Spokane, Washington · field elev 2,385 ft
Density Altitude at Spokane International (KGEG)
Spokane International sits at 2,385 ft, and even a typical July afternoon (84 °F) only lifts density altitude to about 4,549 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 | 29.6 | 992 ft | 34.5 | 1,329 ft |
| February | 32.9 | 1,220 ft | 39.5 | 1,670 ft |
| March | 40.0 | 1,704 ft | 48.6 | 2,279 ft |
| April | 47.0 | 2,172 ft | 56.9 | 2,822 ft |
| May | 56.0 | 2,764 ft | 67.1 | 3,476 ft |
| June | 62.3 | 3,170 ft | 73.7 | 3,890 ft |
| July | 71.0 | 3,721 ft | 84.4 | 4,549 ft |
| August | 70.3 | 3,677 ft | 83.8 | 4,513 ft |
| September | 61.1 | 3,093 ft | 73.6 | 3,884 ft |
| October | 47.9 | 2,232 ft | 57.7 | 2,874 ft |
| November | 36.3 | 1,452 ft | 42.3 | 1,859 ft |
| December | 29.1 | 957 ft | 33.8 | 1,281 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 KGEG
DENSITY ALTITUDE
Field elevation 2,385 ft — the air behaves like 4,525 ft.
- PRESSURE ALT
- 2,386 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
- KSFF — Felts Field
Spokane · elev 1,957 ft
- 70S — Mead Flying Service
Mead · elev 1,905 ft
- KDEW — Deer Park
Deer Park · elev 2,211 ft
- 72S — Rosalia Municipal
Rosalia · elev 2,170 ft
- 68S — Davenport
Davenport · elev 2,424 ft
- 73S — Willard Field
Tekoa · elev 2,520 ft
- 1S9 — Chewelah Municipal
Chewelah · elev 2,084 ft
- 33S — Pru Field
Ritzville · elev 1,801 ft
Frequently asked questions
How high does density altitude get at KGEG in summer?
On a typical July afternoon — around 84 °F at the nearest NOAA normals station — density altitude at Spokane International reaches roughly 4,549 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 KGEG on an average day?
It swings with the seasons: from roughly 957 ft at the coldest month's average temperature to about 3,721 ft at the warmest month's — all from a constant field elevation of 2,385 ft. The month-by-month table above carries the full year.
What is the field elevation of Spokane International?
2,385 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KGEG (ICAO) / GEG (FAA), in Spokane, Washington.