Climate Overview
The climate in Gustavus Airport is cool. The average annual temperature is 5°C and approximately 3076mm of precipitation falls per year. Gustavus Airport receives a notable amount of rainfall throughout the year, including during its driest month. Gustavus Airport is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, July, June. The coldest months are February, January, December, when temperatures can drop to -2°C. Gustavus Airport experiences heavy snowfall, typically from January through December.
Temperature
Gustavus Airport sees moderate temperature variation throughout the year, ranging from -2°C to 14°C. August is the warmest month, though highs remain moderate at 14°C with a mean of 13°C. The coldest month is February, when overnight lows fall to -2°C and the daily average is -1°C. Daily temperature variation is modest, with an average difference of 2°C between highs and lows. The sharpest temperature change occurs between October and November, with a 4°C shift in average temperatures.
Precipitation
Gustavus Airport is a very wet location, receiving approximately 3076mm of precipitation annually, which averages out to around 256mm per month. The wettest month is October, averaging 396mm of rainfall. January and December also tend to see above-average precipitation. The driest month is June, with just 149mm. That's 247mm less than October, the wettest month. Precipitation varies noticeably between seasons, with the second half (July to December) of the year generally seeing more rainfall. Gustavus Airport receives heavy snowfall, accumulating around 429cm annually from January through December. The snowiest month is December, with approximately 90cm. Winter travel should account for significant snow cover.
Wind
Gustavus Airport is moderately windy, with an average annual wind speed of 21km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is November, averaging 26km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in July, with average winds dropping to 15km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 11km/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 25km/h in winter, 20km/h in spring, 17km/h in summer, 23km/h in autumn.
Seasons
83 days until Summer
It is currently spring in Gustavus Airport, which began on March 20, 2026. Gustavus 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 14°C, while the coldest stretch bottoms out in February near -2°C. Summer is next, beginning on June 21, 2026 — 83 days from now.
Spring
Temperatures range from 0 to 8°C. Rainfall is heavy, totalling around 547mm across the season with a monthly average of 182mm. Winds are moderate at around 20km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 9 to 14°C. Rainfall is heavy, totalling around 618mm across the season with a monthly average of 206mm. Winds are moderate at around 17km/h. Comfortable clothing with a light layer for cooler evenings is all you need.
Autumn
Temperatures range from 1 to 11°C. Rainfall is heavy, totalling around 1032mm across the season with a monthly average of 344mm. Expect around 73cm of snow accumulation during this period. Winds are moderate at around 23km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from -2 to 2°C. Rainfall is heavy, totalling around 878mm across the season with a monthly average of 293mm. Expect around 252cm of snow accumulation during this period. Winds are moderate at around 25km/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 Gustavus 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.
