Suffolk, Virginia · field elev 70 ft
Density Altitude at Suffolk Exec (KSFQ)
Suffolk Exec sits at 70 ft, and even a typical July afternoon (87 °F) only lifts density altitude to about 1,876 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 | 40.2 | −1,161 ft | 49.3 | −541 ft |
| February | 42.7 | −989 ft | 52.4 | −333 ft |
| March | 49.1 | −555 ft | 59.4 | 131 ft |
| April | 58.6 | 78 ft | 69.2 | 768 ft |
| May | 66.4 | 587 ft | 76.1 | 1,208 ft |
| June | 74.2 | 1,087 ft | 83.4 | 1,665 ft |
| July | 78.3 | 1,346 ft | 86.8 | 1,876 ft |
| August | 76.8 | 1,252 ft | 85.1 | 1,771 ft |
| September | 71.3 | 903 ft | 79.6 | 1,428 ft |
| October | 61.0 | 236 ft | 70.5 | 851 ft |
| November | 50.6 | −454 ft | 60.5 | 203 ft |
| December | 43.7 | −921 ft | 52.7 | −313 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 KSFQ
DENSITY ALTITUDE
Field elevation 70 ft — the air behaves like 1,888 ft.
- PRESSURE ALT
- 71 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
- KPVG — Hampton Roads Exec
Norfolk · elev 28 ft
- KCPK — Chesapeake Regional
Norfolk · elev 19 ft
- KFKN — Franklin Regional
Franklin · elev 40 ft
- KORF — Norfolk International
Norfolk · elev 26 ft
- KAKQ — Wakefield Municipal
Wakefield · elev 111 ft
- KPHF — Newport News/Williamsburg International
Newport News · elev 42 ft
- KJGG — Waltrip Williamsburg Exec Airport
Williamsburg · elev 49 ft
- KEMV — Emporia-Greensville Regional
Emporia · elev 127 ft
Frequently asked questions
How high does density altitude get at KSFQ in summer?
On a typical July afternoon — around 87 °F at the nearest NOAA normals station — density altitude at Suffolk Exec reaches roughly 1,876 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 KSFQ on an average day?
It swings with the seasons: from roughly −1,161 ft at the coldest month's average temperature to about 1,346 ft at the warmest month's — all from a constant field elevation of 70 ft. The month-by-month table above carries the full year.
What is the field elevation of Suffolk Exec?
70 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KSFQ (ICAO) / SFQ (FAA), in Suffolk, Virginia.