Kupreanof, AK has a humid continental climate with long, cold winters and mild summers. The average temperature in the winter is around 15°F (-9°C) and the average in the summer is around 50°F (10°C). Precipitation is frequent throughout the year, but especially during the winter months when snow can be expected. The area also receives strong winds from the south and southeast. These winds bring large amounts of moisture to Kupreanof, helping to create heavy snowfall during the winter months and cooler temperatures even during summer days.
Kupreanof, Alaska gets 109 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Kupreanof averages 77 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 94 sunny days per year in Kupreanof. The US average is 205 sunny days.
Kupreanof gets some kind of precipitation, on average, 233 days per year. Precipitation is rain, snow, sleet, or hail that falls to the ground. In order for precipitation to be counted you have to get at least .01 inches on the ground to measure.
Weather Highlights
Summer High: the July high is around 64 degrees
Winter Low: the January low is 26
Rain: averages 109 inches of rain a year
Snow: averages 77 inches of snow a year