Helena, AR Climate

Climate Insight: Helena, AR

In Helena, Arkansas, the NOAA 1991–2020 climate normals put the annual average temperature at 62°F, ranging from a mean daily high of 72°F to a mean daily low of 53°F. July is typically the warmest month of the year, while January is the coldest. As thirty-year averages computed from station USC00033242, these numbers smooth out year-to-year noise into a working baseline for a typical month.

Helena averages 49.7 inches of precipitation a year, with negligible snowfall, and that matters as much to daily life here as temperature does. The frost-free season averages 246 days, which directly shapes the planting calendar and growing potential for the area, with the last spring freeze near March 15 and the first fall freeze near November 16. As for energy demand, 3,072 heating degree days and 2,097 cooling degree days tell the story of how often furnaces and air conditioners run during a normal year.

On PlainClimate's composite comfort index, Helena scores 97/100 (Excellent), 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.