Ann Arbor, Michigan · field elev 839 ft
Density Altitude at Ann Arbor Municipal (KARB)
Ann Arbor Municipal sits at 839 ft, and even a typical July afternoon (84 °F) only lifts density altitude to about 2,629 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 | 23.5 | −1,371 ft | 31.8 | −785 ft |
| February | 25.3 | −1,243 ft | 34.6 | −590 ft |
| March | 35.3 | −541 ft | 45.4 | 150 ft |
| April | 47.0 | 258 ft | 58.7 | 1,034 ft |
| May | 57.8 | 975 ft | 70.1 | 1,770 ft |
| June | 66.4 | 1,533 ft | 79.2 | 2,344 ft |
| July | 70.5 | 1,795 ft | 83.8 | 2,629 ft |
| August | 69.2 | 1,713 ft | 81.4 | 2,480 ft |
| September | 61.3 | 1,204 ft | 74.2 | 2,030 ft |
| October | 49.9 | 452 ft | 61.5 | 1,217 ft |
| November | 38.7 | −307 ft | 47.9 | 318 ft |
| December | 28.9 | −988 ft | 36.4 | −465 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 KARB
DENSITY ALTITUDE
Field elevation 839 ft — the air behaves like 2,641 ft.
- PRESSURE ALT
- 840 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
- 43G — Belleville
Belleville · elev 695 ft
- KYIP — Willow Run
Detroit · elev 716 ft
- 75G — Rossettie
Manchester · elev 1,005 ft
- 22T — Tecumseh Mills
Tecumseh · elev 797 ft
- 7N4 — Raymond L Kussmaul Jr Meml
Clinton · elev 825 ft
- 3TE — Al Meyers
Tecumseh · elev 812 ft
- 1D2 — Canton-Plymouth-Mettetal
Plymouth · elev 696 ft
- 34G — Merillat
Tecumseh · elev 820 ft
Frequently asked questions
How high does density altitude get at KARB in summer?
On a typical July afternoon — around 84 °F at the nearest NOAA normals station — density altitude at Ann Arbor Municipal reaches roughly 2,629 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 KARB on an average day?
It swings with the seasons: from roughly −1,371 ft at the coldest month's average temperature to about 1,795 ft at the warmest month's — all from a constant field elevation of 839 ft. The month-by-month table above carries the full year.
What is the field elevation of Ann Arbor Municipal?
839 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KARB (ICAO) / ARB (FAA), in Ann Arbor, Michigan.