Beaver Island, Michigan · field elev 664 ft
Density Altitude at Welke (6Y8)
Welke sits at 664 ft, and even a typical July afternoon (76 °F) only lifts density altitude to about 1,935 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 | 21.0 | −1,770 ft | 26.7 | −1,363 ft |
| February | 21.3 | −1,748 ft | 28.3 | −1,249 ft |
| March | 29.2 | −1,186 ft | 37.2 | −628 ft |
| April | 40.2 | −422 ft | 49.2 | 188 ft |
| May | 52.3 | 396 ft | 62.6 | 1,073 ft |
| June | 61.9 | 1,027 ft | 71.7 | 1,657 ft |
| July | 67.2 | 1,370 ft | 76.1 | 1,935 ft |
| August | 66.9 | 1,350 ft | 75.0 | 1,866 ft |
| September | 60.0 | 903 ft | 67.6 | 1,395 ft |
| October | 48.4 | 135 ft | 54.9 | 568 ft |
| November | 37.5 | −607 ft | 43.1 | −224 ft |
| December | 27.9 | −1,278 ft | 32.9 | −926 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 6Y8
DENSITY ALTITUDE
Field elevation 664 ft — the air behaves like 1,929 ft.
- PRESSURE ALT
- 665 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
- KSJX — Beaver Island
Beaver Island · elev 670 ft
- 6Y3 — North Fox Island
North Fox Island · elev 639 ft
- KCVX — Charlevoix Municipal
Charlevoix · elev 669 ft
- KMGN — Harbor Springs
Harbor Springs · elev 686 ft
- KISQ — Schoolcraft County
Manistique · elev 684 ft
- KPLN — Pellston Regional/Emmet County
Pellston · elev 721 ft
- 5D5 — Woolsey Meml
Northport · elev 628 ft
- 83D — Mackinac County
St Ignace · elev 624 ft
Frequently asked questions
How high does density altitude get at 6Y8 in summer?
On a typical July afternoon — around 76 °F at the nearest NOAA normals station — density altitude at Welke reaches roughly 1,935 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 6Y8 on an average day?
It swings with the seasons: from roughly −1,770 ft at the coldest month's average temperature to about 1,370 ft at the warmest month's — all from a constant field elevation of 664 ft. The month-by-month table above carries the full year.
What is the field elevation of Welke?
664 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 6Y8 (FAA), in Beaver Island, Michigan.