South Georgia & South Sandwich Islands climate guide

Temperature in South Georgia & South Sandwich Islands (°C)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
7°C maximum daytime temperature in January in South Georgia & South Sandwich Islands (Grytviken)7
8°C maximum daytime temperature in February in South Georgia & South Sandwich Islands (Grytviken)8
7°C maximum daytime temperature in March in South Georgia & South Sandwich Islands (Grytviken)7
4°C maximum daytime temperature in April in South Georgia & South Sandwich Islands (Grytviken)4
2°C maximum daytime temperature in May in South Georgia & South Sandwich Islands (Grytviken)2
1°C maximum daytime temperature in June in South Georgia & South Sandwich Islands (Grytviken)1
0°C maximum daytime temperature in July in South Georgia & South Sandwich Islands (Grytviken)0
1°C maximum daytime temperature in August in South Georgia & South Sandwich Islands (Grytviken)1
2°C maximum daytime temperature in September in South Georgia & South Sandwich Islands (Grytviken)2
4°C maximum daytime temperature in October in South Georgia & South Sandwich Islands (Grytviken)4
5°C maximum daytime temperature in November in South Georgia & South Sandwich Islands (Grytviken)5
6°C maximum daytime temperature in December in South Georgia & South Sandwich Islands (Grytviken)6
Min temperature (night-time)
1°C minimum night-time temperature in January in South Georgia & South Sandwich Islands (Grytviken)1
1°C minimum night-time temperature in February in South Georgia & South Sandwich Islands (Grytviken)1
0°C minimum night-time temperature in March in South Georgia & South Sandwich Islands (Grytviken)0
-1°C minimum night-time temperature in April in South Georgia & South Sandwich Islands (Grytviken)-1
-4°C minimum night-time temperature in May in South Georgia & South Sandwich Islands (Grytviken)-4
-5°C minimum night-time temperature in June in South Georgia & South Sandwich Islands (Grytviken)-5
-6°C minimum night-time temperature in July in South Georgia & South Sandwich Islands (Grytviken)-6
-5°C minimum night-time temperature in August in South Georgia & South Sandwich Islands (Grytviken)-5
-4°C minimum night-time temperature in September in South Georgia & South Sandwich Islands (Grytviken)-4
-2°C minimum night-time temperature in October in South Georgia & South Sandwich Islands (Grytviken)-2
-1°C minimum night-time temperature in November in South Georgia & South Sandwich Islands (Grytviken)-1
0°C minimum night-time temperature in December in South Georgia & South Sandwich Islands (Grytviken)0
Sea temperature
3°C sea temperature in January in South Georgia & South Sandwich Islands (Grytviken)3
3°C sea temperature in February in South Georgia & South Sandwich Islands (Grytviken)3
4°C sea temperature in March in South Georgia & South Sandwich Islands (Grytviken)4
3°C sea temperature in April in South Georgia & South Sandwich Islands (Grytviken)3
2°C sea temperature in May in South Georgia & South Sandwich Islands (Grytviken)2
1°C sea temperature in June in South Georgia & South Sandwich Islands (Grytviken)1
1°C sea temperature in July in South Georgia & South Sandwich Islands (Grytviken)1
0°C sea temperature in August in South Georgia & South Sandwich Islands (Grytviken)0
0°C sea temperature in September in South Georgia & South Sandwich Islands (Grytviken)0
0°C sea temperature in October in South Georgia & South Sandwich Islands (Grytviken)0
1°C sea temperature in November in South Georgia & South Sandwich Islands (Grytviken)1
2°C sea temperature in December in South Georgia & South Sandwich Islands (Grytviken)2

Sunshine & Daylight in South Georgia & South Sandwich Islands

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daily hours of sunshine
Daily hours of daylight
16 hours of daylight per day in January in South Georgia & South Sandwich Islands (Grytviken)16
15 hours of daylight per day in February in South Georgia & South Sandwich Islands (Grytviken)15
12 hours of daylight per day in March in South Georgia & South Sandwich Islands (Grytviken)12
10 hours of daylight per day in April in South Georgia & South Sandwich Islands (Grytviken)10
8 hours of daylight per day in May in South Georgia & South Sandwich Islands (Grytviken)8
7 hours of daylight per day in June in South Georgia & South Sandwich Islands (Grytviken)7
8 hours of daylight per day in July in South Georgia & South Sandwich Islands (Grytviken)8
10 hours of daylight per day in August in South Georgia & South Sandwich Islands (Grytviken)10
12 hours of daylight per day in September in South Georgia & South Sandwich Islands (Grytviken)12
14 hours of daylight per day in October in South Georgia & South Sandwich Islands (Grytviken)14
16 hours of daylight per day in November in South Georgia & South Sandwich Islands (Grytviken)16
17 hours of daylight per day in December in South Georgia & South Sandwich Islands (Grytviken)17

