Greenville, Michigan · field elev 855 ft
Density Altitude at Greenville Municipal (6D6)
Greenville Municipal sits at 855 ft, and even a typical July afternoon (84 °F) only lifts density altitude to about 2,679 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 | 22.0 | −1,458 ft | 31.2 | −807 ft |
| February | 23.8 | −1,329 ft | 34.2 | −598 ft |
| March | 33.5 | −646 ft | 45.5 | 176 ft |
| April | 45.7 | 190 ft | 59.3 | 1,093 ft |
| May | 57.4 | 969 ft | 71.1 | 1,853 ft |
| June | 66.5 | 1,559 ft | 80.4 | 2,438 ft |
| July | 70.3 | 1,802 ft | 84.3 | 2,679 ft |
| August | 68.5 | 1,688 ft | 82.1 | 2,543 ft |
| September | 61.3 | 1,223 ft | 75.2 | 2,113 ft |
| October | 49.6 | 452 ft | 62.1 | 1,275 ft |
| November | 37.6 | −362 ft | 47.8 | 331 ft |
| December | 27.3 | −1,081 ft | 36.0 | −473 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 6D6
DENSITY ALTITUDE
Field elevation 855 ft — the air behaves like 2,661 ft.
- PRESSURE ALT
- 856 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
- 56C — Boulder Canyon
Belding · elev 823 ft
- 35C — Wells
Rockford · elev 890 ft
- 24C — Lowell City
Lowell · elev 681 ft
- Y70 — Ionia County
Ionia · elev 818 ft
- 13C — Lakeview/Griffith Field
Lakeview · elev 969 ft
- 8D4 — Paul C Miller/Sparta
Sparta · elev 775 ft
- KGRR — Gerald R Ford International
Grand Rapids · elev 794 ft
- 24M — Wilderness Airpark
Kent City · elev 785 ft
Frequently asked questions
How high does density altitude get at 6D6 in summer?
On a typical July afternoon — around 84 °F at the nearest NOAA normals station — density altitude at Greenville Municipal reaches roughly 2,679 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 6D6 on an average day?
It swings with the seasons: from roughly −1,458 ft at the coldest month's average temperature to about 1,802 ft at the warmest month's — all from a constant field elevation of 855 ft. The month-by-month table above carries the full year.
What is the field elevation of Greenville Municipal?
855 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 6D6 (FAA), in Greenville, Michigan.