Gustavus, AK has a subarctic climate with long, cold winters and short, cool summers. Temperatures range from an average high of 55°F in June to an average low of 22°F in January. Precipitation is low throughout the year with only 10 inches per year on average, primarily falling as snow from October to April. The area has strong northeasterly winds that occur frequently. Gusts can reach up to 40 mph, making the wind chill much lower than the air temperature. Despite this, Gustavus still gets plenty of sunshine during the summer months with about 17 hours of daylight each day in June and July.
Gustavus, Alaska gets 68 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Gustavus averages 99 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 86 sunny days per year in Gustavus. The US average is 205 sunny days.
Gustavus gets some kind of precipitation, on average, 232 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 24
Rain: averages 68 inches of rain a year
Snow: averages 99 inches of snow a year