Payette, Idaho · field elev 2,230 ft
Density Altitude at Payette Municipal (S75)
Payette Municipal sits at 2,230 ft, and even a typical July afternoon (92 °F) only lifts density altitude to about 4,807 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 | 31.5 | 930 ft | 39.1 | 1,450 ft |
| February | 37.7 | 1,355 ft | 47.8 | 2,034 ft |
| March | 46.1 | 1,921 ft | 58.1 | 2,709 ft |
| April | 52.1 | 2,318 ft | 65.1 | 3,159 ft |
| May | 60.8 | 2,883 ft | 73.9 | 3,713 ft |
| June | 67.7 | 3,324 ft | 81.1 | 4,159 ft |
| July | 76.4 | 3,869 ft | 91.8 | 4,807 ft |
| August | 74.5 | 3,751 ft | 90.3 | 4,717 ft |
| September | 65.2 | 3,165 ft | 80.3 | 4,110 ft |
| October | 53.1 | 2,383 ft | 67.1 | 3,286 ft |
| November | 40.9 | 1,572 ft | 51.5 | 2,278 ft |
| December | 32.2 | 978 ft | 40.0 | 1,511 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 S75
DENSITY ALTITUDE
Field elevation 2,230 ft — the air behaves like 4,819 ft.
- PRESSURE ALT
- 2,231 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
- S87 — Weiser Municipal
Weiser · elev 2,120 ft
- 50S — Parma
Parma · elev 2,228 ft
- S78 — Emmett Municipal
Emmett · elev 2,354 ft
- 0U9 — Lee Williams Meml
Midvale · elev 2,617 ft
- S66 — Homedale Municipal
Homedale · elev 2,220 ft
- KEUL — Caldwell Exec
Caldwell · elev 2,431 ft
- KMAN — Nampa Municipal
Nampa · elev 2,537 ft
- U88 — Garden Valley
Garden Valley · elev 3,177 ft
Frequently asked questions
How high does density altitude get at S75 in summer?
On a typical July afternoon — around 92 °F at the nearest NOAA normals station — density altitude at Payette Municipal reaches roughly 4,807 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 S75 on an average day?
It swings with the seasons: from roughly 930 ft at the coldest month's average temperature to about 3,869 ft at the warmest month's — all from a constant field elevation of 2,230 ft. The month-by-month table above carries the full year.
What is the field elevation of Payette Municipal?
2,230 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is S75 (FAA), in Payette, Idaho.