Walden, Colorado · field elev 8,154 ft
Density Altitude at Walden-Jackson County (33V)
Walden-Jackson County is a genuine high-and-hot field: from 8,154 ft of elevation, a typical July afternoon (76 °F) pushes density altitude to about 11,049 ft — the airplane performs like it is 2,895 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 | 14.3 | 7,124 ft | 26.7 | 7,961 ft ▲ |
| February | 17.0 | 7,309 ft | 29.6 | 8,152 ft ⚠ |
| March | 25.8 | 7,901 ft | 38.6 | 8,739 ft ⚠ |
| April | 33.7 | 8,421 ft | 47.4 | 9,300 ft ⚠ |
| May | 42.9 | 9,015 ft | 58.1 | 9,966 ft ⚠ |
| June | 51.7 | 9,570 ft | 68.8 | 10,615 ft ⚠ |
| July | 57.3 | 9,917 ft | 76.1 | 11,049 ft ⚠ |
| August | 55.2 | 9,787 ft | 74.1 | 10,931 ft ⚠ |
| September | 47.9 | 9,331 ft | 66.4 | 10,471 ft ⚠ |
| October | 36.8 | 8,623 ft | 52.9 | 9,644 ft ⚠ |
| November | 25.1 | 7,854 ft | 38.3 | 8,720 ft ⚠ |
| December | 15.4 | 7,199 ft | 27.7 | 8,027 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 33V
DENSITY ALTITUDE high DA
Field elevation 8,154 ft — the air behaves like 11,043 ft.
- PRESSURE ALT
- 8,156 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
- KSBS — Steamboat Springs/Bob Adams Field
Steamboat Springs · elev 6,882 ft
- 20V — Mc Elroy Airfield
Kremmling · elev 7,416 ft
- KGNB — Granby-Grand County
Granby · elev 8,207 ft
- KHDN — Yampa Valley
Hayden · elev 6,606 ft
- KCAG — Craig-Moffat
Craig · elev 6,198 ft
- KFNL — Northern Colorado Regional
Fort Collins/Loveland · elev 5,020 ft
- KLMO — Vance Brand
Longmont · elev 5,055 ft
- KBDU — Boulder Municipal
Boulder · elev 5,288 ft
Frequently asked questions
How high does density altitude get at 33V in summer?
On a typical July afternoon — around 76 °F at the nearest NOAA normals station — density altitude at Walden-Jackson County reaches roughly 11,049 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 33V on an average day?
It swings with the seasons: from roughly 7,124 ft at the coldest month's average temperature to about 9,917 ft at the warmest month's — all from a constant field elevation of 8,154 ft. The month-by-month table above carries the full year.
What is the field elevation of Walden-Jackson County?
8,154 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 33V (FAA), in Walden, Colorado.