Greenfield, IN Climate

Climate Insight: Greenfield, IN

The NOAA 1991–2020 climate normals describe Greenfield, Indiana as a location with an annual average temperature of 52°F, ranging from a mean daily high of 62°F to a mean daily low of 42°F. July is typically the warmest month of the year, while January is the coldest. These thirty-year averages, computed from station USC00123527, smooth out year-to-year variability and give a baseline expectation for typical conditions in any given month.

Greenfield averages 47.8 inches of precipitation a year, with 20.2 inches typically falling as snow, and that matters as much to daily life here as temperature does. The frost-free season averages 186 days, which directly shapes the planting calendar and growing potential for the area, with the last spring freeze near April 19 and the first fall freeze near October 22. As for energy demand, 5,706 heating degree days and 953 cooling degree days tell the story of how often furnaces and air conditioners run during a normal year.

On PlainClimate's composite comfort index, Greenfield scores 63/100 (Good), a blended measure that weighs temperature mildness, precipitation moderation, and extreme-weather frequency against one another. Shoulder seasons bring the mildest highs and lows in the monthly tables above, summer brings July-driven heat, and winter brings January-driven cold - use that rhythm for planning. These figures are thirty-year averages rather than forecasts, so a specific year may still run warmer, cooler, wetter, or drier than what's shown.