Grand Forks, North Dakota · field elev 845 ft
Density Altitude at Grand Forks International (KGFK)
Grand Forks International sits at 845 ft, and even a typical July afternoon (81 °F) only lifts density altitude to about 2,444 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 | 6.3 | −2,619 ft | 15.8 | −1,918 ft |
| February | 10.6 | −2,299 ft | 20.5 | −1,578 ft |
| March | 24.4 | −1,299 ft | 33.9 | −631 ft |
| April | 40.7 | −162 ft | 52.0 | 600 ft |
| May | 54.1 | 739 ft | 66.9 | 1,573 ft |
| June | 64.6 | 1,425 ft | 76.4 | 2,176 ft |
| July | 68.9 | 1,701 ft | 80.7 | 2,444 ft |
| August | 67.0 | 1,579 ft | 79.8 | 2,388 ft |
| September | 57.9 | 989 ft | 70.4 | 1,796 ft |
| October | 43.2 | 8 ft | 53.9 | 726 ft |
| November | 26.7 | −1,136 ft | 35.7 | −506 ft |
| December | 12.8 | −2,138 ft | 21.4 | −1,514 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 KGFK
DENSITY ALTITUDE
Field elevation 845 ft — the air behaves like 2,463 ft.
- PRESSURE ALT
- 846 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 North Dakota fields
- 2L1 — Larimore Municipal
Larimore · elev 1,130 ft
- 4V4 — Northwood Municipal/Vince Field
Northwood · elev 1,119 ft
- D06 — Minto Municipal
Minto · elev 820 ft
- KGAF — Hutson Field
Grafton · elev 825 ft
- D56 — Mayville Municipal
Mayville · elev 977 ft
- 3H4 — Hillsboro Municipal
Hillsboro · elev 906 ft
- Y37 — Park River - W C Skjerven Field
Park River · elev 1,104 ft
- D29 — Drayton Municipal
Drayton · elev 798 ft
Frequently asked questions
How high does density altitude get at KGFK in summer?
On a typical July afternoon — around 81 °F at the nearest NOAA normals station — density altitude at Grand Forks International reaches roughly 2,444 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 KGFK on an average day?
It swings with the seasons: from roughly −2,619 ft at the coldest month's average temperature to about 1,701 ft at the warmest month's — all from a constant field elevation of 845 ft. The month-by-month table above carries the full year.
What is the field elevation of Grand Forks International?
845 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KGFK (ICAO) / GFK (FAA), in Grand Forks, North Dakota.