Rochester, New Hampshire · field elev 322 ft
Density Altitude at Skyhaven (KDAW)
Skyhaven sits at 322 ft, and even a typical July afternoon (82 °F) only lifts density altitude to about 1,880 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 | 24.0 | −1,984 ft | 32.6 | −1,375 ft |
| February | 26.2 | −1,827 ft | 35.4 | −1,179 ft |
| March | 34.1 | −1,270 ft | 43.5 | −621 ft |
| April | 45.7 | −472 ft | 56.7 | 264 ft |
| May | 56.1 | 225 ft | 67.4 | 962 ft |
| June | 65.6 | 846 ft | 77.0 | 1,573 ft |
| July | 70.8 | 1,180 ft | 81.9 | 1,880 ft |
| August | 69.3 | 1,084 ft | 80.6 | 1,799 ft |
| September | 61.5 | 579 ft | 72.6 | 1,295 ft |
| October | 49.8 | −195 ft | 60.3 | 501 ft |
| November | 39.4 | −902 ft | 48.0 | −316 ft |
| December | 29.6 | −1,586 ft | 37.4 | −1,040 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 KDAW
DENSITY ALTITUDE
Field elevation 322 ft — the air behaves like 1,886 ft.
- PRESSURE ALT
- 323 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 New Hampshire fields
- KPSM — Portsmouth International At Pease
Portsmouth · elev 100 ft
- 7B3 — Hampton Airfield
Hampton · elev 93 ft
- KCON — Concord Municipal
Concord · elev 342 ft
- KLCI — Laconia Municipal
Laconia · elev 545 ft
- KMHT — Manchester Boston Regional
Manchester · elev 266 ft
- 4MB — Moultonborough
Moultonborough · elev 576 ft
- KASH — Boire Field
Nashua · elev 200 ft
- 2N2 — Newfound Valley
Bristol · elev 510 ft
Frequently asked questions
How high does density altitude get at KDAW in summer?
On a typical July afternoon — around 82 °F at the nearest NOAA normals station — density altitude at Skyhaven reaches roughly 1,880 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 KDAW on an average day?
It swings with the seasons: from roughly −1,984 ft at the coldest month's average temperature to about 1,180 ft at the warmest month's — all from a constant field elevation of 322 ft. The month-by-month table above carries the full year.
What is the field elevation of Skyhaven?
322 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KDAW (ICAO) / DAW (FAA), in Rochester, New Hampshire.