Climate Overview
The climate in Annette Island Airport is cool. The average annual temperature is 9°C and approximately 2586mm of precipitation falls per year. Annette Island Airport receives a notable amount of rainfall throughout the year, including during its driest month. Annette Island 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 2°C. Snowfall occurs from January to December, with around 106cm accumulating over the season.
Temperature
Annette Island Airport sees moderate temperature variation throughout the year, ranging from 2°C to 17°C. August is the warmest month, though highs remain moderate at 17°C with a mean of 15°C. February is the coolest month, with minimum temperatures around 2°C and an average of 3°C. Daily temperature variation is modest, with an average difference of 3°C between highs and lows. The sharpest temperature change occurs between September and October, with a 4°C shift in average temperatures.
Precipitation
Annette Island Airport is a very wet location, receiving approximately 2586mm of precipitation annually, which averages out to around 215mm per month. The wettest month is November, averaging 356mm of rainfall. December and January also tend to see above-average precipitation. The driest month is May, with just 125mm. That's 231mm less than November, the wettest month. Precipitation varies noticeably between seasons, with the second half (July to December) of the year generally seeing more rainfall. Snowfall is a regular feature from January to December, with around 106cm accumulating over the season. January typically sees the most snow at around 32cm.
Wind
Annette Island Airport is relatively calm, with an average annual wind speed of 5km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is January, averaging 7km/h, though still comfortable for most outdoor activities. The calmest conditions occur in July, with average winds dropping to 4km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 3km/h gap between the calmest and windiest months. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 6km/h in winter, 5km/h in spring, 4km/h in summer, 5km/h in autumn.
Seasons
3 days until Summer
It is currently spring in Annette Island Airport, which began on March 20, 2026. Annette Island 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 17°C, while the coldest stretch bottoms out in February near 2°C. Summer is next, beginning on June 21, 2026 — 3 days from now.
Spring
Temperatures range from 3 to 12°C. Rainfall is heavy, totalling around 488mm across the season with a monthly average of 163mm. Winds are generally light, averaging 5km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 10 to 17°C. Rainfall is heavy, totalling around 491mm across the season with a monthly average of 164mm. Winds are generally light, averaging 4km/h. Comfortable clothing with a light layer for cooler evenings is all you need.
Autumn
Temperatures range from 6 to 15°C. Rainfall is heavy, totalling around 801mm across the season with a monthly average of 267mm. Expect around 7cm of snow accumulation during this period. Winds are generally light, averaging 5km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 2 to 6°C. Rainfall is heavy, totalling around 806mm across the season with a monthly average of 269mm. Expect around 68cm of snow accumulation during this period. Winds are generally light, averaging 6km/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 Annette Island 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.
