Willcox, Arizona · field elev 4,187 ft
Density Altitude at Cochise County (P33)
From a field elevation of 4,187 ft, a typical June afternoon at Cochise County (97 °F) raises density altitude to about 7,458 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 | 44.9 | 4,261 ft | 61.3 | 5,317 ft ▲ |
| February | 48.4 | 4,490 ft | 64.9 | 5,544 ft ▲ |
| March | 54.1 | 4,859 ft | 71.9 | 5,979 ft ▲ |
| April | 60.2 | 5,248 ft | 78.7 | 6,394 ft ▲ |
| May | 68.4 | 5,762 ft | 87.2 | 6,905 ft ▲ |
| June | 77.7 | 6,334 ft | 96.6 | 7,458 ft ▲ |
| July | 80.8 | 6,521 ft | 96.1 | 7,429 ft ▲ |
| August | 79.1 | 6,419 ft | 93.6 | 7,283 ft ▲ |
| September | 73.8 | 6,095 ft | 90.4 | 7,095 ft ▲ |
| October | 63.3 | 5,443 ft | 81.7 | 6,576 ft ▲ |
| November | 52.4 | 4,749 ft | 70.5 | 5,892 ft ▲ |
| December | 44.2 | 4,215 ft | 60.2 | 5,248 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 P33
DENSITY ALTITUDE caution
Field elevation 4,187 ft — the air behaves like 7,482 ft.
- PRESSURE ALT
- 4,189 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
- E95 — Benson Municipal/Paul Kerchum Field
Benson · elev 3,831 ft
- P29 — Tombstone Municipal
Tombstone · elev 4,733 ft
- E37 — Flying J Ranch
Pima · elev 3,114 ft
- KSAD — Safford Regional/1lt Duane Spalsbury Field
Safford · elev 3,178 ft
- E77 — San Manuel
San Manuel · elev 3,272 ft
- KFHU — Sierra Vista Municipal-Libby Aaf
Fort Huachuca Sierra Vista · elev 4,719 ft
- KDUG — Bisbee Douglas International
Douglas Bisbee · elev 4,150 ft
- P04 — Bisbee Municipal
Bisbee · elev 4,790 ft
Frequently asked questions
How high does density altitude get at P33 in summer?
On a typical June afternoon — around 97 °F at the nearest NOAA normals station — density altitude at Cochise County reaches roughly 7,458 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 P33 on an average day?
It swings with the seasons: from roughly 4,215 ft at the coldest month's average temperature to about 6,521 ft at the warmest month's — all from a constant field elevation of 4,187 ft. The month-by-month table above carries the full year.
What is the field elevation of Cochise County?
4,187 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is P33 (FAA), in Willcox, Arizona.