Wooster, Ohio · field elev 1,136 ft

Density Altitude at Wayne County (KBJJ)

Wayne County sits at 1,136 ft, and even a typical July afternoon (82 °F) only lifts density altitude to about 2,905 ft — heat still trims performance, but the field rarely turns high-and-hot.

worst typical month: July · ≈2,905 ft station: WOOSTER WAYNE CO AP · 0 mi away normals vintage 1991–2020

Typical density altitude by month

From NOAA 1991–2020 monthly normals at WOOSTER WAYNE CO AP (0 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 25.9 −828 ft 33.9 −268 ft
February 28.4 −652 ft 36.8 −68 ft
March 37.2 −40 ft 46.6 599 ft
April 48.8 746 ft 60.0 1,485 ft
May 59.5 1,452 ft 70.9 2,185 ft
June 68.1 2,007 ft 78.8 2,682 ft
July 71.5 2,223 ft 82.4 2,905 ft
August 69.1 2,071 ft 80.2 2,769 ft
September 62.4 1,641 ft 74.4 2,406 ft
October 51.7 940 ft 63.0 1,680 ft
November 40.5 186 ft 49.3 780 ft
December 31.3 −449 ft 38.4 42 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 KBJJ

Altimeter-style gauge: field elevation and density altitude needles 03691215 DENSITY ALT ×1,000 FT 2,880 DENSITY ALTITUDE · FEET
field elevation density altitude

DENSITY ALTITUDE 2,880 ft

Field elevation 1,136 ft — the air behaves like 2,880 ft.

PRESSURE ALT
1,137 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

Nearby Ohio fields

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Frequently asked questions

How high does density altitude get at KBJJ in summer?

On a typical July afternoon — around 82 °F at the nearest NOAA normals station — density altitude at Wayne County reaches roughly 2,905 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 KBJJ on an average day?

It swings with the seasons: from roughly −828 ft at the coldest month's average temperature to about 2,223 ft at the warmest month's — all from a constant field elevation of 1,136 ft. The month-by-month table above carries the full year.

What is the field elevation of Wayne County?

1,136 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KBJJ (ICAO) / BJJ (FAA), in Wooster, Ohio.