Crewe, Virginia · field elev 422 ft
Density Altitude at Crewe Municipal (W81)
Crewe Municipal sits at 422 ft, and even a typical July afternoon (89 °F) only lifts density altitude to about 2,434 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 | 37.6 | −902 ft | 47.5 | −226 ft |
| February | 39.9 | −743 ft | 50.5 | −24 ft |
| March | 47.4 | −233 ft | 59.1 | 546 ft |
| April | 57.8 | 460 ft | 70.1 | 1,258 ft |
| May | 65.2 | 943 ft | 76.2 | 1,645 ft |
| June | 73.3 | 1,462 ft | 83.9 | 2,126 ft |
| July | 78.2 | 1,771 ft | 88.9 | 2,434 ft |
| August | 76.2 | 1,645 ft | 86.3 | 2,275 ft |
| September | 69.4 | 1,213 ft | 79.6 | 1,859 ft |
| October | 58.1 | 480 ft | 68.8 | 1,175 ft |
| November | 47.9 | −199 ft | 59.2 | 552 ft |
| December | 40.6 | −695 ft | 50.4 | −31 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 W81
DENSITY ALTITUDE
Field elevation 422 ft — the air behaves like 2,440 ft.
- PRESSURE ALT
- 423 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 Virginia fields
- KBKT — Allan C Perkinson/Blackstone Aaf
Blackstone · elev 437 ft
- W31 — Lunenburg County
Kenbridge · elev 526 ft
- KFVX — Farmville Regional
Farmville · elev 416 ft
- KPTB — Tri Cities Exec/Dinwiddie County
Petersburg · elev 193 ft
- KLVL — Brunswick County
Lawrenceville · elev 329 ft
- KAVC — Mecklenburg-Brunswick Regional
South Hill · elev 441 ft
- KCXE — Chase City Municipal
Chase City · elev 503 ft
- KFCI — Richmond Exec/Chesterfield County
Richmond · elev 236 ft
Frequently asked questions
How high does density altitude get at W81 in summer?
On a typical July afternoon — around 89 °F at the nearest NOAA normals station — density altitude at Crewe Municipal reaches roughly 2,434 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 W81 on an average day?
It swings with the seasons: from roughly −902 ft at the coldest month's average temperature to about 1,771 ft at the warmest month's — all from a constant field elevation of 422 ft. The month-by-month table above carries the full year.
What is the field elevation of Crewe Municipal?
422 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is W81 (FAA), in Crewe, Virginia.