Beach, North Dakota · field elev 2,756 ft
Density Altitude at Beach (20U)
From a field elevation of 2,756 ft, a typical August afternoon at Beach (85 °F) raises density altitude to about 5,037 ft — solidly into the range where performance charts deserve a close read.
Typical density altitude by month
| Month | Avg temp °F | DA at avg temp | Afternoon high °F | DA on a typical afternoon |
|---|---|---|---|---|
| January | 16.8 | 555 ft | 27.3 | 1,295 ft |
| February | 20.7 | 832 ft | 31.0 | 1,551 ft |
| March | 31.7 | 1,599 ft | 43.1 | 2,372 ft |
| April | 43.0 | 2,365 ft | 56.3 | 3,240 ft |
| May | 54.0 | 3,091 ft | 67.4 | 3,949 ft |
| June | 63.5 | 3,702 ft | 76.5 | 4,517 ft |
| July | 70.1 | 4,119 ft | 84.6 | 5,012 ft ▲ |
| August | 69.5 | 4,081 ft | 85.0 | 5,037 ft ▲ |
| September | 59.4 | 3,440 ft | 73.9 | 4,356 ft |
| October | 44.4 | 2,459 ft | 56.5 | 3,253 ft |
| November | 30.6 | 1,523 ft | 40.9 | 2,224 ft |
| December | 20.3 | 804 ft | 30.2 | 1,496 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 20U
DENSITY ALTITUDE caution
Field elevation 2,756 ft — the air behaves like 5,037 ft.
- PRESSURE ALT
- 2,758 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
- KDIK — Dickinson/Theodore Roosevelt Regional
Dickinson · elev 2,592 ft
- KBWW — Bowman Regional
Bowman · elev 2,965 ft
- 9Y1 — Dunn County Weydahl Field
Killdeer · elev 2,249 ft
- S25 — Watford City Municipal
Watford City · elev 2,135 ft
- 4E8 — Richardton
Richardton · elev 2,498 ft
- 3P3 — Mott Municipal
Mott · elev 2,414 ft
- KHEI — Hettinger/Jb Lindquist Regional
Hettinger · elev 2,706 ft
- KXWA — Williston Basin International
Williston · elev 2,356 ft
Frequently asked questions
How high does density altitude get at 20U in summer?
On a typical August afternoon — around 85 °F at the nearest NOAA normals station — density altitude at Beach reaches roughly 5,037 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 20U on an average day?
It swings with the seasons: from roughly 555 ft at the coldest month's average temperature to about 4,119 ft at the warmest month's — all from a constant field elevation of 2,756 ft. The month-by-month table above carries the full year.
What is the field elevation of Beach?
2,756 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 20U (FAA), in Beach, North Dakota.