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Contents
- The climate of Stromness
- The best time to visit Stromness
- The worst time to visit Stromness
- Spring weather in Stromness
- Summer weather in Stromness
- Autumn weather in Stromness
- Winter weather in Stromness
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
The climate of Stromness
Stromness, located in South Georgia and the South Sandwich Islands, experiences a Tundra type of climate according to the Köppen climate classification. This type of climate, labeled as ET, represents a location where vegetation is limited due to the almost permanently frozen ground condition.
In studying the fluctuation throughout the year in the given climate parameters, it becomes apparent that Stromness has a somewhat severe climate, with low temperatures consistently observed. The highest average temperature only reaches up to 3.1°C (37.6°F) in February, while the lowest average plunges to -4.9°C (23.2°F) in August.
Rainfall levels in Stromness stay significant throughout the year, peaking at 114mm (4.49") in April and dropping to the lowest level at 82mm (3.23") in October. The town also experiences an impressive number of rainfall days yearly, with December witnessing the most at 20.5 days and August observing the least at 7.8 days.
The most unique aspect of Stromness's weather patterns is its significant snowfall. The data suggests that the town experiences snowfall throughout most of the year, peaking impressively at a whopping 421mm (16.57") in August.
In studying the fluctuation throughout the year in the given climate parameters, it becomes apparent that Stromness has a somewhat severe climate, with low temperatures consistently observed. The highest average temperature only reaches up to 3.1°C (37.6°F) in February, while the lowest average plunges to -4.9°C (23.2°F) in August.
Rainfall levels in Stromness stay significant throughout the year, peaking at 114mm (4.49") in April and dropping to the lowest level at 82mm (3.23") in October. The town also experiences an impressive number of rainfall days yearly, with December witnessing the most at 20.5 days and August observing the least at 7.8 days.
The most unique aspect of Stromness's weather patterns is its significant snowfall. The data suggests that the town experiences snowfall throughout most of the year, peaking impressively at a whopping 421mm (16.57") in August.
The best time to visit Stromness
Given the distinctive Tundra climate, the optimal time to visit Stromness would be during the warmest months, which are from December to February. During this period, the average high temperatures fluctuate from 1.9°C (35.4°F) to 3.1°C (37.6°F), offering slightly less harsh conditions for visit. These months also record fewer snowy days compared to the rest of the year. The UV index remains at 1 during these months, which is the lowest possible value for this parameter, reducing the risk of harm from the sun's rays.
The worst time to visit Stromness
The periods seeing the most severe weather in Stromness are from May to August. During these months, temperatures can drop to as low as -4.9°C (23.2°F), and snowfall can reach up to 421mm (16.57"). The number of snowfall days also peaks up to 19 days in August, adding to the already challenging weather conditions. These factors create an environment that might be inhospitable for unprepared visitors.
Spring weather in Stromness
In Stromness, spring occurs between September to November. During this period, average high temperatures range from -0.4°C (31.3°F) to 1.2°C (34.2°F), while the lows vary from -3.5°C (25.7°F) to -1.2°C (29.8°F). These months' weather continues to be harsh, with snowfall still notable, ranging from 305mm (12.01") in September to 220mm (8.66") in November.
Summer weather in Stromness
December to February mark the summer period in Stromness. These months record the highest average temperatures, from 1.9°C (35.4°F) in December to 3.1°C (37.6°F) in February. The snowfall during this season drops significantly, compared to the rest of the year, ranging from 184mm (7.24") in December to 208mm (8.19") in February.
Autumn weather in Stromness
The autumn months in Stromness from March to May continue to be chilly, with the highest average of 3°C (37.4°F) in March dropping to 0.2°C (32.4°F) in May. The snowfall continues and starts increasing, with the least being 125mm (4.92") in March and reaching 288mm (11.34") in May.
Winter weather in Stromness
Stromness experiences winter from June to August. These months are the coldest, with the highest average temperatures from -0.4°C (31.3°F) to -1.6°C (29.1°F), and the lowest from -3.5°C (25.7°F) to -4.9°C (23.2°F) respectively. This period also witnesses the peak of snowfall, reaching its highest at 421mm (16.57") in August.
