Climate Insights for Stromness
South Georgia, South Georgia and the South Sandwich Islands
Climate Overview
The climate in Stromness is cold. The average annual temperature is -1°C and approximately 1,825 mm of precipitation falls per year. Stromness receives a notable amount of rainfall throughout the year, including during its driest month. Stromness is in the Southern Hemisphere. The seasons are reversed: summer runs from December to February, while winter falls between June and August. The summer months are: February, January, March. The coldest months are July, August, June, when temperatures can drop to -6°C. Stromness experiences heavy snowfall, typically from January through December.The climate in Stromness is cold. The average annual temperature is 31°F and approximately 71.8 in of precipitation falls per year. Stromness receives a notable amount of rainfall throughout the year, including during its driest month. Stromness is in the Southern Hemisphere. The seasons are reversed: summer runs from December to February, while winter falls between June and August. The summer months are: February, January, March. The coldest months are July, August, June, when temperatures can drop to 22°F. Stromness experiences heavy snowfall, typically from January through December.
Temperature
Stromness has relatively stable temperatures year-round, staying within a 9°C range. February is the warmest month, though highs remain moderate at 3°C with a mean of 2°C. The coldest month is July, when overnight lows fall to -6°C and the daily average is -4°C. Daily temperature variation is modest, with an average difference of 3°C between highs and lows. The sharpest temperature change occurs between April and May, with a 2°C shift in average temperatures.Stromness has relatively stable temperatures year-round, staying within a 16°F range. February is the warmest month, though highs remain moderate at 38°F with a mean of 36°F. The coldest month is July, when overnight lows fall to 22°F and the daily average is 25°F. Daily temperature variation is modest, with an average difference of 5°F between highs and lows. The sharpest temperature change occurs between April and May, with a 4°F shift in average temperatures.
Precipitation
Stromness is a fairly wet location, receiving approximately 1,825 mm of precipitation annually, which averages out to around 152 mm per month. The wettest month is March, averaging 182 mm of rainfall. April and August also tend to see above-average precipitation. The driest month is November, with just 134 mm. That's 48 mm less than March, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around. Stromness receives heavy snowfall, accumulating around 1117cm annually from January through December. The snowiest month is August, with approximately 138cm. Winter travel should account for significant snow cover.Stromness is a fairly wet location, receiving approximately 71.8 in of precipitation annually, which averages out to around 6 in per month. The wettest month is March, averaging 7.2 in of rainfall. April and August also tend to see above-average precipitation. The driest month is November, with just 5.3 in. That's 1.9 in less than March, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around. Stromness receives heavy snowfall, accumulating around 440in annually from January through December. The snowiest month is August, with approximately 54in. Winter travel should account for significant snow cover.
Wind
Stromness 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 August, averaging 22km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in December, with average winds dropping to 19km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 3km/h between the calmest and windiest months.Stromness is very windy, with an average annual wind speed of 13mph. For context, sustained winds below 7mph are generally light, while anything above 16mph is considered strong. The windiest month is August, averaging 14mph, which can feel quite blustery and may affect outdoor activities. The calmest conditions occur in December, with average winds dropping to 12mph, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 2mph between the calmest and windiest months.
Monthly Climate Data
The table below shows monthly climate averages for Stromness 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.The table below shows monthly climate averages for Stromness based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Fahrenheit (°F). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Snow is measured in inches (in) and reflects average monthly snowfall accumulation. Wind speed is the average sustained speed in miles per hour (mph). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.