Climate Insights for Stromness

South Georgia, South Georgia and the South Sandwich Islands

Hottest
February
3°C peak38°F peak
Coldest
July
-6°C low22°F low
Wettest
March
182 mm rain7.2 in rain
Best to Visit
Varies throughout year

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

-10°-5°0°5°10°JanFebMarAprMayJunJulAugSepOctNovDecJanMax: 3°Average: 2°Min: 0°FebMax: 3°Average: 2°Min: 1°MarMax: 3°Average: 1°Min: 0°AprMax: 2°Average: 0°Min: -1°MayMax: -1°Average: -2°Min: -4°JunMax: -2°Average: -3°Min: -5°JulMax: -3°Average: -4°Min: -6°AugMax: -2°Average: -4°Min: -5°SepMax: -1°Average: -2°Min: -4°OctMax: 0°Average: -1°Min: -3°NovMax: 1°Average: 0°Min: -1°DecMax: 2°Average: 1°Min: 0°
Max
Average
Min
0°F10°F20°F30°F40°FJanFebMarAprMayJunJulAugSepOctNovDecJanMax: 38°FAverage: 35°FMin: 32°FFebMax: 38°FAverage: 36°FMin: 33°FMarMax: 37°FAverage: 35°FMin: 32°FAprMax: 35°FAverage: 32°FMin: 29°FMayMax: 31°FAverage: 28°FMin: 26°FJunMax: 29°FAverage: 26°FMin: 24°FJulMax: 27°FAverage: 25°FMin: 22°FAugMax: 28°FAverage: 25°FMin: 22°FSepMax: 31°FAverage: 28°FMin: 26°FOctMax: 32°FAverage: 30°FMin: 27°FNovMax: 35°FAverage: 32°FMin: 30°FDecMax: 36°FAverage: 34°FMin: 31°F
Max
Average
Min

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

0mm50mm100mm150mm200mmJanFebMarAprMayJunJulAugSepOctNovDecJanPrecipitation: 158mmSnow: 66mmFebPrecipitation: 157mmSnow: 56mmMarPrecipitation: 182mmSnow: 66mmAprPrecipitation: 171mmSnow: 78mmMayPrecipitation: 149mmSnow: 99mmJunPrecipitation: 135mmSnow: 113mmJulPrecipitation: 146mmSnow: 129mmAugPrecipitation: 162mmSnow: 138mmSepPrecipitation: 144mmSnow: 110mmOctPrecipitation: 149mmSnow: 105mmNovPrecipitation: 134mmSnow: 83mmDecPrecipitation: 138mmSnow: 74mm
Precipitation
Snow
0in2in4in6in8in10in12in14in16in18in20in22in24in26in28in30in32in34in36in38in40in42in44in46in48in50in52in54inJanFebMarAprMayJunJulAugSepOctNovDecJanPrecipitation: 6.2inSnow (in): 26inFebPrecipitation: 6.2inSnow (in): 22inMarPrecipitation: 7.2inSnow (in): 26inAprPrecipitation: 6.7inSnow (in): 31inMayPrecipitation: 5.9inSnow (in): 39inJunPrecipitation: 5.3inSnow (in): 44inJulPrecipitation: 5.7inSnow (in): 51inAugPrecipitation: 6.4inSnow (in): 54inSepPrecipitation: 5.7inSnow (in): 43inOctPrecipitation: 5.9inSnow (in): 41inNovPrecipitation: 5.3inSnow (in): 32inDecPrecipitation: 5.4inSnow (in): 29in
Precipitation
Snow (in)

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

0km/h5km/h10km/h15km/h20km/h25km/hJanFebMarAprMayJunJulAugSepOctNovDecJanWind Speed: 20km/hFebWind Speed: 21km/hMarWind Speed: 21km/hAprWind Speed: 22km/hMayWind Speed: 21km/hJunWind Speed: 20km/hJulWind Speed: 22km/hAugWind Speed: 22km/hSepWind Speed: 21km/hOctWind Speed: 20km/hNovWind Speed: 20km/hDecWind Speed: 19km/h
Wind Speed
0mph5mph10mph15mphJanFebMarAprMayJunJulAugSepOctNovDecJanWind Speed: 13mphFebWind Speed: 13mphMarWind Speed: 13mphAprWind Speed: 13mphMayWind Speed: 13mphJunWind Speed: 12mphJulWind Speed: 14mphAugWind Speed: 14mphSepWind Speed: 13mphOctWind Speed: 12mphNovWind Speed: 12mphDecWind Speed: 12mph
Wind Speed

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.

Month
Min Temperature
Max Temperature
Wind Speed
Precipitation
Snow
Jan
0 °C32 °F
3 °C38 °F
20 km/h13 mph
158 mm6.2 in
66 cm26 in
Feb
1 °C33 °F
3 °C38 °F
21 km/h13 mph
157 mm6.2 in
56 cm22 in
Mar
0 °C32 °F
3 °C37 °F
21 km/h13 mph
182 mm7.2 in
66 cm26 in
Apr
-1 °C29 °F
2 °C35 °F
22 km/h13 mph
171 mm6.7 in
78 cm31 in
May
-4 °C26 °F
-1 °C31 °F
21 km/h13 mph
149 mm5.9 in
99 cm39 in
Jun
-5 °C24 °F
-2 °C29 °F
20 km/h12 mph
135 mm5.3 in
113 cm44 in
Jul
-6 °C22 °F
-3 °C27 °F
22 km/h14 mph
146 mm5.7 in
129 cm51 in
Aug
-5 °C22 °F
-2 °C28 °F
22 km/h14 mph
162 mm6.4 in
138 cm54 in
Sep
-4 °C26 °F
-1 °C31 °F
21 km/h13 mph
144 mm5.7 in
110 cm43 in
OctCurrent
-3 °C27 °F
0 °C32 °F
20 km/h12 mph
149 mm5.9 in
105 cm41 in
Nov
-1 °C30 °F
1 °C35 °F
20 km/h12 mph
134 mm5.3 in
83 cm32 in
Dec
0 °C31 °F
2 °C36 °F
19 km/h12 mph
138 mm5.4 in
74 cm29 in