Missoula, Montana · field elev 3,206 ft
Density Altitude at Missoula Montana (KMSO)
From a field elevation of 3,206 ft, a typical July afternoon at Missoula Montana (85 °F) raises density altitude to about 5,607 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 | 24.8 | 1,682 ft | 31.6 | 2,152 ft |
| February | 29.0 | 1,974 ft | 37.0 | 2,520 ft |
| March | 37.4 | 2,547 ft | 47.9 | 3,247 ft |
| April | 44.2 | 3,002 ft | 56.1 | 3,781 ft |
| May | 53.0 | 3,580 ft | 66.2 | 4,425 ft |
| June | 59.7 | 4,012 ft | 73.2 | 4,862 ft |
| July | 68.4 | 4,563 ft | 85.4 | 5,607 ft ▲ |
| August | 67.2 | 4,488 ft | 84.3 | 5,541 ft ▲ |
| September | 57.5 | 3,871 ft | 72.6 | 4,825 ft |
| October | 44.1 | 2,995 ft | 55.7 | 3,755 ft |
| November | 32.3 | 2,200 ft | 39.9 | 2,715 ft |
| December | 24.4 | 1,655 ft | 30.9 | 2,104 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 KMSO
DENSITY ALTITUDE caution
Field elevation 3,206 ft — the air behaves like 5,583 ft.
- PRESSURE ALT
- 3,208 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
- RC0 — Rock Creek
Clinton · elev 3,547 ft
- 32S — Stevensville
Stevensville · elev 3,614 ft
- 52S — St Ignatius
St Ignatius · elev 3,006 ft
- 23S — Seeley Lake
Seeley Lake · elev 4,256 ft
- 9S4 — Mineral County
Superior · elev 2,787 ft
- 7S0 — Ronan
Ronan · elev 3,086 ft
- KHRF — Ravalli County
Hamilton · elev 3,636 ft
- S04 — Condon Usfs
Condon · elev 3,686 ft
Frequently asked questions
How high does density altitude get at KMSO in summer?
On a typical July afternoon — around 85 °F at the nearest NOAA normals station — density altitude at Missoula Montana reaches roughly 5,607 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 KMSO on an average day?
It swings with the seasons: from roughly 1,655 ft at the coldest month's average temperature to about 4,563 ft at the warmest month's — all from a constant field elevation of 3,206 ft. The month-by-month table above carries the full year.
What is the field elevation of Missoula Montana?
3,206 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KMSO (ICAO) / MSO (FAA), in Missoula, Montana.