Oconto, Wisconsin · field elev 604 ft
Density Altitude at Oconto/J Douglas Bake Municipal (KOCQ)
Oconto/J Douglas Bake Municipal sits at 604 ft, and even a typical July afternoon (81 °F) only lifts density altitude to about 2,137 ft — heat still trims performance, but the field rarely turns high-and-hot.
Typical density altitude by month
| Month | Avg temp °F | DA at avg temp | Afternoon high °F | DA on a typical afternoon |
|---|---|---|---|---|
| January | 17.5 | −2,098 ft | 26.0 | −1,487 ft |
| February | 19.9 | −1,924 ft | 29.5 | −1,240 ft |
| March | 30.5 | −1,170 ft | 40.4 | −483 ft |
| April | 42.7 | −325 ft | 53.1 | 374 ft |
| May | 55.2 | 514 ft | 66.2 | 1,231 ft |
| June | 65.3 | 1,173 ft | 76.0 | 1,856 ft |
| July | 69.5 | 1,443 ft | 80.5 | 2,137 ft |
| August | 67.9 | 1,341 ft | 79.0 | 2,044 ft |
| September | 60.1 | 836 ft | 71.7 | 1,583 ft |
| October | 47.9 | 27 ft | 58.3 | 718 ft |
| November | 35.5 | −820 ft | 43.9 | −244 ft |
| December | 23.6 | −1,659 ft | 31.3 | −1,113 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 KOCQ
DENSITY ALTITUDE
Field elevation 604 ft — the air behaves like 2,169 ft.
- PRESSURE ALT
- 605 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
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Frequently asked questions
How high does density altitude get at KOCQ in summer?
On a typical July afternoon — around 81 °F at the nearest NOAA normals station — density altitude at Oconto/J Douglas Bake Municipal reaches roughly 2,137 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 KOCQ on an average day?
It swings with the seasons: from roughly −2,098 ft at the coldest month's average temperature to about 1,443 ft at the warmest month's — all from a constant field elevation of 604 ft. The month-by-month table above carries the full year.
What is the field elevation of Oconto/J Douglas Bake Municipal?
604 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KOCQ (ICAO) / OCQ (FAA), in Oconto, Wisconsin.