Grand Haven, Michigan · field elev 604 ft
Density Altitude at Grand Haven Meml Airpark (3GM)
Grand Haven Meml Airpark sits at 604 ft, and even a typical July afternoon (80 °F) only lifts density altitude to about 2,106 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 | 25.5 | −1,523 ft | 31.7 | −1,085 ft |
| February | 26.4 | −1,459 ft | 33.2 | −980 ft |
| March | 34.0 | −925 ft | 42.4 | −346 ft |
| April | 45.3 | −149 ft | 54.7 | 481 ft |
| May | 57.0 | 632 ft | 67.1 | 1,289 ft |
| June | 66.7 | 1,264 ft | 76.4 | 1,881 ft |
| July | 71.0 | 1,539 ft | 80.0 | 2,106 ft |
| August | 69.4 | 1,437 ft | 78.9 | 2,038 ft |
| September | 62.7 | 1,005 ft | 72.9 | 1,660 ft |
| October | 51.3 | 255 ft | 60.0 | 829 ft |
| November | 39.8 | −524 ft | 46.7 | −54 ft |
| December | 30.9 | −1,141 ft | 36.5 | −751 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 3GM
DENSITY ALTITUDE
Field elevation 604 ft — the air behaves like 2,106 ft.
- PRESSURE ALT
- 605 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
- 39Z — Flying-A-Ranch
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Nunica · elev 625 ft
- 73G — Cherry Field
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- KMKG — Muskegon County
Muskegon · elev 628 ft
- Z98 — Ottawa Exec
Zeeland · elev 756 ft
- KBIV — West Michigan Regional
Holland · elev 698 ft
- 08C — Riverview
Jenison · elev 603 ft
- 8D4 — Paul C Miller/Sparta
Sparta · elev 775 ft
Frequently asked questions
How high does density altitude get at 3GM in summer?
On a typical July afternoon — around 80 °F at the nearest NOAA normals station — density altitude at Grand Haven Meml Airpark reaches roughly 2,106 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 3GM on an average day?
It swings with the seasons: from roughly −1,523 ft at the coldest month's average temperature to about 1,539 ft at the warmest month's — all from a constant field elevation of 604 ft. The month-by-month table above carries the full year.
What is the field elevation of Grand Haven Meml Airpark?
604 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 3GM (FAA), in Grand Haven, Michigan.