Sells, Arizona · field elev 2,409 ft
Density Altitude at Sells (E78)
From a field elevation of 2,409 ft, a typical June afternoon at Sells (99 °F) raises density altitude to about 5,458 ft — solidly into the range where performance charts deserve a close read.
Typical density altitude by month
| Month | Avg temp °F | DA at avg temp | Afternoon high °F | DA on a typical afternoon |
|---|---|---|---|---|
| January | 49.6 | 2,374 ft | 65.8 | 3,423 ft |
| February | 52.1 | 2,539 ft | 68.5 | 3,594 ft |
| March | 57.5 | 2,891 ft | 74.8 | 3,988 ft |
| April | 63.5 | 3,276 ft | 81.9 | 4,426 ft |
| May | 71.6 | 3,788 ft | 90.2 | 4,929 ft |
| June | 81.3 | 4,389 ft | 99.1 | 5,458 ft ▲ |
| July | 84.3 | 4,572 ft | 98.5 | 5,422 ft ▲ |
| August | 82.8 | 4,481 ft | 96.4 | 5,298 ft ▲ |
| September | 78.1 | 4,192 ft | 93.5 | 5,126 ft ▲ |
| October | 67.9 | 3,556 ft | 85.2 | 4,627 ft |
| November | 56.8 | 2,845 ft | 74.3 | 3,957 ft |
| December | 49.0 | 2,335 ft | 64.9 | 3,365 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 E78
DENSITY ALTITUDE caution
Field elevation 2,409 ft — the air behaves like 5,452 ft.
- PRESSURE ALT
- 2,410 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
- KRYN — Ryan Field
Tucson · elev 2,419 ft
- KAVQ — Marana Regional
Marana · elev 2,032 ft
- KMZJ — Pinal Airpark
Marana · elev 1,893 ft
- KTUS — Tucson International
Tucson · elev 2,643 ft
- E60 — Eloy Municipal
Eloy · elev 1,511 ft
- P01 — Eric Marcus Municipal
Ajo · elev 1,450 ft
- KOLS — Nogales International
Nogales · elev 3,955 ft
- KCGZ — Casa Grande Municipal
Casa Grande · elev 1,464 ft
Frequently asked questions
How high does density altitude get at E78 in summer?
On a typical June afternoon — around 99 °F at the nearest NOAA normals station — density altitude at Sells reaches roughly 5,458 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 E78 on an average day?
It swings with the seasons: from roughly 2,335 ft at the coldest month's average temperature to about 4,572 ft at the warmest month's — all from a constant field elevation of 2,409 ft. The month-by-month table above carries the full year.
What is the field elevation of Sells?
2,409 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is E78 (FAA), in Sells, Arizona.