Matlock, WA Climate

Climate Insight: Matlock, WA

An annual average temperature of 51°F, ranging from a mean daily high of 61°F to a mean daily low of 41°F is what the NOAA 1991–2020 climate normals report for Matlock, Washington. August is typically the warmest month of the year, while December is the coldest. That baseline comes from station USC00455086 and thirty years of averaging, so it reflects a typical month rather than any one year's swings.

Matlock averages 89.9 inches of precipitation a year, with 1.9 inches typically falling as snow, and that matters as much to daily life here as temperature does. The frost-free season averages 180 days, which directly shapes the planting calendar and growing potential for the area, with the last spring freeze near April 23 and the first fall freeze near October 20. As for energy demand, 5,155 heating degree days and 103 cooling degree days tell the story of how often furnaces and air conditioners run during a normal year.

On PlainClimate's composite comfort index, Matlock scores 49/100 (Moderate), a blended measure that weighs temperature mildness, precipitation moderation, and extreme-weather frequency against one another. Use the monthly tables above to plan around specific windows, shoulder seasons for mild highs and lows, peak summer for August-driven heat, or deep winter for December-driven cold. All figures here are thirty-year averages: any single year may run warmer, wetter, drier, or cooler than the normal, so treat them as planning guidance rather than forecasts.