Machias, Maine · field elev 96 ft

Density Altitude at Machias Valley (KMVM)

Machias Valley sits at 96 ft, and even a typical July afternoon (76 °F) only lifts density altitude to about 1,259 ft — heat still trims performance, but the field rarely turns high-and-hot.

worst typical month: July · ≈1,259 ft station: JONESBORO · 9 mi away normals vintage 1991–2020

Typical density altitude by month

From NOAA 1991–2020 monthly normals at JONESBORO (9 mi from the field) · standard pressure, dry air
Month Avg temp °F DA at avg temp Afternoon high °F DA on a typical afternoon
January 19.1 −2,621 ft 28.8 −1,925 ft
February 21.8 −2,426 ft 32.2 −1,685 ft
March 30.6 −1,798 ft 39.3 −1,191 ft
April 41.5 −1,039 ft 50.9 −401 ft
May 51.7 −348 ft 61.2 281 ft
June 60.2 216 ft 69.7 832 ft
July 66.0 594 ft 76.4 1,259 ft
August 65.8 581 ft 76.4 1,259 ft
September 58.8 124 ft 69.2 800 ft
October 48.1 −590 ft 56.9 −2 ft
November 38.0 −1,281 ft 46.3 −712 ft
December 26.9 −2,060 ft 35.2 −1,475 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 KMVM

Altimeter-style gauge: field elevation and density altitude needles 03691215 DENSITY ALT ×1,000 FT 1,233 DENSITY ALTITUDE · FEET
field elevation density altitude

DENSITY ALTITUDE 1,233 ft

Field elevation 96 ft — the air behaves like 1,233 ft.

PRESSURE ALT
97 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

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Frequently asked questions

How high does density altitude get at KMVM in summer?

On a typical July afternoon — around 76 °F at the nearest NOAA normals station — density altitude at Machias Valley reaches roughly 1,259 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 KMVM on an average day?

It swings with the seasons: from roughly −2,621 ft at the coldest month's average temperature to about 594 ft at the warmest month's — all from a constant field elevation of 96 ft. The month-by-month table above carries the full year.

What is the field elevation of Machias Valley?

96 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KMVM (ICAO) / MVM (FAA), in Machias, Maine.