Weather in January
The chilly winds of January set the tone in Stromness, South Georgia and the South Sandwich Islands. Showers are frequent this month, making it a damp start to the year. The sunlight is at a yearly low, making for shorter days and longer nights. Weather in January »
Weather in February
Following January, February continues the trends of cold, wet weather. However, there's a slight shift towards milder weather, including a slight increase in temperature and daylight hours. The snowfall decreases to 171mm (6.73"), providing some respite from the winter chill. Weather in February »
Weather in March
Entering March, the weather in Stromness tends to stay consistent. The city continues experiencing increasing daylight hours, altering the attributes of the late summer. The snowfall lessens to 125mm (4.92"), albeit snow remains a frequent occurrence. Weather in March »
Weather in April
April marks a significant shift in Stromness's weather phenomenon. This mid-autumn month witnesses higher snowfall than the previous month, with a noted increase to an eye-catching 325mm (12.8"). It’s a month painted heavily by snow, with shorter days and decreasing temperatures. Weather in April »
Weather in May
May carries forward the weather trends of April in Stromness. The shrinking daylight is accompanied by plummeting temperature as winter starts to set in. The snowy weather trend continues with snow frequently seen adorning the landscape. Weather in May »
Weather in June
Stromness welcomes June with shorter days and a discernible dip in temperature. The snowfall stays substantial, with clear skies occasionally visible amidst the falling snowflakes. An interesting mix of misty mornings and depending upon cloud cover, brisk, clear evenings are on offer. Weather in June »
Weather in July
July, the coldest month of the year in Stromness, is characterized by biting chill and ample snowfall with 292mm (11.5") average. However, lighter evenings are on the rise as the daylight hours start to extend. Despite the colder weather, the rainfall decreases making it one of the driest months of the year. Weather in July »
Weather in August
August in Stromness marks the transitory phase from winter to spring. This month experiences increased daylight hours, giving the cloudy skies a brighter appearance. With the highest snowfall of 421mm (16.57"), it is a month when the landscape is often painted white. Weather in August »
Weather in September
As September saunters in, the weather in Stromness starts showing signs of thawing. The daylight hours are on a steady rise, leading to slightly warmer temperatures. The snowfall recedes, giving way to rain-soaked days. However, snow can still be a frequent sight around this time. Weather in September »
Weather in October
October brings a notable shift in the weather trends of Stromness. The snowy days become less frequent, making room for rain-filled days. It's a splendid season, with color-charged landscapes and increased daylight. The temperatures begin to climb slowly, and cold winds continue to blow throughout the month. Weather in October »
Weather in November
November bites with a chill in Stromness, but less snowfall and increased rainfall define this month. Rain replaces snow on most days, turning the city into a haven for those who love wet weather. The daylight continues to increase in duration, paving the way for longer, brighter days. Weather in November »
Weather in December
The final month, December, sees a return to snowy conditions in Stromness, with a recorded average of 184mm (7.24") of snowfall. Temperatures dip, presenting the city with an endearing winter ambiance. The rainfall levels tend to increase, signaling frequent showers throughout the month. Weather in December »
[Resources]Frequently asked questions
What is the most humid month in Stromness?
The months with the highest humidity are January and February, with an average relative humidity of 91%.
How much does it rain in Stromness?
Throughout the year, in Stromness, South Georgia and the South Sandwich Islands, there are 168.8 rainfall days, and 1190mm (46.85") of precipitation is accumulated.
When does it snow in Stromness?
January through December are months with snowfall in Stromness.
How much does it snow in Stromness?
In Stromness, during the entire year, snow falls for 193 days and aggregates up to 3130mm (123.23") of snow.
What is the month with the highest UV index in Stromness?
January through December, with an average maximum UV index of 1, are months with the highest UV index in Stromness, South Georgia and the South Sandwich Islands.
What is the month with the lowest UV index in Stromness?
The months with the lowest UV index in Stromness are January through December, with an average maximum UV index of 1.
What is the warmest month in Stromness?
February is the month when Stromness sees the average highest temperatures, with a high of 3.1°C (37.6°F) and a low of 1°C (33.8°F).
When it does not snow in Stromness?
The month with the least snowfall is March, when snow falls for 12.7 days and typically aggregates up to 125mm (4.92") of snow.
