Little Port Walter, AK Climate

Climate Insight: Little Port Walter, AK

An annual average temperature of 44°F, ranging from a mean daily high of 49°F to a mean daily low of 39°F is what the NOAA 1991–2020 climate normals report for Little Port Walter, Alaska. August is typically the warmest month of the year, while January is the coldest. That baseline comes from station USC00505519 and thirty years of averaging, so it reflects a typical month rather than any one year's swings.

Rainfall (and snow, where it falls) shapes day-to-day life here as much as temperature does. Little Port Walter sees about 245.7 inches of precipitation a year, with 101.8 inches typically falling as snow. The frost-free season averages 193 days, which directly shapes the planting calendar and growing potential for the area, with the last spring freeze near April 21 and the first fall freeze near October 31. On the energy side, 7,600 heating degree days and 1 cooling degree days tell the story of how often furnaces and air conditioners run during a normal year.

On PlainClimate's composite comfort index, Little Port Walter scores 28/100 (Below Average), 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.