Tucson, Arizona · field elev 2,419 ft
Density Altitude at Ryan Field (KRYN)
From a field elevation of 2,419 ft, a typical June afternoon at Ryan Field (102 °F) raises density altitude to about 5,646 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 | 53.1 | 2,617 ft | 66.7 | 3,492 ft |
| February | 55.5 | 2,773 ft | 69.7 | 3,681 ft |
| March | 61.0 | 3,129 ft | 76.0 | 4,075 ft |
| April | 67.6 | 3,549 ft | 83.8 | 4,554 ft |
| May | 76.0 | 4,075 ft | 92.6 | 5,084 ft ▲ |
| June | 85.6 | 4,663 ft | 102.1 | 5,646 ft ▲ |
| July | 87.9 | 4,802 ft | 101.7 | 5,622 ft ▲ |
| August | 86.2 | 4,700 ft | 99.9 | 5,517 ft ▲ |
| September | 82.2 | 4,456 ft | 96.6 | 5,322 ft ▲ |
| October | 72.1 | 3,832 ft | 87.1 | 4,754 ft |
| November | 61.1 | 3,135 ft | 75.8 | 4,062 ft |
| December | 52.4 | 2,571 ft | 65.9 | 3,441 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 KRYN
DENSITY ALTITUDE caution
Field elevation 2,419 ft — the air behaves like 5,640 ft.
- PRESSURE ALT
- 2,420 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
- KTUS — Tucson International
Tucson · elev 2,643 ft
- KAVQ — Marana Regional
Marana · elev 2,032 ft
- KMZJ — Pinal Airpark
Marana · elev 1,893 ft
- E78 — Sells
Sells · elev 2,409 ft
- E77 — San Manuel
San Manuel · elev 3,272 ft
- E95 — Benson Municipal/Paul Kerchum Field
Benson · elev 3,831 ft
- E60 — Eloy Municipal
Eloy · elev 1,511 ft
- KOLS — Nogales International
Nogales · elev 3,955 ft
Frequently asked questions
How high does density altitude get at KRYN in summer?
On a typical June afternoon — around 102 °F at the nearest NOAA normals station — density altitude at Ryan Field reaches roughly 5,646 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 KRYN on an average day?
It swings with the seasons: from roughly 2,571 ft at the coldest month's average temperature to about 4,802 ft at the warmest month's — all from a constant field elevation of 2,419 ft. The month-by-month table above carries the full year.
What is the field elevation of Ryan Field?
2,419 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KRYN (ICAO) / RYN (FAA), in Tucson, Arizona.