Scottsdale Muni, AZ Climate

Climate Insight: Scottsdale Muni, AZ

An annual average temperature of 73°F, ranging from a mean daily high of 85°F to a mean daily low of 62°F is what the NOAA 1991–2020 climate normals report for Scottsdale Muni, Arizona. July is typically the warmest month of the year, while December is the coldest. That baseline comes from station USW00003192 and thirty years of averaging, so it reflects a typical month rather than any one year's swings.

Rainfall (and snow, where it falls) shapes day-to-day life here as much as temperature does. Scottsdale Muni sees about 8.7 inches of precipitation a year, predominantly as rainfall. The frost-free season averages 354 days, which directly shapes the planting calendar and growing potential for the area, with the last spring freeze near January 6 and the first fall freeze near December 26. On the energy side, 1,139 heating degree days and 4,170 cooling degree days tell the story of how often furnaces and air conditioners run during a normal year.

On PlainClimate's composite comfort index, Scottsdale Muni scores 75/100 (Good), a blended measure that weighs temperature mildness, precipitation moderation, and extreme-weather frequency against one another. For planning purposes, look to the monthly tables above: shoulder seasons bring the mildest highs and lows, summer brings July-driven heat, and deep winter brings December-driven cold. Treat every figure here as a thirty-year average rather than a forecast - individual years routinely run warmer, cooler, wetter, or drier than the normal.