Santa Rosa, New Mexico · field elev 4,791 ft
Density Altitude at Santa Rosa Route 66 (KSXU)
From a field elevation of 4,791 ft, a typical July afternoon at Santa Rosa Route 66 (93 °F) raises density altitude to about 7,977 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 | 40.2 | 4,697 ft | 55.7 | 5,703 ft ▲ |
| February | 43.2 | 4,895 ft | 59.7 | 5,956 ft ▲ |
| March | 50.4 | 5,363 ft | 68.0 | 6,475 ft ▲ |
| April | 57.5 | 5,817 ft | 75.1 | 6,910 ft ▲ |
| May | 65.7 | 6,332 ft | 83.1 | 7,393 ft ▲ |
| June | 75.0 | 6,904 ft | 92.2 | 7,931 ft ▲ |
| July | 77.2 | 7,038 ft | 93.0 | 7,977 ft ▲ |
| August | 75.7 | 6,947 ft | 91.3 | 7,878 ft ▲ |
| September | 69.1 | 6,543 ft | 85.4 | 7,530 ft ▲ |
| October | 58.7 | 5,893 ft | 76.0 | 6,965 ft ▲ |
| November | 47.6 | 5,182 ft | 64.5 | 6,257 ft ▲ |
| December | 39.9 | 4,677 ft | 54.7 | 5,639 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 KSXU
DENSITY ALTITUDE caution
Field elevation 4,791 ft — the air behaves like 7,977 ft.
- PRESSURE ALT
- 4,793 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 New Mexico fields
- N17 — Vaughn Municipal
Vaughn · elev 5,936 ft
- KFSU — Fort Sumner Municipal
Fort Sumner · elev 4,165 ft
- E89 — Conchas Lake
Conchas Dam · elev 4,232 ft
- KLVS — Las Vegas Municipal
Las Vegas · elev 6,877 ft
- KTCC — Tucumcari Municipal
Tucumcari · elev 4,065 ft
- 0E0 — Moriarty Municipal
Moriarty · elev 6,204 ft
- E92 — Estancia Municipal
Estancia · elev 6,100 ft
- 1N1 — Sandia Airpark Estates East
Edgewood · elev 6,565 ft
Frequently asked questions
How high does density altitude get at KSXU in summer?
On a typical July afternoon — around 93 °F at the nearest NOAA normals station — density altitude at Santa Rosa Route 66 reaches roughly 7,977 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 KSXU on an average day?
It swings with the seasons: from roughly 4,677 ft at the coldest month's average temperature to about 7,038 ft at the warmest month's — all from a constant field elevation of 4,791 ft. The month-by-month table above carries the full year.
What is the field elevation of Santa Rosa Route 66?
4,791 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KSXU (ICAO) / SXU (FAA), in Santa Rosa, New Mexico.