Concord, New Hampshire · field elev 342 ft
Density Altitude at Concord Municipal (KCON)
Concord Municipal sits at 342 ft, and even a typical July afternoon (83 °F) only lifts density altitude to about 1,973 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 | 22.3 | −2,081 ft | 31.6 | −1,420 ft |
| February | 24.7 | −1,909 ft | 34.8 | −1,196 ft |
| March | 33.4 | −1,294 ft | 43.6 | −590 ft |
| April | 45.4 | −467 ft | 57.5 | 342 ft |
| May | 56.7 | 289 ft | 69.3 | 1,109 ft |
| June | 65.8 | 883 ft | 77.8 | 1,648 ft |
| July | 71.1 | 1,224 ft | 83.0 | 1,973 ft |
| August | 69.5 | 1,121 ft | 81.7 | 1,892 ft |
| September | 61.4 | 598 ft | 73.7 | 1,389 ft |
| October | 49.3 | −204 ft | 60.9 | 565 ft |
| November | 38.6 | −933 ft | 48.4 | −265 ft |
| December | 28.3 | −1,653 ft | 37.1 | −1,036 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 KCON
DENSITY ALTITUDE
Field elevation 342 ft — the air behaves like 1,973 ft.
- PRESSURE ALT
- 343 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
- KMHT — Manchester Boston Regional
Manchester · elev 266 ft
- 8B1 — Hawthorne-Feather Airpark
Hillsboro · elev 600 ft
- KLCI — Laconia Municipal
Laconia · elev 545 ft
- KASH — Boire Field
Nashua · elev 200 ft
- KDAW — Skyhaven
Rochester · elev 322 ft
- 2N2 — Newfound Valley
Bristol · elev 510 ft
- KPSM — Portsmouth International At Pease
Portsmouth · elev 100 ft
- 2B3 — Parlin Field
Newport · elev 784 ft
Frequently asked questions
How high does density altitude get at KCON in summer?
On a typical July afternoon — around 83 °F at the nearest NOAA normals station — density altitude at Concord Municipal reaches roughly 1,973 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 KCON on an average day?
It swings with the seasons: from roughly −2,081 ft at the coldest month's average temperature to about 1,224 ft at the warmest month's — all from a constant field elevation of 342 ft. The month-by-month table above carries the full year.
What is the field elevation of Concord Municipal?
342 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KCON (ICAO) / CON (FAA), in Concord, New Hampshire.