Drummond, Montana · field elev 4,245 ft
Density Altitude at Drummond (M26)
From a field elevation of 4,245 ft, a typical July afternoon at Drummond (86 °F) raises density altitude to about 6,904 ft — solidly into the range where performance charts deserve a close read.
Typical density altitude by month
| Month | Avg temp °F | DA at avg temp | Afternoon high °F | DA on a typical afternoon |
|---|---|---|---|---|
| January | 23.0 | 2,854 ft | 32.7 | 3,519 ft |
| February | 26.0 | 3,061 ft | 37.6 | 3,848 ft |
| March | 35.2 | 3,687 ft | 49.0 | 4,600 ft |
| April | 42.7 | 4,187 ft | 58.0 | 5,179 ft ▲ |
| May | 50.5 | 4,698 ft | 66.9 | 5,740 ft ▲ |
| June | 57.9 | 5,173 ft | 74.8 | 6,227 ft ▲ |
| July | 65.2 | 5,633 ft | 86.0 | 6,904 ft ▲ |
| August | 64.0 | 5,558 ft | 85.2 | 6,856 ft ▲ |
| September | 55.6 | 5,026 ft | 74.0 | 6,178 ft ▲ |
| October | 43.5 | 4,240 ft | 58.2 | 5,192 ft ▲ |
| November | 30.2 | 3,349 ft | 40.9 | 4,068 ft |
| December | 22.4 | 2,812 ft | 31.9 | 3,464 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 M26
DENSITY ALTITUDE caution
Field elevation 4,245 ft — the air behaves like 6,904 ft.
- PRESSURE ALT
- 4,247 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
- U05 — Riddick Field
Philipsburg · elev 5,219 ft
- RC0 — Rock Creek
Clinton · elev 3,547 ft
- 38S — Deer Lodge-City-County
Deer Lodge · elev 4,693 ft
- S69 — Lincoln
Lincoln · elev 4,603 ft
- 3U3 — Bowman Field
Anaconda · elev 5,034 ft
- 23S — Seeley Lake
Seeley Lake · elev 4,256 ft
- 32S — Stevensville
Stevensville · elev 3,614 ft
- KMSO — Missoula Montana
Missoula · elev 3,206 ft
Frequently asked questions
How high does density altitude get at M26 in summer?
On a typical July afternoon — around 86 °F at the nearest NOAA normals station — density altitude at Drummond reaches roughly 6,904 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 M26 on an average day?
It swings with the seasons: from roughly 2,812 ft at the coldest month's average temperature to about 5,633 ft at the warmest month's — all from a constant field elevation of 4,245 ft. The month-by-month table above carries the full year.
What is the field elevation of Drummond?
4,245 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is M26 (FAA), in Drummond, Montana.