Sturgis, Michigan · field elev 925 ft
Density Altitude at Kirsch Municipal (KIRS)
Kirsch Municipal sits at 925 ft, and even a typical July afternoon (83 °F) only lifts density altitude to about 2,678 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 | 23.7 | −1,249 ft | 30.9 | −740 ft |
| February | 26.4 | −1,057 ft | 34.4 | −496 ft |
| March | 36.2 | −372 ft | 45.4 | 256 ft |
| April | 48.5 | 465 ft | 59.0 | 1,160 ft |
| May | 59.7 | 1,205 ft | 70.1 | 1,876 ft |
| June | 69.0 | 1,805 ft | 79.5 | 2,467 ft |
| July | 72.2 | 2,009 ft | 82.9 | 2,678 ft |
| August | 70.5 | 1,901 ft | 80.8 | 2,548 ft |
| September | 63.9 | 1,478 ft | 75.1 | 2,192 ft |
| October | 52.2 | 712 ft | 61.8 | 1,342 ft |
| November | 39.5 | −145 ft | 47.9 | 425 ft |
| December | 29.4 | −845 ft | 36.1 | −379 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 KIRS
DENSITY ALTITUDE
Field elevation 925 ft — the air behaves like 2,685 ft.
- PRESSURE ALT
- 926 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 Michigan fields
- KHAI — Three Rivers Municipal/Dr Haines
Three Rivers · elev 823 ft
- KOEB — Branch County Meml
Coldwater · elev 958 ft
- KAZO — Kalamazoo/Battle Creek International
Kalamazoo · elev 874 ft
- KBTL — Battle Creek Exec At Kellogg Field
Battle Creek · elev 952 ft
- 4N0 — Newmans
Kalamazoo · elev 840 ft
- 2C5 — Almena
Paw Paw · elev 748 ft
- C91 — Dowagiac Municipal
Dowagiac · elev 747 ft
- KRMY — Brooks Field
Marshall · elev 941 ft
Frequently asked questions
How high does density altitude get at KIRS in summer?
On a typical July afternoon — around 83 °F at the nearest NOAA normals station — density altitude at Kirsch Municipal reaches roughly 2,678 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 KIRS on an average day?
It swings with the seasons: from roughly −1,249 ft at the coldest month's average temperature to about 2,009 ft at the warmest month's — all from a constant field elevation of 925 ft. The month-by-month table above carries the full year.
What is the field elevation of Kirsch Municipal?
925 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KIRS (ICAO) / IRS (FAA), in Sturgis, Michigan.