What is the wettest month in Stromness?
April is the month with the most rainfall. Rain falls for 16 days and accumulates 114mm (4.49") of precipitation.
What is the month with the shortest days in Stromness?
June has the shortest days of the year in Stromness, with an average of 7h and 24min of daylight.
What is the least humid month in Stromness?
The months with the lowest humidity are July and August, with an average relative humidity of 87%.
What is the coldest time of year in Stromness?
The coldest time of the year in Stromness is August, with temperatures averaging a high of -1.6°C (29.1°F) and a low of -4.9°C (23.2°F).
What is the snowiest month in Stromness?
The month with the most snowfall in Stromness, South Georgia and the South Sandwich Islands, is August, when snow falls for 19 days and typically aggregates up to 421mm (16.57") of snow.
What is the month with the least sunshine in Stromness?
The month with the least sunshine in Stromness, South Georgia and the South Sandwich Islands, is August, with an average of 3h of sunshine.
What is the driest month in Stromness?
October is the month with the least rainfall in Stromness, South Georgia and the South Sandwich Islands. Rain falls for 10.5 days and accumulates 82mm (3.23") of precipitation.
What month has the most sunshine in Stromness?
With an average of 5.8h of sunshine, October has the most sunshine of the year.
When are the longest days in Stromness?
With an average of 17h and 6min of daylight, December has the longest days of the year in Stromness.
Is there Daylight Saving Time (DST) in Stromness?
Stromness does not observe Daylight Saving Time (DST). -02 timezone is used throughout the entire year.
Average temperature
Stromness, South Georgia and the South Sandwich Islands
The warmest month (with the highest average high temperature) is February (3.1°C).
The month with the lowest average high temperature is August (-1.6°C).
The month with the highest average low temperature is February (1°C).
The coldest month (with the lowest average low temperature) is August (-4.9°C).
Average pressure
Stromness, South Georgia and the South Sandwich Islands
- Average pressure in January:
994.4mbar - Average pressure in February:
996.6mbar - Average pressure in March:
999.8mbar - Average pressure in April:
997.8mbar - Average pressure in May:
998.3mbar - Average pressure in June:
996mbar
- Average pressure in July:
999.8mbar - Average pressure in August:
1000.5mbar - Average pressure in September:
1002.1mbar - Average pressure in October:
1000.4mbar - Average pressure in November:
996.9mbar - Average pressure in December:
992.9mbar
The month with the highest atmospheric pressure is September (1002.1mbar).
The month with the lowest atmospheric pressure is December (992.9mbar).
Average wind speed
Stromness, South Georgia and the South Sandwich Islands
- Average wind speed in January:
23.7km/h - Average wind speed in February:
24.2km/h - Average wind speed in March:
24.1km/h - Average wind speed in April:
25.4km/h - Average wind speed in May:
25.5km/h - Average wind speed in June:
23.9km/h
- Average wind speed in July:
25.5km/h - Average wind speed in August:
25.4km/h - Average wind speed in September:
25.7km/h - Average wind speed in October:
25.2km/h - Average wind speed in November:
23.7km/h - Average wind speed in December:
23.5km/h
The windiest month (with the highest average wind speed) is September (25.7km/h).
The calmest month (with the lowest average wind speed) is December (23.5km/h).
Average humidity
Stromness, South Georgia and the South Sandwich Islands
The months with the highest relative humidity are January and February (91%).
The months with the lowest relative humidity are July and August (87%).
Average rainfall
Stromness, South Georgia and the South Sandwich Islands
- Average rainfall in January:
112mm - Average rainfall in February:
104mm - Average rainfall in March:
109mm - Average rainfall in April:
114mm - Average rainfall in May:
102mm - Average rainfall in June:
98mm
The wettest month (with the highest rainfall) is April (114mm).
The driest month (with the least rainfall) is October (82mm).
Average rainfall days
Stromness, South Georgia and the South Sandwich Islands
- Average rainfall days in January:
20.4 days - Average rainfall days in February:
18.7 days - Average rainfall days in March:
20.5 days - Average rainfall days in April:
16 days - Average rainfall days in May:
12.3 days - Average rainfall days in June:
10.9 days
- Average rainfall days in July:
9.5 days - Average rainfall days in August:
7.8 days - Average rainfall days in September:
9.3 days - Average rainfall days in October:
10.5 days - Average rainfall days in November:
15.1 days - Average rainfall days in December:
17.8 days
The month with the highest number of rainy days is March (20.5 days).
