Redmond, Oregon · field elev 3,082 ft
Density Altitude at Roberts Field/Redmond Municipal (KRDM)
From a field elevation of 3,082 ft, a typical July afternoon at Roberts Field/Redmond Municipal (88 °F) raises density altitude to about 5,583 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 | 34.8 | 2,217 ft | 44.2 | 2,849 ft |
| February | 36.6 | 2,339 ft | 48.0 | 3,100 ft |
| March | 41.3 | 2,655 ft | 54.9 | 3,551 ft |
| April | 45.5 | 2,935 ft | 60.2 | 3,892 ft |
| May | 53.4 | 3,453 ft | 69.1 | 4,455 ft |
| June | 60.0 | 3,879 ft | 77.2 | 4,958 ft |
| July | 68.0 | 4,386 ft | 87.5 | 5,583 ft ▲ |
| August | 66.8 | 4,311 ft | 86.5 | 5,523 ft ▲ |
| September | 59.6 | 3,853 ft | 78.6 | 5,043 ft ▲ |
| October | 48.6 | 3,140 ft | 64.5 | 4,165 ft |
| November | 39.1 | 2,508 ft | 50.8 | 3,284 ft |
| December | 32.8 | 2,080 ft | 42.3 | 2,722 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 KRDM
DENSITY ALTITUDE caution
Field elevation 3,082 ft — the air behaves like 5,613 ft.
- PRESSURE ALT
- 3,084 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 Oregon fields
- KBDN — Bend Municipal
Bend · elev 3,459 ft
- S39 — Prineville
Prineville · elev 3,251 ft
- 6K5 — Sisters Eagle Air
Sisters · elev 3,168 ft
- 5S5 — Lake Billy Chinook
Culver · elev 2,695 ft
- S33 — Madras Municipal
Madras · elev 2,438 ft
- S21 — Sunriver
Sunriver · elev 4,164 ft
- 8S3 — Santiam Junction State
Santiam Junction · elev 3,780 ft
- 00S — Mc Kenzie Bridge State
Mc Kenzie Bridge · elev 1,620 ft
Frequently asked questions
How high does density altitude get at KRDM in summer?
On a typical July afternoon — around 88 °F at the nearest NOAA normals station — density altitude at Roberts Field/Redmond Municipal reaches roughly 5,583 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 KRDM on an average day?
It swings with the seasons: from roughly 2,080 ft at the coldest month's average temperature to about 4,386 ft at the warmest month's — all from a constant field elevation of 3,082 ft. The month-by-month table above carries the full year.
What is the field elevation of Roberts Field/Redmond Municipal?
3,082 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KRDM (ICAO) / RDM (FAA), in Redmond, Oregon.