Osawatomie, KS Climate

Climate Insight: Osawatomie, KS

The NOAA 1991–2020 climate normals describe Osawatomie, Kansas as a location with an annual average temperature of 55°F, ranging from a mean daily high of 66°F to a mean daily low of 44°F. July is typically the warmest month of the year, while January is the coldest. These thirty-year averages, computed from station USC00146084, 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. Osawatomie sees about 38.9 inches of precipitation a year, with 8.4 inches typically falling as snow. The frost-free season averages 194 days, which directly shapes the planting calendar and growing potential for the area, with the last spring freeze near April 14 and the first fall freeze near October 25. On the energy side, 5,016 heating degree days and 1,394 cooling degree days tell the story of how often furnaces and air conditioners run during a normal year.

On PlainClimate's composite comfort index, Osawatomie scores 78/100 (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 January-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.