Our precipitation score, which is based on the three-hour precipitation centered on the hour in question, is 10 for no precipitation, falling linearly to 9 for trace precipitation, and to 0 for 0.04 inches of precipitation or more. Our cloud cover score is 10 for fully clear skies, falling linearly to 9 for mostly clear skies, and to 1 for fully overcast skies. Those scores are combined into a single hourly composite score, which is then aggregated into days, averaged over all the years in the analysis period, and smoothed. The beach/pool score (filled area), and its constituents: the temperature score (red line), the cloud cover score (blue line), and the precipitation score (green line).įor each hour between 8:00 AM and 9:00 PM of each day in the analysis period (1980 to 2016), independent scores are computed for perceived temperature, cloud cover, and total precipitation. The coldest month of the year in Sitka is January, with an average low of 33☏ and high of 40☏.Īverage High and Low Temperature in Sitka The cool season lasts for 4.4 months, from November 11 to March 24, with an average daily high temperature below 44☏. The hottest month of the year in Sitka is August, with an average high of 62☏ and low of 53☏. The warm season lasts for 3.1 months, from June 14 to September 16, with an average daily high temperature above 58☏. Click on each chart for more information.
Very coldcoldcoolcoldvery coldJanFebMarAprMayJunJulAugSepOctNovDecNowNow38%38%21%21%overcastclearprecipitation: 12.4 inprecipitation: 12.4 in3.4 in3.4 inmuggy: 0%muggy: 0%0%0%drydrytourism score: 3.7tourism score: 3.70.00.0
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