Dallas, Texas · field elev 644 ft
Density Altitude at Addison (KADS)
Addison sits at 644 ft, and even a typical August afternoon (95 °F) only lifts density altitude to about 3,063 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 | 45.8 | −65 ft | 55.9 | 609 ft |
| February | 49.8 | 204 ft | 60.0 | 879 ft |
| March | 58.1 | 754 ft | 68.6 | 1,435 ft |
| April | 65.1 | 1,210 ft | 75.4 | 1,867 ft |
| May | 73.1 | 1,721 ft | 82.6 | 2,317 ft |
| June | 80.6 | 2,193 ft | 90.0 | 2,772 ft |
| July | 84.8 | 2,453 ft | 94.3 | 3,033 ft |
| August | 84.7 | 2,447 ft | 94.8 | 3,063 ft |
| September | 77.2 | 1,980 ft | 87.3 | 2,607 ft |
| October | 66.8 | 1,319 ft | 77.5 | 1,999 ft |
| November | 55.9 | 609 ft | 66.1 | 1,274 ft |
| December | 47.6 | 56 ft | 57.3 | 702 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 KADS
DENSITY ALTITUDE
Field elevation 644 ft — the air behaves like 3,075 ft.
- PRESSURE ALT
- 645 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
- F69 — Air Park-Dallas
Dallas · elev 695 ft
- KDAL — Dallas Love Field
Dallas · elev 487 ft
- KDFW — Dallas-Fort Worth International
Dallas-Fort Worth · elev 606 ft
- 30F — Lakeview
Lake Dallas · elev 535 ft
- T31 — Aero Country
Mc Kinney · elev 765 ft
- KRBD — Dallas Exec
Dallas · elev 661 ft
- KTKI — Mckinney Ntl
Dallas · elev 589 ft
- KGPM — Grand Prairie Municipal
Grand Prairie · elev 590 ft
Frequently asked questions
How high does density altitude get at KADS in summer?
On a typical August afternoon — around 95 °F at the nearest NOAA normals station — density altitude at Addison reaches roughly 3,063 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 KADS on an average day?
It swings with the seasons: from roughly −65 ft at the coldest month's average temperature to about 2,453 ft at the warmest month's — all from a constant field elevation of 644 ft. The month-by-month table above carries the full year.
What is the field elevation of Addison?
644 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KADS (ICAO) / ADS (FAA), in Dallas, Texas.