Hernando, MS Climate

Climate Insight: Hernando, MS

Based on station USC00223975 feeding NOAA's 1991–2020 climate normals, Hernando, Mississippi averages 61°F a year, ranging from a mean daily high of 72°F to a mean daily low of 51°F. July is typically the warmest month of the year, while January is the coldest. Because these figures are thirty-year averages rather than any single year's readings, they describe the typical month, not a forecast for it.

Rainfall (and snow, where it falls) shapes day-to-day life here as much as temperature does. Hernando sees about 56.5 inches of precipitation a year, with 1.9 inches typically falling as snow. The frost-free season averages 222 days, which directly shapes the planting calendar and growing potential for the area, with the last spring freeze near March 28 and the first fall freeze near November 5. On the energy side, 3,288 heating degree days and 1,922 cooling degree days tell the story of how often furnaces and air conditioners run during a normal year.

On PlainClimate's composite comfort index, Hernando scores 83/100 (Excellent), a blended measure that weighs temperature mildness, precipitation moderation, and extreme-weather frequency against one another. The monthly tables above are the practical planning tool: mild highs and lows land in the shoulder seasons, July-driven heat peaks in summer, and January-driven cold sets in over deep winter. These are thirty-year averages, not a forecast - any single year can run warmer, wetter, drier, or cooler than the normal.