Water Valley, Mississippi · field elev 270 ft

Density Altitude at Water Valley Municipal (33M)

Water Valley Municipal sits at 270 ft, and even a typical August afternoon (91 °F) only lifts density altitude to about 2,390 ft — heat still trims performance, but the field rarely turns high-and-hot.

worst typical month: August · ≈2,390 ft station: WATER VALLEY · 3 mi away normals vintage 1991–2020

Typical density altitude by month

From NOAA 1991–2020 monthly normals at WATER VALLEY (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 41.2 −843 ft 52.6 −72 ft
February 44.8 −598 ft 57.4 246 ft
March 53.1 −39 ft 66.2 821 ft
April 60.9 476 ft 74.2 1,333 ft
May 69.6 1,039 ft 81.6 1,798 ft
June 77.2 1,522 ft 88.2 2,206 ft
July 80.0 1,698 ft 90.4 2,341 ft
August 79.8 1,685 ft 91.2 2,390 ft
September 73.7 1,301 ft 86.2 2,083 ft
October 62.6 587 ft 76.0 1,446 ft
November 51.3 −159 ft 64.2 691 ft
December 43.9 −659 ft 55.2 101 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 33M

Altimeter-style gauge: field elevation and density altitude needles 03691215 DENSITY ALT ×1,000 FT 2,377 DENSITY ALTITUDE · FEET
field elevation density altitude

DENSITY ALTITUDE 2,377 ft

Field elevation 270 ft — the air behaves like 2,377 ft.

PRESSURE ALT
271 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 33M in summer?

On a typical August afternoon — around 91 °F at the nearest NOAA normals station — density altitude at Water Valley Municipal reaches roughly 2,390 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 33M on an average day?

It swings with the seasons: from roughly −843 ft at the coldest month's average temperature to about 1,698 ft at the warmest month's — all from a constant field elevation of 270 ft. The month-by-month table above carries the full year.

What is the field elevation of Water Valley Municipal?

270 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 33M (FAA), in Water Valley, Mississippi.