Gunnison, Colorado · field elev 7,680 ft
Density Altitude at Gunnison-Crested Butte Regional (KGUC)
Gunnison-Crested Butte Regional is a genuine high-and-hot field: from 7,680 ft of elevation, a typical July afternoon (80 °F) pushes density altitude to about 10,699 ft — the airplane performs like it is 3,019 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 | 9.8 | 6,222 ft | 26.1 | 7,334 ft ▲ |
| February | 15.6 | 6,623 ft | 30.4 | 7,620 ft ▲ |
| March | 29.0 | 7,527 ft | 44.1 | 8,509 ft ⚠ |
| April | 39.3 | 8,201 ft | 56.0 | 9,258 ft ⚠ |
| May | 48.0 | 8,757 ft | 65.8 | 9,859 ft ⚠ |
| June | 56.3 | 9,277 ft | 76.2 | 10,482 ft ⚠ |
| July | 61.9 | 9,621 ft | 79.9 | 10,699 ft ⚠ |
| August | 59.8 | 9,493 ft | 77.0 | 10,529 ft ⚠ |
| September | 51.9 | 9,002 ft | 70.3 | 10,130 ft ⚠ |
| October | 40.7 | 8,291 ft | 59.8 | 9,493 ft ⚠ |
| November | 27.1 | 7,401 ft | 43.6 | 8,477 ft ⚠ |
| December | 12.8 | 6,431 ft | 28.5 | 7,494 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 KGUC
DENSITY ALTITUDE high DA
Field elevation 7,680 ft — the air behaves like 10,705 ft.
- PRESSURE ALT
- 7,682 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 Colorado fields
- 99V — Crawford
Crawford · elev 6,470 ft
- 7V2 — North Fork Valley
Paonia · elev 5,788 ft
- KASE — Aspen-Pitkin County/Sardy Field
Aspen · elev 7,838 ft
- KANK — Salida/Harriett Alexander Field
Salida · elev 7,523 ft
- KAEJ — Central Colorado Regional
Buena Vista · elev 7,950 ft
- C24 — Mineral County Meml
Creede · elev 8,680 ft
- 04V — Saguache Municipal
Saguache · elev 7,850 ft
- KMTJ — Montrose Regional
Montrose · elev 5,759 ft
Frequently asked questions
How high does density altitude get at KGUC in summer?
On a typical July afternoon — around 80 °F at the nearest NOAA normals station — density altitude at Gunnison-Crested Butte Regional reaches roughly 10,699 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 KGUC on an average day?
It swings with the seasons: from roughly 6,222 ft at the coldest month's average temperature to about 9,621 ft at the warmest month's — all from a constant field elevation of 7,680 ft. The month-by-month table above carries the full year.
What is the field elevation of Gunnison-Crested Butte Regional?
7,680 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KGUC (ICAO) / GUC (FAA), in Gunnison, Colorado.