Clewiston, Florida · field elev 20 ft
Density Altitude at Airglades (2IS)
Airglades sits at 20 ft, and even a typical July afternoon (92 °F) only lifts density altitude to about 2,122 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 | 62.3 | 259 ft | 73.6 | 988 ft |
| February | 65.8 | 487 ft | 77.4 | 1,229 ft |
| March | 68.4 | 655 ft | 80.2 | 1,405 ft |
| April | 73.2 | 962 ft | 84.6 | 1,679 ft |
| May | 77.9 | 1,260 ft | 88.4 | 1,914 ft |
| June | 81.1 | 1,461 ft | 90.4 | 2,036 ft |
| July | 82.7 | 1,561 ft | 91.8 | 2,122 ft |
| August | 82.8 | 1,567 ft | 91.6 | 2,110 ft |
| September | 81.4 | 1,480 ft | 90.0 | 2,012 ft |
| October | 77.2 | 1,216 ft | 86.8 | 1,815 ft |
| November | 70.3 | 777 ft | 81.4 | 1,480 ft |
| December | 64.7 | 416 ft | 75.8 | 1,127 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 2IS
DENSITY ALTITUDE
Field elevation 20 ft — the air behaves like 2,134 ft.
- PRESSURE ALT
- 21 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
- KPHK — Palm Beach County Glades
Pahokee · elev 16 ft
- X14 — La Belle Municipal
La Belle · elev 20 ft
- X10 — Belle Glade State Municipal
Belle Glade · elev 11 ft
- KIMM — Immokalee Regional
Immokalee · elev 37 ft
- KOBE — Okeechobee County
Okeechobee · elev 34 ft
- X58 — Indiantown
Indiantown · elev 30 ft
- KRSW — Southwest Florida International
Fort Myers · elev 30 ft
- KFMY — Page Field
Fort Myers · elev 17 ft
Frequently asked questions
How high does density altitude get at 2IS in summer?
On a typical July afternoon — around 92 °F at the nearest NOAA normals station — density altitude at Airglades reaches roughly 2,122 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 2IS on an average day?
It swings with the seasons: from roughly 259 ft at the coldest month's average temperature to about 1,567 ft at the warmest month's — all from a constant field elevation of 20 ft. The month-by-month table above carries the full year.
What is the field elevation of Airglades?
20 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 2IS (FAA), in Clewiston, Florida.