Hinsdale, Montana · field elev 2,220 ft
Density Altitude at Hinsdale (6U5)
Hinsdale sits at 2,220 ft, and even a typical July afternoon (83 °F) only lifts density altitude to about 4,251 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 | 13.6 | −348 ft | 25.6 | 507 ft |
| February | 17.8 | −46 ft | 30.1 | 821 ft |
| March | 30.1 | 821 ft | 42.8 | 1,688 ft |
| April | 43.2 | 1,714 ft | 57.3 | 2,645 ft |
| May | 53.7 | 2,410 ft | 67.5 | 3,299 ft |
| June | 62.3 | 2,967 ft | 74.3 | 3,726 ft |
| July | 69.0 | 3,394 ft | 82.8 | 4,251 ft |
| August | 67.6 | 3,305 ft | 82.1 | 4,208 ft |
| September | 56.9 | 2,619 ft | 71.5 | 3,551 ft |
| October | 43.4 | 1,728 ft | 57.2 | 2,638 ft |
| November | 28.7 | 723 ft | 40.8 | 1,553 ft |
| December | 17.4 | −75 ft | 29.0 | 744 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 6U5
DENSITY ALTITUDE
Field elevation 2,220 ft — the air behaves like 4,263 ft.
- PRESSURE ALT
- 2,221 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
- KGGW — Wokal Field/Glasgow-Valley County
Glasgow · elev 2,296 ft
- 37S — Fort Peck
Fort Peck · elev 2,290 ft
- M75 — Malta
Malta · elev 2,254 ft
- S00 — Opheim
Opheim · elev 3,264 ft
- 9U0 — Turner
Turner · elev 3,051 ft
- KOLF — L M Clayton
Wolf Point · elev 1,989 ft
- KJDN — Jordan
Jordan · elev 2,667 ft
- 48S — Harlem
Harlem · elev 2,643 ft
Frequently asked questions
How high does density altitude get at 6U5 in summer?
On a typical July afternoon — around 83 °F at the nearest NOAA normals station — density altitude at Hinsdale reaches roughly 4,251 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 6U5 on an average day?
It swings with the seasons: from roughly −348 ft at the coldest month's average temperature to about 3,394 ft at the warmest month's — all from a constant field elevation of 2,220 ft. The month-by-month table above carries the full year.
What is the field elevation of Hinsdale?
2,220 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 6U5 (FAA), in Hinsdale, Montana.