Glendive, Montana · field elev 2,458 ft
Density Altitude at Dawson Community (KGDV)
Dawson Community sits at 2,458 ft, and even a typical July afternoon (88 °F) only lifts density altitude to about 4,838 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 | 19.1 | 345 ft | 29.0 | 1,041 ft |
| February | 23.1 | 629 ft | 33.8 | 1,372 ft |
| March | 34.6 | 1,427 ft | 46.2 | 2,210 ft |
| April | 46.5 | 2,230 ft | 58.9 | 3,041 ft |
| May | 56.9 | 2,912 ft | 69.1 | 3,691 ft |
| June | 66.4 | 3,521 ft | 78.5 | 4,277 ft |
| July | 74.0 | 3,998 ft | 87.7 | 4,838 ft |
| August | 72.5 | 3,905 ft | 87.2 | 4,808 ft |
| September | 62.1 | 3,247 ft | 76.3 | 4,141 ft |
| October | 47.7 | 2,309 ft | 59.5 | 3,080 ft |
| November | 33.6 | 1,359 ft | 43.5 | 2,029 ft |
| December | 22.7 | 600 ft | 32.0 | 1,249 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 KGDV
DENSITY ALTITUDE
Field elevation 2,458 ft — the air behaves like 4,856 ft.
- PRESSURE ALT
- 2,460 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 Montana fields
- 8U6 — Terry
Terry · elev 2,283 ft
- 7U8 — Richey
Richey · elev 2,494 ft
- 4U6 — Circle Town County
Circle · elev 2,441 ft
- KSDY — Sidney-Richland Regional
Sidney · elev 1,985 ft
- KBHK — Baker Municipal
Baker · elev 2,981 ft
- 5U6 — Fairview
Fairview · elev 2,152 ft
- KMLS — Frank Wiley Field
Miles City · elev 2,634 ft
- PO1 — Poplar Municipal
Poplar · elev 2,037 ft
Frequently asked questions
How high does density altitude get at KGDV in summer?
On a typical July afternoon — around 88 °F at the nearest NOAA normals station — density altitude at Dawson Community reaches roughly 4,838 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 KGDV on an average day?
It swings with the seasons: from roughly 345 ft at the coldest month's average temperature to about 3,998 ft at the warmest month's — all from a constant field elevation of 2,458 ft. The month-by-month table above carries the full year.
What is the field elevation of Dawson Community?
2,458 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KGDV (ICAO) / GDV (FAA), in Glendive, Montana.