Rayville, LA Climate

Climate Insight: Rayville, LA

In Rayville, Louisiana, the NOAA 1991–2020 climate normals put the annual average temperature at 67°F, ranging from a mean daily high of 77°F to a mean daily low of 56°F. August is typically the warmest month of the year, while January is the coldest. As thirty-year averages computed from station USC00167691, these numbers smooth out year-to-year noise into a working baseline for a typical month.

Precipitation patterns matter as much as temperature for anyone planning to live, garden, or travel here. Rayville receives roughly 60.0 inches of precipitation each year, with 0.7 inches typically falling as snow. The frost-free season averages 271 days, which directly shapes the planting calendar and growing potential for the area, with the last spring freeze near February 28 and the first fall freeze near November 26. For energy use, 2,060 heating degree days and 2,675 cooling degree days tell the story of how often furnaces and air conditioners run during a normal year.

On PlainClimate's composite comfort index, Rayville scores 87/100 (Excellent), 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, August-driven heat at the peak of summer, and January-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.