Orlando, Florida · field elev 82 ft
Density Altitude at Kissimmee Gateway (KISM)
Kissimmee Gateway sits at 82 ft, and even a typical July afternoon (92 °F) only lifts density altitude to about 2,179 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 | 60.1 | 192 ft | 71.8 | 949 ft |
| February | 62.6 | 355 ft | 74.4 | 1,115 ft |
| March | 66.1 | 583 ft | 77.9 | 1,336 ft |
| April | 71.4 | 924 ft | 83.0 | 1,655 ft |
| May | 76.6 | 1,254 ft | 87.4 | 1,928 ft |
| June | 80.9 | 1,524 ft | 90.0 | 2,087 ft |
| July | 82.5 | 1,624 ft | 91.5 | 2,179 ft |
| August | 82.7 | 1,637 ft | 91.4 | 2,173 ft |
| September | 81.1 | 1,537 ft | 89.5 | 2,057 ft |
| October | 75.4 | 1,178 ft | 84.6 | 1,755 ft |
| November | 67.9 | 699 ft | 78.6 | 1,380 ft |
| December | 62.5 | 349 ft | 73.5 | 1,058 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 KISM
DENSITY ALTITUDE
Field elevation 82 ft — the air behaves like 2,210 ft.
- PRESSURE ALT
- 83 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
- KMCO — Orlando International
Orlando · elev 96 ft
- KORL — Orlando Exec
Orlando · elev 113 ft
- KGIF — Winter Haven Regional
Winter Haven · elev 146 ft
- X25 — Chalet Suzanne Air Strip
Lake Wales · elev 130 ft
- X07 — Lake Wales Municipal
Lake Wales · elev 127 ft
- X04 — Orlando Apopka
Apopka · elev 150 ft
- KBOW — Bartow Exec
Bartow · elev 125 ft
- X61 — Bob White Field
Zellwood · elev 78 ft
Frequently asked questions
How high does density altitude get at KISM in summer?
On a typical July afternoon — around 92 °F at the nearest NOAA normals station — density altitude at Kissimmee Gateway reaches roughly 2,179 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 KISM on an average day?
It swings with the seasons: from roughly 192 ft at the coldest month's average temperature to about 1,637 ft at the warmest month's — all from a constant field elevation of 82 ft. The month-by-month table above carries the full year.
What is the field elevation of Kissimmee Gateway?
82 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KISM (ICAO) / ISM (FAA), in Orlando, Florida.