 ft |
| September | 75.3 | 2,717 ft | 88.0 | 3,502 ft |
| October | 64.4 | 2,026 ft | 77.9 | 2,880 ft |
| November | 51.5 | 1,184 ft | 64.6 | 2,038 ft |
| December | 42.7 | 594 ft | 56.3 | 1,500 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 60F
DENSITY ALTITUDE
Field elevation 1,344 ft — the air behaves like 4,044 ft.
- PRESSURE ALT
- 1,345 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
- 37F — Munday Municipal
Munday · elev 1,474 ft
- KONY — Olney Municipal
Olney · elev 1,275 ft
- 72F — Throckmorton Municipal
Throckmorton · elev 1,273 ft
- F75 — Harrison Field Of Knox City
Knox City · elev 1,500 ft
- T39 — Archer City Municipal
Archer City · elev 1,065 ft
- F05 — Wilbarger County
Vernon · elev 1,265 ft
- 15F — Haskell Municipal
Haskell · elev 1,625 ft
- F14 — Wichita Valley
Wichita Falls · elev 1,005 ft
Frequently asked questions
How high does density altitude get at 60F in summer?
On a typical July afternoon — around 97 °F at the nearest NOAA normals station — density altitude at Seymour Municipal reaches roughly 4,068 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 60F on an average day?
It swings with the seasons: from roughly 526 ft at the coldest month's average temperature to about 3,300 ft at the warmest month's — all from a constant field elevation of 1,344 ft. The month-by-month table above carries the full year.
What is the field elevation of Seymour Municipal?
1,344 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 60F (FAA), in Seymour, Texas.