Klamath Falls, Oregon · field elev 4,095 ft
Density Altitude at Crater Lake/Klamath Regional (KLMT)
From a field elevation of 4,095 ft, a typical July afternoon at Crater Lake/Klamath Regional (86 °F) raises density altitude to about 6,740 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 | 31.5 | 3,251 ft | 41.5 | 3,922 ft |
| February | 34.9 | 3,481 ft | 46.3 | 4,239 ft |
| March | 39.4 | 3,783 ft | 52.3 | 4,629 ft |
| April | 43.5 | 4,055 ft | 57.8 | 4,982 ft |
| May | 51.7 | 4,591 ft | 67.2 | 5,575 ft ▲ |
| June | 58.8 | 5,046 ft | 76.2 | 6,130 ft ▲ |
| July | 67.1 | 5,569 ft | 86.3 | 6,740 ft ▲ |
| August | 65.6 | 5,475 ft | 84.8 | 6,650 ft ▲ |
| September | 58.2 | 5,008 ft | 77.5 | 6,210 ft ▲ |
| October | 47.4 | 4,311 ft | 64.2 | 5,387 ft ▲ |
| November | 37.0 | 3,622 ft | 49.1 | 4,422 ft |
| December | 30.4 | 3,176 ft | 40.3 | 3,843 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 KLMT
DENSITY ALTITUDE caution
Field elevation 4,095 ft — the air behaves like 6,722 ft.
- PRESSURE ALT
- 4,097 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
- 4S7 — Malin
Malin · elev 4,053 ft
- 2S7 — Chiloquin State
Chiloquin · elev 4,221 ft
- 24S — Pinehurst State
Pinehurst · elev 3,643 ft
- S03 — Ashland Municipal/Sumner Parker Field
Ashland · elev 1,889 ft
- 64S — Prospect State
Prospect · elev 2,578 ft
- KMFR — Rogue Valley International/Medford
Medford · elev 1,335 ft
- 2S2 — Beaver Marsh
Beaver Marsh · elev 4,638 ft
- KLKV — Lake County
Lakeview · elev 4,734 ft
Frequently asked questions
How high does density altitude get at KLMT in summer?
On a typical July afternoon — around 86 °F at the nearest NOAA normals station — density altitude at Crater Lake/Klamath Regional reaches roughly 6,740 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 KLMT on an average day?
It swings with the seasons: from roughly 3,176 ft at the coldest month's average temperature to about 5,569 ft at the warmest month's — all from a constant field elevation of 4,095 ft. The month-by-month table above carries the full year.
What is the field elevation of Crater Lake/Klamath Regional?
4,095 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KLMT (ICAO) / LMT (FAA), in Klamath Falls, Oregon.