Hinckley, Illinois · field elev 760 ft
Density Altitude at Hinckley (0C2)
Hinckley sits at 760 ft, and even a typical July afternoon (82 °F) only lifts density altitude to about 2,390 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 | 20.9 | −1,656 ft | 28.3 | −1,129 ft |
| February | 24.7 | −1,384 ft | 32.4 | −842 ft |
| March | 36.3 | −571 ft | 45.5 | 58 ft |
| April | 47.7 | 207 ft | 59.0 | 956 ft |
| May | 59.1 | 963 ft | 70.4 | 1,692 ft |
| June | 68.7 | 1,584 ft | 79.5 | 2,266 ft |
| July | 71.0 | 1,730 ft | 81.5 | 2,390 ft |
| August | 68.8 | 1,590 ft | 79.5 | 2,266 ft |
| September | 62.3 | 1,171 ft | 74.4 | 1,946 ft |
| October | 50.4 | 388 ft | 61.8 | 1,139 ft |
| November | 37.4 | −495 ft | 46.3 | 112 ft |
| December | 26.2 | −1,278 ft | 33.4 | −772 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 0C2
DENSITY ALTITUDE
Field elevation 760 ft — the air behaves like 2,421 ft.
- PRESSURE ALT
- 761 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 Illinois fields
- KDKB — De Kalb Taylor Municipal
De Kalb · elev 913 ft
- KARR — Aurora Municipal
Chicago/Aurora · elev 712 ft
- 0C8 — Cushing Field Ltd
Newark · elev 640 ft
- C82 — Bresson
Compton · elev 769 ft
- KRPJ — Rochelle Municipal/Koritz Field
Rochelle · elev 781 ft
- KDPA — Dupage
Chicago/West Chicago · elev 759 ft
- 8N2 — Skydive Chicago
Ottawa · elev 616 ft
- C09 — Morris Municipal/James R Washburn Field
Morris · elev 585 ft
Frequently asked questions
How high does density altitude get at 0C2 in summer?
On a typical July afternoon — around 82 °F at the nearest NOAA normals station — density altitude at Hinckley reaches roughly 2,390 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 0C2 on an average day?
It swings with the seasons: from roughly −1,656 ft at the coldest month's average temperature to about 1,730 ft at the warmest month's — all from a constant field elevation of 760 ft. The month-by-month table above carries the full year.
What is the field elevation of Hinckley?
760 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 0C2 (FAA), in Hinckley, Illinois.