Dubois, Wyoming · field elev 7,299 ft
Density Altitude at Dubois Municipal (KDUB)
Dubois Municipal is a genuine high-and-hot field: from 7,299 ft of elevation, a typical July afternoon (79 °F) pushes density altitude to about 10,210 ft — the airplane performs like it is 2,911 ft above the field before the wheels roll.
Typical density altitude by month
| Month | Avg temp °F | DA at avg temp | Afternoon high °F | DA on a typical afternoon |
|---|---|---|---|---|
| January | 24.3 | 6,741 ft | 35.9 | 7,511 ft ▲ |
| February | 24.7 | 6,768 ft | 36.9 | 7,576 ft ▲ |
| March | 31.5 | 7,221 ft | 44.5 | 8,067 ft ⚠ |
| April | 37.3 | 7,602 ft | 50.5 | 8,448 ft ⚠ |
| May | 46.0 | 8,163 ft | 60.0 | 9,040 ft ⚠ |
| June | 54.5 | 8,699 ft | 70.2 | 9,662 ft ⚠ |
| July | 61.4 | 9,127 ft | 79.4 | 10,210 ft ⚠ |
| August | 60.0 | 9,040 ft | 78.1 | 10,133 ft ⚠ |
| September | 51.8 | 8,530 ft | 68.8 | 9,577 ft ⚠ |
| October | 41.0 | 7,842 ft | 55.7 | 8,774 ft ⚠ |
| November | 30.5 | 7,155 ft | 42.3 | 7,926 ft ▲ |
| December | 23.5 | 6,687 ft | 34.2 | 7,399 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 KDUB
DENSITY ALTITUDE high DA
Field elevation 7,299 ft — the air behaves like 10,186 ft.
- PRESSURE ALT
- 7,301 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 Wyoming fields
- KPNA — Ralph Wenz Field
Pinedale · elev 7,096 ft
- KJAC — Jackson Hole
Jackson · elev 6,451 ft
- KHSG — Hot Springs County
Thermopolis · elev 4,892 ft
- KLND — Hunt Field
Lander · elev 5,589 ft
- KBPI — Miley Meml Field
Big Piney · elev 6,994 ft
- KRIW — Central Wyoming Regional
Riverton · elev 5,516 ft
- 46U — Alpine
Alpine · elev 5,637 ft
- KCOD — Yellowstone Regional
Cody · elev 5,102 ft
Frequently asked questions
How high does density altitude get at KDUB in summer?
On a typical July afternoon — around 79 °F at the nearest NOAA normals station — density altitude at Dubois Municipal reaches roughly 10,210 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 KDUB on an average day?
It swings with the seasons: from roughly 6,687 ft at the coldest month's average temperature to about 9,127 ft at the warmest month's — all from a constant field elevation of 7,299 ft. The month-by-month table above carries the full year.
What is the field elevation of Dubois Municipal?
7,299 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KDUB (ICAO) / DUB (FAA), in Dubois, Wyoming.