Rainfall in South Georgia & South Sandwich Islands

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Number of days with some rain
17 days with some rainfall in January in South Georgia & South Sandwich Islands (Grytviken)17
16 days with some rainfall in February in South Georgia & South Sandwich Islands (Grytviken)16
18 days with some rainfall in March in South Georgia & South Sandwich Islands (Grytviken)18
19 days with some rainfall in April in South Georgia & South Sandwich Islands (Grytviken)19
18 days with some rainfall in May in South Georgia & South Sandwich Islands (Grytviken)18
16 days with some rainfall in June in South Georgia & South Sandwich Islands (Grytviken)16
17 days with some rainfall in July in South Georgia & South Sandwich Islands (Grytviken)17
15 days with some rainfall in August in South Georgia & South Sandwich Islands (Grytviken)15
18 days with some rainfall in September in South Georgia & South Sandwich Islands (Grytviken)18
18 days with some rainfall in October in South Georgia & South Sandwich Islands (Grytviken)18
17 days with some rainfall in November in South Georgia & South Sandwich Islands (Grytviken)17
16 days with some rainfall in December in South Georgia & South Sandwich Islands (Grytviken)16
Average monthly rainfall (mm)
112 mm monthly rainfall in January in South Georgia & South Sandwich Islands (Grytviken)112
143 mm monthly rainfall in February in South Georgia & South Sandwich Islands (Grytviken)143
155 mm monthly rainfall in March in South Georgia & South Sandwich Islands (Grytviken)155
157 mm monthly rainfall in April in South Georgia & South Sandwich Islands (Grytviken)157
178 mm monthly rainfall in May in South Georgia & South Sandwich Islands (Grytviken)178
148 mm monthly rainfall in June in South Georgia & South Sandwich Islands (Grytviken)148
143 mm monthly rainfall in July in South Georgia & South Sandwich Islands (Grytviken)143
139 mm monthly rainfall in August in South Georgia & South Sandwich Islands (Grytviken)139
138 mm monthly rainfall in September in South Georgia & South Sandwich Islands (Grytviken)138
117 mm monthly rainfall in October in South Georgia & South Sandwich Islands (Grytviken)117
102 mm monthly rainfall in November in South Georgia & South Sandwich Islands (Grytviken)102
90 mm monthly rainfall in December in South Georgia & South Sandwich Islands (Grytviken)90

More climate for South Georgia & South Sandwich Islands

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (Maximum)
UV (maximum) index 7 (High) in January in South Georgia & South Sandwich Islands (Grytviken)7
UV (maximum) index 6 (High) in February in South Georgia & South Sandwich Islands (Grytviken)6
UV (maximum) index 4 (Moderate) in March in South Georgia & South Sandwich Islands (Grytviken)4
UV (maximum) index 2 (Low) in April in South Georgia & South Sandwich Islands (Grytviken)2
UV (maximum) index 1 (Low) in May in South Georgia & South Sandwich Islands (Grytviken)1
No UV (maximum) index in June in South Georgia & South Sandwich Islands (Grytviken)0
No UV (maximum) index in July in South Georgia & South Sandwich Islands (Grytviken)0
UV (maximum) index 1 (Low) in August in South Georgia & South Sandwich Islands (Grytviken)1
UV (maximum) index 2 (Low) in September in South Georgia & South Sandwich Islands (Grytviken)2
UV (maximum) index 5 (Moderate) in October in South Georgia & South Sandwich Islands (Grytviken)5
UV (maximum) index 7 (High) in November in South Georgia & South Sandwich Islands (Grytviken)7
UV (maximum) index 8 (Very High) in December in South Georgia & South Sandwich Islands (Grytviken)8
Heat & Humidity
No heat & humidity in January in South Georgia & South Sandwich Islands (Grytviken)0
No heat & humidity in February in South Georgia & South Sandwich Islands (Grytviken)0
No heat & humidity in March in South Georgia & South Sandwich Islands (Grytviken)0
No heat & humidity in April in South Georgia & South Sandwich Islands (Grytviken)0
No heat & humidity in May in South Georgia & South Sandwich Islands (Grytviken)0
No heat & humidity in June in South Georgia & South Sandwich Islands (Grytviken)0
No heat & humidity in July in South Georgia & South Sandwich Islands (Grytviken)0
No heat & humidity in August in South Georgia & South Sandwich Islands (Grytviken)0
No heat & humidity in September in South Georgia & South Sandwich Islands (Grytviken)0
No heat & humidity in October in South Georgia & South Sandwich Islands (Grytviken)0
No heat & humidity in November in South Georgia & South Sandwich Islands (Grytviken)0
No heat & humidity in December in South Georgia & South Sandwich Islands (Grytviken)0

Note: 0 = None, L = Low, M = Moderate, H = High, VH = Very high, E = Extreme

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The climate guide for South Georgia, South Georgia & South Sandwich Islands shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

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Metric (°C / mm)  |  Imperial (°F / inches)

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South Georgia and South Sandwich Islands climate overview

South Georgia and the South Sandwich Islands lie isolated and exposed in the Southern Atlantic Ocean to the southeast of the Falkland Islands. After their discovery over 300 years ago, the British set up a now-abandoned whaling station on South Georgia. Today, the island's inhabitants consist of just a handful of scientists and massive colonies of penguins and seals, while thousands of albatross circle overhead. The South Sandwich Islands are uninhabited.

South Georgia is mountainous with two ranges, the Allardyce and Salvesen forming the backbone of the island. The northwest is low compared with the southeast where mountains plunge almost vertically into Drygalski Fjord creating spectacular sea cliffs. Over half the mountain peaks, many with jagged pinnacles, are permanently snow-covered, and there are numerous glaciers many of which calf directly into the sea. Vegetation is found only along the coasts where hardy tussock grass, lichen, and mosses cling to survival.

The South Sandwich Islands are a volcanic chain to the south-east of South Georgia. There are 11 main islands, some of which are still volcanically active. All are largely covered in permanent snow and ice with very little vegetation.

The climate is harsh with plenty of cloud and rain. Because of its relatively northerly position and being surrounded by a large ocean, South Georgia escapes the extremes that are experienced further south in Antarctica. The temperature is usually just above or just below freezing. Rain can fall throughout the year, turning to snow during the winter everywhere, and over higher ground during the summer.

The combination of strong westerly winds and cold temperatures makes for a high wind chill although occasional comfortable temperatures are possible during the long summer days. The sea sometimes freezes in sheltered bays in winter. Conditions in the South Sandwich Islands are similar but colder.

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