St George, Utah · field elev 2,884 ft
Density Altitude at St George Regional (KSGU)
From a field elevation of 2,884 ft, a typical July afternoon at St George Regional (102 °F) raises density altitude to about 6,195 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 | 41.2 | 2,403 ft | 54.0 | 3,248 ft |
| February | 45.8 | 2,710 ft | 59.3 | 3,591 ft |
| March | 53.4 | 3,209 ft | 67.8 | 4,131 ft |
| April | 60.4 | 3,661 ft | 75.0 | 4,580 ft |
| May | 70.5 | 4,301 ft | 85.4 | 5,216 ft ▲ |
| June | 80.4 | 4,912 ft | 96.4 | 5,873 ft ▲ |
| July | 86.8 | 5,301 ft | 101.9 | 6,195 ft ▲ |
| August | 85.1 | 5,198 ft | 99.9 | 6,078 ft ▲ |
| September | 76.5 | 4,673 ft | 92.4 | 5,636 ft ▲ |
| October | 63.0 | 3,827 ft | 78.8 | 4,815 ft |
| November | 49.2 | 2,935 ft | 63.8 | 3,878 ft |
| December | 40.4 | 2,350 ft | 53.0 | 3,183 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 KSGU
DENSITY ALTITUDE caution
Field elevation 2,884 ft — the air behaves like 6,201 ft.
- PRESSURE ALT
- 2,886 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 Utah fields
- 1L8 — General Dick Stout Field
Hurricane · elev 3,351 ft
- KCDC — Cedar City Regional
Cedar City · elev 5,622 ft
- KKNB — Kanab Municipal
Kanab · elev 4,868 ft
- 1L9 — Parowan
Parowan · elev 5,927 ft
- U55 — Panguitch Municipal
Panguitch · elev 6,763 ft
- KBCE — Bryce Canyon
Bryce Canyon · elev 7,590 ft
- U52 — Beaver Municipal
Beaver · elev 5,863 ft
- KMLF — Milford Municipal/Ben And Judy Briscoe Field
Milford · elev 5,042 ft
Frequently asked questions
How high does density altitude get at KSGU in summer?
On a typical July afternoon — around 102 °F at the nearest NOAA normals station — density altitude at St George Regional reaches roughly 6,195 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 KSGU on an average day?
It swings with the seasons: from roughly 2,350 ft at the coldest month's average temperature to about 5,301 ft at the warmest month's — all from a constant field elevation of 2,884 ft. The month-by-month table above carries the full year.
What is the field elevation of St George Regional?
2,884 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KSGU (ICAO) / SGU (FAA), in St George, Utah.