Grand Rapids, Minnesota · field elev 1,356 ft
Density Altitude at Grand Rapids/Itasca County-Gordon Newstrom Field (KGPZ)
Grand Rapids/Itasca County-Gordon Newstrom Field sits at 1,356 ft, and even a typical July afternoon (80 °F) only lifts density altitude to about 3,006 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 | 8.7 | −1,795 ft | 18.9 | −1,052 ft |
| February | 13.9 | −1,413 ft | 25.7 | −567 ft |
| March | 27.1 | −468 ft | 38.8 | 344 ft |
| April | 40.3 | 446 ft | 52.6 | 1,271 ft |
| May | 53.2 | 1,311 ft | 66.1 | 2,149 ft |
| June | 62.9 | 1,944 ft | 75.2 | 2,726 ft |
| July | 67.6 | 2,245 ft | 79.7 | 3,006 ft |
| August | 65.5 | 2,111 ft | 77.8 | 2,888 ft |
| September | 56.4 | 1,521 ft | 68.1 | 2,277 ft |
| October | 43.1 | 636 ft | 52.8 | 1,284 ft |
| November | 28.1 | −398 ft | 36.1 | 158 ft |
| December | 14.8 | −1,348 ft | 23.1 | −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 KGPZ
DENSITY ALTITUDE
Field elevation 1,356 ft — the air behaves like 3,025 ft.
- PRESSURE ALT
- 1,357 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 Minnesota fields
- 07Y — Hill City/Quadna Mountain
Hill City · elev 1,289 ft
- 52Y — Remer Municipal
Remer · elev 1,350 ft
- 9Y0 — Bowstring
Bowstring · elev 1,372 ft
- KHIB — Range Regional
Hibbing · elev 1,354 ft
- KXVG — Longville Municipal
Longville · elev 1,337 ft
- KFOZ — Bigfork Municipal
Bigfork · elev 1,351 ft
- KHZX — Isedor Iverson
Mc Gregor · elev 1,228 ft
- KAIT — Aitkin Municipal/Steve Kurtz Field
Aitkin · elev 1,206 ft
Frequently asked questions
How high does density altitude get at KGPZ in summer?
On a typical July afternoon — around 80 °F at the nearest NOAA normals station — density altitude at Grand Rapids/Itasca County-Gordon Newstrom Field reaches roughly 3,006 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 KGPZ on an average day?
It swings with the seasons: from roughly −1,795 ft at the coldest month's average temperature to about 2,245 ft at the warmest month's — all from a constant field elevation of 1,356 ft. The month-by-month table above carries the full year.
What is the field elevation of Grand Rapids/Itasca County-Gordon Newstrom Field?
1,356 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KGPZ (ICAO) / GPZ (FAA), in Grand Rapids, Minnesota.