Kankakee, Illinois · field elev 625 ft
Density Altitude at Kankakee (3KK)
Kankakee sits at 625 ft, and even a typical July afternoon (85 °F) only lifts density altitude to about 2,430 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 | 24.4 | −1,575 ft | 32.5 | −1,003 ft |
| February | 28.2 | −1,305 ft | 36.8 | −704 ft |
| March | 39.0 | −553 ft | 48.6 | 100 ft |
| April | 50.3 | 214 ft | 61.2 | 933 ft |
| May | 61.8 | 972 ft | 72.5 | 1,660 ft |
| June | 71.5 | 1,597 ft | 81.9 | 2,250 ft |
| July | 74.8 | 1,806 ft | 84.8 | 2,430 ft |
| August | 73.1 | 1,698 ft | 83.2 | 2,331 ft |
| September | 66.5 | 1,277 ft | 77.9 | 2,001 ft |
| October | 54.1 | 467 ft | 65.1 | 1,186 ft |
| November | 41.0 | −415 ft | 49.9 | 187 ft |
| December | 30.0 | −1,178 ft | 37.8 | −635 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 3KK
DENSITY ALTITUDE
Field elevation 625 ft — the air behaves like 2,442 ft.
- PRESSURE ALT
- 626 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
- KIKK — Greater Kankakee
Kankakee · elev 630 ft
- C56 — Bult Field
Monee · elev 790 ft
- KDTG — Dwight
Dwight · elev 632 ft
- KJOT — Joliet Regional
Joliet · elev 582 ft
- C09 — Morris Municipal/James R Washburn Field
Morris · elev 585 ft
- KIGQ — Lansing Municipal
Chicago · elev 620 ft
- KLOT — Lewis University
Chicago/Romeoville · elev 679 ft
- KPNT — Pontiac Municipal
Pontiac · elev 666 ft
Frequently asked questions
How high does density altitude get at 3KK in summer?
On a typical July afternoon — around 85 °F at the nearest NOAA normals station — density altitude at Kankakee reaches roughly 2,430 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 3KK on an average day?
It swings with the seasons: from roughly −1,575 ft at the coldest month's average temperature to about 1,806 ft at the warmest month's — all from a constant field elevation of 625 ft. The month-by-month table above carries the full year.
What is the field elevation of Kankakee?
625 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 3KK (FAA), in Kankakee, Illinois.