Yakima, Washington · field elev 1,099 ft
Density Altitude at Yakima Air Trml/Mcallister Field (KYKM)
Yakima Air Trml/Mcallister Field sits at 1,099 ft, and even a typical July afternoon (90 °F) only lifts density altitude to about 3,319 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 | 31.7 | −467 ft | 39.5 | 72 ft |
| February | 36.6 | −127 ft | 47.2 | 593 ft |
| March | 43.4 | 337 ft | 56.6 | 1,217 ft |
| April | 49.9 | 774 ft | 64.7 | 1,744 ft |
| May | 58.8 | 1,361 ft | 74.1 | 2,342 ft |
| June | 65.1 | 1,769 ft | 80.7 | 2,755 ft |
| July | 72.4 | 2,235 ft | 89.9 | 3,319 ft |
| August | 70.9 | 2,140 ft | 88.5 | 3,234 ft |
| September | 62.2 | 1,582 ft | 79.4 | 2,674 ft |
| October | 49.8 | 767 ft | 64.4 | 1,724 ft |
| November | 38.0 | −31 ft | 48.9 | 707 ft |
| December | 30.6 | −544 ft | 38.2 | −17 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 KYKM
DENSITY ALTITUDE
Field elevation 1,099 ft — the air behaves like 3,325 ft.
- PRESSURE ALT
- 1,100 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 Washington fields
- 4S6 — Tieton State
Rimrock · elev 2,964 ft
- M94 — Desert Aire Regional
Mattawa · elev 586 ft
- 1S5 — Sunnyside Municipal
Sunnyside · elev 768 ft
- KELN — Bowers Field
Ellensburg · elev 1,763 ft
- S40 — Prosser
Prosser · elev 706 ft
- 2W1 — De Vere Field
Cle Elum · elev 1,800 ft
- S93 — Cle Elum Municipal
Cle Elum · elev 1,945 ft
- S20 — Goldendale
Goldendale · elev 1,678 ft
Frequently asked questions
How high does density altitude get at KYKM in summer?
On a typical July afternoon — around 90 °F at the nearest NOAA normals station — density altitude at Yakima Air Trml/Mcallister Field reaches roughly 3,319 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 KYKM on an average day?
It swings with the seasons: from roughly −544 ft at the coldest month's average temperature to about 2,235 ft at the warmest month's — all from a constant field elevation of 1,099 ft. The month-by-month table above carries the full year.
What is the field elevation of Yakima Air Trml/Mcallister Field?
1,099 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KYKM (ICAO) / YKM (FAA), in Yakima, Washington.