Northampton, Massachusetts · field elev 121 ft

Density Altitude at Northampton (7B2)

Northampton sits at 121 ft, and even a typical July afternoon (83 °F) only lifts density altitude to about 1,709 ft — heat still trims performance, but the field rarely turns high-and-hot.

worst typical month: July · ≈1,709 ft station: AMHERST · 6 mi away normals vintage 1991–2020

Typical density altitude by month

From NOAA 1991–2020 monthly normals at AMHERST (6 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 23.9 −2,243 ft 34.0 −1,528 ft
February 26.2 −2,079 ft 37.0 −1,319 ft
March 34.7 −1,479 ft 45.2 −755 ft
April 46.3 −681 ft 58.2 115 ft
May 57.5 69 ft 69.5 850 ft
June 66.5 657 ft 78.0 1,390 ft
July 71.7 991 ft 83.1 1,709 ft
August 69.9 876 ft 81.5 1,609 ft
September 62.3 384 ft 74.4 1,163 ft
October 50.2 −417 ft 61.9 358 ft
November 39.4 −1,153 ft 49.7 −451 ft
December 30.0 −1,809 ft 39.2 −1,167 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 7B2

Altimeter-style gauge: field elevation and density altitude needles 03691215 DENSITY ALT ×1,000 FT 1,703 DENSITY ALTITUDE · FEET
field elevation density altitude

DENSITY ALTITUDE 1,703 ft

Field elevation 121 ft — the air behaves like 1,703 ft.

PRESSURE ALT
122 ft
ISA DEVIATION
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RULE-OF-THUMB DA
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AIR DENSITY INDEX
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AIR DENSITY
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WATER · GRAINS/LB
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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 7B2 in summer?

On a typical July afternoon — around 83 °F at the nearest NOAA normals station — density altitude at Northampton reaches roughly 1,709 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 7B2 on an average day?

It swings with the seasons: from roughly −2,243 ft at the coldest month's average temperature to about 991 ft at the warmest month's — all from a constant field elevation of 121 ft. The month-by-month table above carries the full year.

What is the field elevation of Northampton?

121 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 7B2 (FAA), in Northampton, Massachusetts.