Burlington/Mount Vernon, Washington · field elev 145 ft

Density Altitude at Skagit Regional (KBVS)

Skagit Regional sits at 145 ft, and even a typical August afternoon (75 °F) only lifts density altitude to about 1,236 ft — heat still trims performance, but the field rarely turns high-and-hot.

worst typical month: August · ≈1,236 ft station: MT VERNON 3 WNW · 3 mi away normals vintage 1991–2020

Typical density altitude by month

From NOAA 1991–2020 monthly normals at MT VERNON 3 WNW (3 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 41.1 −1,006 ft 47.1 −597 ft
February 42.2 −930 ft 49.6 −428 ft
March 45.8 −685 ft 53.7 −154 ft
April 49.8 −415 ft 58.4 158 ft
May 55.7 −21 ft 64.8 576 ft
June 59.7 243 ft 68.7 828 ft
July 63.4 485 ft 73.3 1,122 ft
August 64.1 531 ft 75.1 1,236 ft
September 58.7 178 ft 68.8 834 ft
October 51.3 −314 ft 59.3 217 ft
November 45.0 −739 ft 51.2 −321 ft
December 40.6 −1,040 ft 45.9 −678 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 KBVS

Altimeter-style gauge: field elevation and density altitude needles 03691215 DENSITY ALT ×1,000 FT 1,230 DENSITY ALTITUDE · FEET
field elevation density altitude

DENSITY ALTITUDE 1,230 ft

Field elevation 145 ft — the air behaves like 1,230 ft.

PRESSURE ALT
146 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 KBVS in summer?

On a typical August afternoon — around 75 °F at the nearest NOAA normals station — density altitude at Skagit Regional reaches roughly 1,236 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 KBVS on an average day?

It swings with the seasons: from roughly −1,040 ft at the coldest month's average temperature to about 531 ft at the warmest month's — all from a constant field elevation of 145 ft. The month-by-month table above carries the full year.

What is the field elevation of Skagit Regional?

145 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KBVS (ICAO) / BVS (FAA), in Burlington/Mount Vernon, Washington.