May, Idaho · field elev 5,324 ft
Density Altitude at May (0U8)
May is a genuine high-and-hot field: from 5,324 ft of elevation, a typical July afternoon (87 °F) pushes density altitude to about 8,258 ft — the airplane performs like it is 2,934 ft above the field before the wheels roll.
Typical density altitude by month
| Month | Avg temp °F | DA at avg temp | Afternoon high °F | DA on a typical afternoon |
|---|---|---|---|---|
| January | 19.0 | 3,922 ft | 32.1 | 4,817 ft |
| February | 26.0 | 4,404 ft | 39.2 | 5,289 ft ▲ |
| March | 34.8 | 4,998 ft | 50.5 | 6,025 ft ▲ |
| April | 41.8 | 5,460 ft | 58.4 | 6,527 ft ▲ |
| May | 50.8 | 6,044 ft | 67.5 | 7,094 ft ▲ |
| June | 58.2 | 6,515 ft | 75.9 | 7,607 ft ▲ |
| July | 66.1 | 7,008 ft | 86.8 | 8,258 ft ⚠ |
| August | 63.9 | 6,871 ft | 85.4 | 8,175 ft ⚠ |
| September | 55.5 | 6,344 ft | 75.7 | 7,595 ft ▲ |
| October | 42.7 | 5,519 ft | 60.3 | 6,647 ft ▲ |
| November | 30.0 | 4,675 ft | 43.6 | 5,578 ft ▲ |
| December | 20.5 | 4,026 ft | 31.9 | 4,803 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 0U8
DENSITY ALTITUDE high DA
Field elevation 5,324 ft — the air behaves like 8,269 ft.
- PRESSURE ALT
- 5,326 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 Idaho fields
- KLLJ — Challis
Challis · elev 5,076 ft
- U00 — Leadore
Leadore · elev 6,029 ft
- KSMN — Lemhi County
Salmon · elev 4,044 ft
- 4D2 — Hoodoo Meadows
Salmon · elev 8,262 ft
- U72 — Upper Loon Creek Usfs
Challis · elev 5,500 ft
- C53 — Lower Loon Creek
Challis · elev 4,200 ft
- U61 — Twin Bridges
Ketchum · elev 6,900 ft
- U54 — Bernard Usfs
Bernard · elev 3,626 ft
Frequently asked questions
How high does density altitude get at 0U8 in summer?
On a typical July afternoon — around 87 °F at the nearest NOAA normals station — density altitude at May reaches roughly 8,258 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 0U8 on an average day?
It swings with the seasons: from roughly 3,922 ft at the coldest month's average temperature to about 7,008 ft at the warmest month's — all from a constant field elevation of 5,324 ft. The month-by-month table above carries the full year.
What is the field elevation of May?
5,324 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 0U8 (FAA), in May, Idaho.