Phoenix, Arizona · field elev 1,384 ft
Density Altitude at Mesa Gateway (KIWA)
Mesa Gateway sits at 1,384 ft, and even a typical July afternoon (104 °F) only lifts density altitude to about 4,519 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 | 53.1 | 1,339 ft | 65.6 | 2,152 ft |
| February | 56.3 | 1,549 ft | 69.5 | 2,400 ft |
| March | 62.3 | 1,939 ft | 76.5 | 2,841 ft |
| April | 69.0 | 2,369 ft | 84.6 | 3,343 ft |
| May | 77.7 | 2,916 ft | 93.3 | 3,871 ft |
| June | 87.0 | 3,489 ft | 102.8 | 4,436 ft |
| July | 91.3 | 3,750 ft | 104.2 | 4,519 ft |
| August | 90.1 | 3,678 ft | 102.7 | 4,430 ft |
| September | 84.8 | 3,355 ft | 97.8 | 4,140 ft |
| October | 72.7 | 2,603 ft | 86.5 | 3,459 ft |
| November | 60.4 | 1,817 ft | 73.5 | 2,653 ft |
| December | 51.6 | 1,240 ft | 63.9 | 2,043 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 KIWA
DENSITY ALTITUDE
Field elevation 1,384 ft — the air behaves like 4,507 ft.
- PRESSURE ALT
- 1,385 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 Arizona fields
- KCHD — Chandler Municipal
Chandler · elev 1,243 ft
- KFFZ — Falcon Field
Mesa · elev 1,394 ft
- P19 — Stellar Airpark
Chandler · elev 1,179 ft
- KPHX — Phoenix Sky Harbor International
Phoenix · elev 1,135 ft
- KCGZ — Casa Grande Municipal
Casa Grande · elev 1,464 ft
- KSDL — Scottsdale
Scottsdale · elev 1,510 ft
- A39 — Ak-Chin Regional
Maricopa · elev 1,307 ft
- P08 — Coolidge Municipal
Coolidge · elev 1,576 ft
Frequently asked questions
How high does density altitude get at KIWA in summer?
On a typical July afternoon — around 104 °F at the nearest NOAA normals station — density altitude at Mesa Gateway reaches roughly 4,519 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 KIWA on an average day?
It swings with the seasons: from roughly 1,240 ft at the coldest month's average temperature to about 3,750 ft at the warmest month's — all from a constant field elevation of 1,384 ft. The month-by-month table above carries the full year.
What is the field elevation of Mesa Gateway?
1,384 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KIWA (ICAO) / IWA (FAA), in Phoenix, Arizona.