Bloomington, Indiana · field elev 846 ft
Density Altitude at Monroe County (KBMG)
Monroe County sits at 846 ft, and even a typical July afternoon (85 °F) only lifts density altitude to about 2,711 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 | 30.3 | −881 ft | 38.7 | −298 ft |
| February | 33.8 | −637 ft | 42.9 | −11 ft |
| March | 43.3 | 16 ft | 53.6 | 707 ft |
| April | 54.3 | 753 ft | 65.6 | 1,490 ft |
| May | 63.8 | 1,374 ft | 74.4 | 2,051 ft |
| June | 72.0 | 1,899 ft | 82.3 | 2,545 ft |
| July | 74.7 | 2,070 ft | 85.0 | 2,711 ft |
| August | 73.3 | 1,982 ft | 84.4 | 2,675 ft |
| September | 66.5 | 1,548 ft | 78.3 | 2,296 ft |
| October | 55.3 | 819 ft | 66.8 | 1,568 ft |
| November | 43.7 | 43 ft | 53.3 | 687 ft |
| December | 34.4 | −595 ft | 42.2 | −59 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 KBMG
DENSITY ALTITUDE
Field elevation 846 ft — the air behaves like 2,711 ft.
- PRESSURE ALT
- 847 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 Indiana fields
- 1I3 — Shawnee Field
Bloomfield · elev 501 ft
- KBFR — Virgil I Grissom Municipal
Bedford · elev 727 ft
- 78I — Pam'S Place
Eminence · elev 791 ft
- 0I2 — Brazil Clay County/Charles B Hall Field
Brazil · elev 645 ft
- 7I4 — Orleans
Orleans · elev 655 ft
- KGPC — Putnam County Regional
Greencastle · elev 842 ft
- 3FK — Franklin Flying Field
Franklin · elev 740 ft
- KBAK — Columbus Municipal
Columbus · elev 656 ft
Frequently asked questions
How high does density altitude get at KBMG in summer?
On a typical July afternoon — around 85 °F at the nearest NOAA normals station — density altitude at Monroe County reaches roughly 2,711 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 KBMG on an average day?
It swings with the seasons: from roughly −881 ft at the coldest month's average temperature to about 2,070 ft at the warmest month's — all from a constant field elevation of 846 ft. The month-by-month table above carries the full year.
What is the field elevation of Monroe County?
846 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KBMG (ICAO) / BMG (FAA), in Bloomington, Indiana.