Scotia, CA Climate

Climate Insight: Scotia, CA

An annual average temperature of 56°F, ranging from a mean daily high of 64°F to a mean daily low of 47°F is what the NOAA 1991–2020 climate normals report for Scotia, California. August is typically the warmest month of the year, while December is the coldest. That baseline comes from station USC00048045 and thirty years of averaging, so it reflects a typical month rather than any one year's swings.

Scotia averages 47.7 inches of precipitation a year, predominantly as rainfall, and that matters as much to daily life here as temperature does. The frost-free season averages 321 days, which directly shapes the planting calendar and growing potential for the area, with the last spring freeze near February 1 and the first fall freeze near December 19. As for energy demand, 3,488 heating degree days and 55 cooling degree days tell the story of how often furnaces and air conditioners run during a normal year.

On PlainClimate's composite comfort index, Scotia scores 85/100 (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, August-driven heat peaks in summer, and December-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.