Baton Rouge Ryan, LA Climate

Climate Insight: Baton Rouge Ryan, LA

In Baton Rouge Ryan, Louisiana, the NOAA 1991–2020 climate normals put the annual average temperature at 69°F, ranging from a mean daily high of 79°F to a mean daily low of 58°F. July is typically the warmest month of the year, while January is the coldest. As thirty-year averages computed from station USW00013970, these numbers smooth out year-to-year noise into a working baseline for a typical month.

Baton Rouge Ryan averages 61.9 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 274 days, which directly shapes the planting calendar and growing potential for the area, with the last spring freeze near February 25 and the first fall freeze near November 26. As for energy demand, 1,534 heating degree days and 2,818 cooling degree days tell the story of how often furnaces and air conditioners run during a normal year.

On PlainClimate's composite comfort index, Baton Rouge Ryan scores 77/100 (Good), 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, July-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.