Boardman, OR Climate

Climate Insight: Boardman, OR

The NOAA 1991–2020 climate normals describe Boardman, Oregon as a location with an annual average temperature of 54°F, ranging from a mean daily high of 66°F to a mean daily low of 42°F. July is typically the warmest month of the year, while January is the coldest. These thirty-year averages, computed from station USC00350858, smooth out year-to-year variability and give a baseline expectation for typical conditions in any given month.

Boardman averages 8.6 inches of precipitation a year, with 3.7 inches typically falling as snow, and that matters as much to daily life here as temperature does. The frost-free season averages 190 days, which directly shapes the planting calendar and growing potential for the area, with the last spring freeze near April 14 and the first fall freeze near October 21. As for energy demand, 4,852 heating degree days and 876 cooling degree days tell the story of how often furnaces and air conditioners run during a normal year.

On PlainClimate's composite comfort index, Boardman scores 53/100 (Moderate), 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.