Climate Overview
The climate in Klawock Airport is cool. The average annual temperature is 8°C and approximately 2256mm of precipitation falls per year. Klawock Airport receives a notable amount of rainfall throughout the year, including during its driest month. Klawock Airport is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, July, September. The coldest months are February, January, March, when temperatures can drop to 0°C. Klawock Airport experiences heavy snowfall, typically from January through December.
Temperature
Klawock Airport sees moderate temperature variation throughout the year, ranging from 0°C to 16°C. August is the warmest month, though highs remain moderate at 16°C with a mean of 13°C. February is the coolest month, with minimum temperatures around 0°C and an average of 2°C. Daily temperature variation is modest, with an average difference of 4°C between highs and lows. The sharpest temperature change occurs between September and October, with a 4°C shift in average temperatures.
Precipitation
Klawock Airport is a very wet location, receiving approximately 2256mm of precipitation annually, which averages out to around 188mm per month. The wettest month is November, averaging 278mm of rainfall. December and January also tend to see above-average precipitation. The driest month is May, with just 122mm. That's 156mm less than November, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around. Klawock Airport receives heavy snowfall, accumulating around 214cm annually from January through December. The snowiest month is February, with approximately 53cm. Winter travel should account for significant snow cover.
Wind
Klawock Airport is relatively calm, with an average annual wind speed of 4km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is December, averaging 5km/h, though still comfortable for most outdoor activities. The calmest conditions occur in July, with average winds dropping to 3km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 2km/h gap between the calmest and windiest months.
Seasons
6 days until Summer
It is currently spring in Klawock Airport, which began on March 20, 2026. Klawock Airport is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in August at around 16°C, while the coldest stretch bottoms out in February near 0°C. Summer is next, beginning on June 21, 2026 — 6 days from now.
Spring
Temperatures range from 2 to 12°C. Rainfall is heavy, totalling around 449mm across the season with a monthly average of 150mm. Winds are generally light, averaging 4km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 9 to 16°C. Rainfall is heavy, totalling around 483mm across the season with a monthly average of 161mm. Winds are generally light, averaging 3km/h. Comfortable clothing with a light layer for cooler evenings is all you need.
Autumn
Temperatures range from 4 to 14°C. Rainfall is heavy, totalling around 649mm across the season with a monthly average of 216mm. Expect around 26cm of snow accumulation during this period. Winds are generally light, averaging 4km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 0 to 5°C. Rainfall is heavy, totalling around 675mm across the season with a monthly average of 225mm. Expect around 133cm of snow accumulation during this period. Winds are generally light, averaging 4km/h. Warm winter clothing and waterproof boots are a must, and travel may be affected by snow.
Monthly Climate Data
The table below shows monthly climate averages for Klawock Airport based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Snow is measured in centimetres (cm) and reflects average monthly snowfall accumulation. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.
