Miami, Florida · field elev 10 ft
Density Altitude at Miami Exec (KTMB)
Miami Exec sits at 10 ft, and even a typical August afternoon (92 °F) only lifts density altitude to about 2,104 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 | 66.9 | 546 ft | 76.9 | 1,185 ft |
| February | 69.1 | 688 ft | 79.6 | 1,355 ft |
| March | 71.5 | 842 ft | 81.9 | 1,499 ft |
| April | 75.0 | 1,064 ft | 85.1 | 1,698 ft |
| May | 78.9 | 1,311 ft | 88.2 | 1,889 ft |
| June | 82.1 | 1,511 ft | 90.3 | 2,018 ft |
| July | 83.1 | 1,573 ft | 91.2 | 2,073 ft |
| August | 83.6 | 1,605 ft | 91.7 | 2,104 ft |
| September | 82.3 | 1,524 ft | 89.8 | 1,987 ft |
| October | 79.2 | 1,330 ft | 87.0 | 1,815 ft |
| November | 73.1 | 944 ft | 81.9 | 1,499 ft |
| December | 69.4 | 707 ft | 78.8 | 1,304 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 KTMB
DENSITY ALTITUDE
Field elevation 10 ft — the air behaves like 2,122 ft.
- PRESSURE ALT
- 11 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 Florida fields
- X51 — Miami Homestead General Aviation
Homestead · elev 7 ft
- KMIA — Miami International
Miami · elev 9 ft
- KOPF — Miami-Opa Locka Exec
Miami · elev 8 ft
- KHWO — North Perry
Hollywood · elev 9 ft
- KTNT — Dade-Collier Training And Transition
Miami · elev 13 ft
- KFLL — Fort Lauderdale/Hollywood International
Fort Lauderdale · elev 65 ft
- KFXE — Fort Lauderdale Exec
Fort Lauderdale · elev 13 ft
- KPMP — Pompano Beach Airpark
Pompano Beach · elev 19 ft
Frequently asked questions
How high does density altitude get at KTMB in summer?
On a typical August afternoon — around 92 °F at the nearest NOAA normals station — density altitude at Miami Exec reaches roughly 2,104 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 KTMB on an average day?
It swings with the seasons: from roughly 546 ft at the coldest month's average temperature to about 1,605 ft at the warmest month's — all from a constant field elevation of 10 ft. The month-by-month table above carries the full year.
What is the field elevation of Miami Exec?
10 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KTMB (ICAO) / TMB (FAA), in Miami, Florida.