Houston, Texas · field elev 245 ft
Density Altitude at Conroe/North Houston Regional (KCXO)
Conroe/North Houston Regional sits at 245 ft, and even a typical August afternoon (95 °F) only lifts density altitude to about 2,560 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 | 50.8 | −223 ft | 62.3 | 537 ft |
| February | 54.5 | 23 ft | 66.0 | 777 ft |
| March | 61.0 | 452 ft | 73.1 | 1,232 ft |
| April | 67.0 | 841 ft | 78.8 | 1,592 ft |
| May | 74.8 | 1,340 ft | 85.9 | 2,034 ft |
| June | 80.6 | 1,705 ft | 91.3 | 2,365 ft |
| July | 82.9 | 1,848 ft | 93.6 | 2,505 ft |
| August | 83.1 | 1,861 ft | 94.5 | 2,560 ft |
| September | 78.0 | 1,542 ft | 89.6 | 2,261 ft |
| October | 68.9 | 964 ft | 81.6 | 1,767 ft |
| November | 58.7 | 301 ft | 70.7 | 1,079 ft |
| December | 52.3 | −123 ft | 63.7 | 628 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 KCXO
DENSITY ALTITUDE
Field elevation 245 ft — the air behaves like 2,590 ft.
- PRESSURE ALT
- 246 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
- KDWH — David Wayne Hooks Meml
Houston · elev 152 ft
- 6R3 — Cleveland Municipal
Cleveland · elev 150 ft
- KIAH — George Bush Intcntl/Houston
Houston · elev 96 ft
- T51 — Dan Jones International
Houston · elev 166 ft
- KUTS — Huntsville Municipal
Huntsville · elev 363 ft
- 00R — Livingston Municipal
Livingston · elev 151 ft
- KIWS — West Houston
Houston · elev 111 ft
- 60R — Navasota Municipal
Navasota · elev 229 ft
Frequently asked questions
How high does density altitude get at KCXO in summer?
On a typical August afternoon — around 95 °F at the nearest NOAA normals station — density altitude at Conroe/North Houston Regional reaches roughly 2,560 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 KCXO on an average day?
It swings with the seasons: from roughly −223 ft at the coldest month's average temperature to about 1,861 ft at the warmest month's — all from a constant field elevation of 245 ft. The month-by-month table above carries the full year.
What is the field elevation of Conroe/North Houston Regional?
245 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KCXO (ICAO) / CXO (FAA), in Houston, Texas.