Climate Overview
The climate in Sitkinak Island is cool. The average annual temperature is 7°C and approximately 1205mm of precipitation falls per year. Sitkinak Island receives a notable amount of rainfall throughout the year, including during its driest month. Sitkinak Island 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 January, March, February, when temperatures can drop to 1°C. Snowfall occurs from January to December, with around 83cm accumulating over the season.
Temperature
Sitkinak Island sees moderate temperature variation throughout the year, ranging from 1°C to 13°C. August is the warmest month, though highs remain moderate at 13°C with a mean of 13°C. January is the coolest month, with minimum temperatures around 1°C and an average of 2°C. Daily temperature variation is modest, with an average difference of 1°C between highs and lows. The sharpest temperature change occurs between October and November, with a 3°C shift in average temperatures.
Precipitation
Sitkinak Island is a fairly wet location, receiving approximately 1205mm of precipitation annually, which averages out to around 100mm per month. The wettest month is December, averaging 152mm of rainfall. October and November also tend to see above-average precipitation. The driest month is July, with just 53mm. That's 99mm less than December, 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 83cm accumulating over the season. January typically sees the most snow at around 21cm.
Wind
Sitkinak Island is relatively calm, with an average annual wind speed of 8km/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 10km/h, though still comfortable for most outdoor activities. The calmest conditions occur in June, with average winds dropping to 6km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 4km/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 9km/h in winter, 7km/h in spring, 6km/h in summer, 9km/h in autumn.
Seasons
73 days until Autumn
It is currently summer in Sitkinak Island, which began on June 21, 2026. Sitkinak Island 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 13°C, while the coldest stretch bottoms out in January near 1°C. Autumn is next, beginning on September 23, 2026 — 73 days from now.
Spring
Temperatures range from 1 to 7°C. Precipitation is moderate at around 254mm for the season, averaging 85mm per month. Winds are generally light, averaging 7km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 9 to 13°C. Precipitation is moderate at around 197mm for the season, averaging 66mm per month. Winds are generally light, averaging 6km/h. Comfortable clothing with a light layer for cooler evenings is all you need.
Autumn
Temperatures range from 5 to 12°C. Rainfall is heavy, totalling around 408mm across the season with a monthly average of 136mm. Expect around 6cm of snow accumulation during this period. Winds are generally light, averaging 9km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 1 to 5°C. Rainfall is heavy, totalling around 347mm across the season with a monthly average of 116mm. Expect around 55cm of snow accumulation during this period. Winds are generally light, averaging 9km/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 Sitkinak Island 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.
