Houston, Texas · field elev 81 ft
Density Altitude at Sugar Land Regional (KSGR)
Sugar Land Regional sits at 81 ft, and even a typical July afternoon (95 °F) only lifts density altitude to about 2,391 ft — heat still trims performance, but the field rarely turns high-and-hot.
Typical density altitude by month
| Month | Avg temp °F | DA at avg temp | Afternoon high °F | DA on a typical afternoon |
|---|---|---|---|---|
| January | 54.8 | −160 ft | 64.3 | 465 ft |
| February | 58.8 | 105 ft | 68.1 | 711 ft |
| March | 64.7 | 491 ft | 74.1 | 1,094 ft |
| April | 70.3 | 852 ft | 80.1 | 1,473 ft |
| May | 77.9 | 1,335 ft | 87.1 | 1,908 ft |
| June | 83.2 | 1,666 ft | 92.3 | 2,227 ft |
| July | 85.4 | 1,803 ft | 95.0 | 2,391 ft |
| August | 85.0 | 1,778 ft | 94.2 | 2,342 ft |
| September | 80.6 | 1,504 ft | 89.7 | 2,068 ft |
| October | 72.7 | 1,005 ft | 83.3 | 1,673 ft |
| November | 63.1 | 387 ft | 73.6 | 1,063 ft |
| December | 56.5 | −47 ft | 66.5 | 607 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 KSGR
DENSITY ALTITUDE
Field elevation 81 ft — the air behaves like 2,391 ft.
- PRESSURE ALT
- 82 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 Texas fields
- T54 — Lane Airpark
Rosenberg · elev 94 ft
- X09 — Covey Trails
Fulshear · elev 130 ft
- KAXH — Houston/Southwest
Houston · elev 69 ft
- KIWS — West Houston
Houston · elev 111 ft
- 2H5 — Houston Fort Bend
Houston · elev 105 ft
- KTME — Houston Exec
Houston · elev 166 ft
- T79 — Skyway Manor
Pearland · elev 55 ft
- 3T2 — Wolfe Air Park
Manvel · elev 55 ft
Frequently asked questions
How high does density altitude get at KSGR in summer?
On a typical July afternoon — around 95 °F at the nearest NOAA normals station — density altitude at Sugar Land Regional reaches roughly 2,391 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 KSGR on an average day?
It swings with the seasons: from roughly −160 ft at the coldest month's average temperature to about 1,803 ft at the warmest month's — all from a constant field elevation of 81 ft. The month-by-month table above carries the full year.
What is the field elevation of Sugar Land Regional?
81 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KSGR (ICAO) / SGR (FAA), in Houston, Texas.