Goldendale, Washington · field elev 1,678 ft
Density Altitude at Goldendale (S20)
Goldendale sits at 1,678 ft, and even a typical July afternoon (86 °F) only lifts density altitude to about 3,792 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 | 30.9 | 200 ft | 37.9 | 683 ft |
| February | 34.5 | 449 ft | 44.0 | 1,096 ft |
| March | 40.5 | 860 ft | 51.8 | 1,616 ft |
| April | 45.9 | 1,224 ft | 59.2 | 2,101 ft |
| May | 54.0 | 1,761 ft | 68.7 | 2,710 ft |
| June | 60.1 | 2,159 ft | 75.6 | 3,145 ft |
| July | 67.9 | 2,659 ft | 86.1 | 3,792 ft |
| August | 67.6 | 2,640 ft | 86.1 | 3,792 ft |
| September | 59.5 | 2,120 ft | 77.3 | 3,250 ft |
| October | 47.9 | 1,357 ft | 62.2 | 2,295 ft |
| November | 37.3 | 641 ft | 46.8 | 1,284 ft |
| December | 30.4 | 165 ft | 36.9 | 614 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 S20
DENSITY ALTITUDE
Field elevation 1,678 ft — the air behaves like 3,786 ft.
- PRESSURE ALT
- 1,679 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
- KYKM — Yakima Air Trml/Mcallister Field
Yakima · elev 1,099 ft
- 1S5 — Sunnyside Municipal
Sunnyside · elev 768 ft
- S40 — Prosser
Prosser · elev 706 ft
- 4S6 — Tieton State
Rimrock · elev 2,964 ft
- 55S — Packwood
Packwood · elev 1,057 ft
- M94 — Desert Aire Regional
Mattawa · elev 586 ft
- 1W1 — Grove Field
Camas · elev 429 ft
- W58 — Cedars North
Battle Ground · elev 275 ft
Frequently asked questions
How high does density altitude get at S20 in summer?
On a typical July afternoon — around 86 °F at the nearest NOAA normals station — density altitude at Goldendale reaches roughly 3,792 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 S20 on an average day?
It swings with the seasons: from roughly 165 ft at the coldest month's average temperature to about 2,659 ft at the warmest month's — all from a constant field elevation of 1,678 ft. The month-by-month table above carries the full year.
What is the field elevation of Goldendale?
1,678 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is S20 (FAA), in Goldendale, Washington.