Waterville, Washington · field elev 2,645 ft

Density Altitude at Waterville (2S5)

Waterville sits at 2,645 ft, and even a typical July afternoon (84 °F) only lifts density altitude to about 4,817 ft — heat still trims performance, but the field rarely turns high-and-hot.

worst typical month: July · ≈4,817 ft station: WATERVILLE · 1 mi away normals vintage 1991–2020

Typical density altitude by month

From NOAA 1991–2020 monthly normals at WATERVILLE (1 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 24.0 926 ft 31.4 1,440 ft
February 27.6 1,177 ft 36.1 1,762 ft
March 36.6 1,796 ft 47.5 2,527 ft
April 44.8 2,348 ft 57.0 3,149 ft
May 53.9 2,947 ft 67.0 3,788 ft
June 60.0 3,342 ft 73.8 4,214 ft
July 68.1 3,857 ft 83.6 4,817 ft
August 67.7 3,832 ft 82.8 4,768 ft
September 59.4 3,304 ft 73.8 4,214 ft
October 45.3 2,381 ft 57.5 3,181 ft
November 31.9 1,475 ft 40.1 2,033 ft
December 23.3 877 ft 31.0 1,413 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 2S5

Altimeter-style gauge: field elevation and density altitude needles 03691215 DENSITY ALT ×1,000 FT 4,841 DENSITY ALTITUDE · FEET
field elevation density altitude

DENSITY ALTITUDE 4,841 ft

Field elevation 2,645 ft — the air behaves like 4,841 ft.

PRESSURE ALT
2,647 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 Washington fields

All Washington airports →

Frequently asked questions

How high does density altitude get at 2S5 in summer?

On a typical July afternoon — around 84 °F at the nearest NOAA normals station — density altitude at Waterville reaches roughly 4,817 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 2S5 on an average day?

It swings with the seasons: from roughly 877 ft at the coldest month's average temperature to about 3,857 ft at the warmest month's — all from a constant field elevation of 2,645 ft. The month-by-month table above carries the full year.

What is the field elevation of Waterville?

2,645 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 2S5 (FAA), in Waterville, Washington.