Idaho Falls, Idaho · field elev 4,744 ft
Density Altitude at Idaho Falls Regional (KIDA)
From a field elevation of 4,744 ft, a typical July afternoon at Idaho Falls Regional (87 °F) raises density altitude to about 7,544 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 | 20.4 | 3,296 ft | 28.7 | 3,867 ft |
| February | 24.9 | 3,607 ft | 34.2 | 4,239 ft |
| March | 36.2 | 4,373 ft | 47.2 | 5,098 ft ▲ |
| April | 44.4 | 4,915 ft | 57.5 | 5,759 ft ▲ |
| May | 52.8 | 5,460 ft | 67.2 | 6,368 ft ▲ |
| June | 60.4 | 5,943 ft | 76.2 | 6,920 ft ▲ |
| July | 68.0 | 6,417 ft | 86.6 | 7,544 ft ▲ |
| August | 66.5 | 6,324 ft | 85.6 | 7,485 ft ▲ |
| September | 57.7 | 5,772 ft | 74.8 | 6,835 ft ▲ |
| October | 45.0 | 4,954 ft | 59.1 | 5,861 ft ▲ |
| November | 32.4 | 4,118 ft | 43.0 | 4,823 ft |
| December | 21.9 | 3,400 ft | 30.3 | 3,976 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 KIDA
DENSITY ALTITUDE caution
Field elevation 4,744 ft — the air behaves like 7,568 ft.
- PRESSURE ALT
- 4,746 ft
- ISA DEVIATION
- —
- RULE-OF-THUMB DA
- —
- AIR DENSITY INDEX
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- 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
- U56 — Rigby
Rigby · elev 4,845 ft
- U02 — Mccarley Field
Blackfoot · elev 4,492 ft
- KRXE — Rexburg-Madison County
Rexburg · elev 4,862 ft
- 1U2 — Mud Lake/West Jefferson County
Mud Lake · elev 4,795 ft
- 2U4 — Rockford Municipal
Rockford · elev 4,465 ft
- U12 — Stanford Field
St Anthony · elev 4,966 ft
- U37 — Midway
Atomic City · elev 5,017 ft
- U41 — Dubois Municipal
Dubois · elev 5,123 ft
Frequently asked questions
How high does density altitude get at KIDA in summer?
On a typical July afternoon — around 87 °F at the nearest NOAA normals station — density altitude at Idaho Falls Regional reaches roughly 7,544 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 KIDA on an average day?
It swings with the seasons: from roughly 3,296 ft at the coldest month's average temperature to about 6,417 ft at the warmest month's — all from a constant field elevation of 4,744 ft. The month-by-month table above carries the full year.
What is the field elevation of Idaho Falls Regional?
4,744 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KIDA (ICAO) / IDA (FAA), in Idaho Falls, Idaho.