Flagstaff Pulliam, AZ Climate

Climate Insight: Flagstaff Pulliam, AZ

The NOAA 1991–2020 climate normals describe Flagstaff Pulliam, Arizona as a location with an annual average temperature of 47°F, ranging from a mean daily high of 62°F to a mean daily low of 32°F. July is typically the warmest month of the year, while December is the coldest. These thirty-year averages, computed from station USW00003103, smooth out year-to-year variability and give a baseline expectation for typical conditions in any given month.

Rainfall (and snow, where it falls) shapes day-to-day life here as much as temperature does. Flagstaff Pulliam sees about 20.5 inches of precipitation a year, with 90.1 inches typically falling as snow. The frost-free season averages 116 days, which directly shapes the planting calendar and growing potential for the area, with the last spring freeze near June 4 and the first fall freeze near September 28. On the energy side, 6,746 heating degree days and 145 cooling degree days tell the story of how often furnaces and air conditioners run during a normal year.

On PlainClimate's composite comfort index, Flagstaff Pulliam scores 54/100 (Moderate), a blended measure that weighs temperature mildness, precipitation moderation, and extreme-weather frequency against one another. The monthly tables above turn that into a planning tool: expect the mildest highs and lows in the shoulder seasons, July-driven heat at the peak of summer, and December-driven cold at the depth of winter. Every number here is a thirty-year average, not a forecast, so any given year can and does run warmer, cooler, wetter, or drier than the normal.