The month with the least rainy days is August (7.8 days).
Average snowfall
Stromness, South Georgia and the South Sandwich Islands
- Average snowfall in January:
208mm - Average snowfall in February:
171mm - Average snowfall in March:
125mm - Average snowfall in April:
325mm - Average snowfall in May:
288mm - Average snowfall in June:
313mm
- Average snowfall in July:
292mm - Average snowfall in August:
421mm - Average snowfall in September:
305mm - Average snowfall in October:
278mm - Average snowfall in November:
220mm - Average snowfall in December:
184mm
The month with the highest snowfall is August (421mm).
The month with the least snowfall is March (125mm).
Average snowfall days
Stromness, South Georgia and the South Sandwich Islands
- Average snowfall days in January:
15.7 days - Average snowfall days in February:
11.7 days - Average snowfall days in March:
12.7 days - Average snowfall days in April:
15.7 days - Average snowfall days in May:
18 days - Average snowfall days in June:
18.6 days
- Average snowfall days in July:
18.6 days - Average snowfall days in August:
19 days - Average snowfall days in September:
15.4 days - Average snowfall days in October:
16.5 days - Average snowfall days in November:
14.6 days - Average snowfall days in December:
16.5 days
The month with the highest number of snowfall days is August (19 days).
The month with the least snowfall days is February (11.7 days).
Average daylight / Average sunshine
Stromness, South Georgia and the South Sandwich Islands
- Average daylight in January:
16h and 2min - Average daylight in February:
14h and 4min - Average daylight in March:
12h and 3min - Average daylight in April:
10h and 2min - Average daylight in May:
8h and 2min - Average daylight in June:
7h and 2min
- Average daylight in July:
7h and 5min - Average daylight in August:
9h and 4min - Average daylight in September:
11h and 4min - Average daylight in October:
13h and 5min - Average daylight in November:
15h and 5min - Average daylight in December:
17h and 1min
The month with the longest days is December (Average daylight: 17h and 6min).
The month with the shortest days is June (Average daylight: 7h and 24min).
- Average sunshine in January:
4h and 4min - Average sunshine in February:
5h and 1min - Average sunshine in March:
4h and 2min - Average sunshine in April:
3h and 2min - Average sunshine in May:
3h and 1min - Average sunshine in June:
3h and 1min
- Average sunshine in July:
3h and 2min - Average sunshine in August:
3h and 0min - Average sunshine in September:
4h and 0min - Average sunshine in October:
5h and 5min - Average sunshine in November:
5h and 2min - Average sunshine in December:
5h and 2min
The month with the most sunshine is October (Average sunshine: 5h and 48min).
The month with the least sunshine is August (Average sunshine: 3h and 0min).
Average sunshine days
Stromness, South Georgia and the South Sandwich Islands
- Average sunshine days in January:
1.1 days - Average sunshine days in February:
2.7 days - Average sunshine days in March:
2.8 days - Average sunshine days in April:
2.8 days - Average sunshine days in May:
3.9 days - Average sunshine days in June:
1.9 days
- Average sunshine days in July:
2.9 days - Average sunshine days in August:
2.8 days - Average sunshine days in September:
4 days - Average sunshine days in October:
3.8 days - Average sunshine days in November:
4 days - Average sunshine days in December:
2.2 days
The months with the most sunshine days are September and November (4 days).
The month with the least sunshine days is January (1.1 days).
Average UV index
Stromness, South Georgia and the South Sandwich Islands
The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 1).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 1).
Average cloud cover
Stromness, South Georgia and the South Sandwich Islands
The month with the most cloud cover is January (Cloud cover 73).
The month with the least cloud cover is October (Cloud cover 66).
Average visibility
Stromness, South Georgia and the South Sandwich Islands
The months with the highest visibility are January, February, March, April, May, June, October, November and December (8km).
The months with the lowest visibility are July, August and September (7km).
Stromness, South Georgia and the South Sandwich Islands
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